Takahiro TSUKAHARA - (塚原 隆裕)

Professor, Ph.D. (Eng.)

Affiliation

Department of Mechanical and Aerospace Engineering,
Faculty of Science and Technology,
Tokyo University of Science

Address: Yamazaki 2641, Noda-shi, Chiba 278-8510 Japan
TEL: +81-4-7122-9352
FAX: +81-4-7123-9814



Education and Employment

1980 May Born in Chiba
2003-2005Dept. of Mechanical Engineering, Tokyo University of Science
2005 Mar.M.S. Engineering
2005-2007Dept. of Mechanical Engineering, Tokyo University of Science
2007 Mar.Ph.D. Engineering
2007-2008Postdoctral Fellow, Research Center for the Holistic Computational Science
2008-2013Assistant Professor, Dept. of Mechanical Engineering, Tokyo University of Science
2013-2017Junior Associate Professor, Dept. of Mechanical Engineering, Tokyo University of Science
2017-2022Associate Professor, Dept. of Mechanical Engineering, Tokyo University of Science
2022-2023Professor, Dept. of Mechanical Engineering, Tokyo University of Science
2023- Professor, Dept. of Mechanical and Aerospace Engineering, Tokyo University of Science

2007 Apr. - 2008 Mar.Visiting Researcher, Linné Flow Center, Royal Institute of Technology (KTH), Stockholm, Sweden
2011 May - 2012 Mar.Visiting Researcher, Center of Smart Interfaces, Darmstadt University of Technology (TUD), Darmstadt, Germany

Awards and Fellowships

2003 Mar.Hatakeyama Award (Distinguished Student),
The Japan Society of Mechanical Engineers
2005 Mar.Miura Award (Distinguished Master Student),
The Japan Society of Mechanical Engineers
2005 May Best Presentation Award
The Heat Transfer Society of Japan
2006-2008Research Fellowship for Young Scientists,
Japan Society for the Promotion of Science
2007 May Young Scientist Award of the Heat Transfer Society of Japan
2009 Nov.Fluids Engineering Excellent Presentation Certificate of Merit
Fluids Engineering Division, the Japan Society of Mechanical Engineers
2010 Jan.Best Presentation Award
The Japan Society of Civil Engineers
2012 Apr.Young Scientist Award of the Japan Society of Mechanical Engineers
2015 Jun.Poster Award of 12th Meeting of Research Report Results, Research Fund of TUS
2016 Jun.Excellent Award of 13th Meeting of Research Report Results, Research Fund of TUS
2016 Nov.Fluids Engineering Contribution Certificate of Merit,
Fluids Engineering Division, the Japan Society of Mechanical Engineers
2018 Jul.The JACM Young Investigator Award, Japan Association for Computational Mechanics
2019 Jul.Outstanding Paper Award, HEFAT2019.
2020 Jun.Scientific Contribution Award of the Heat Transfer Society of Japan
2021 May Scientific Contribution Award of the Heat Transfer Society of Japan


Research

  • Wall-bounded turbulent/transitional flow, incl. turbulent heat trasnfer [by DNS & Exp.]
  • Drag-reduced turbulence of non-Newtonian fluid, incl. turbulent heat trasnfer [by DNS]
  • Turbulence modeling of drag-reducing viscoelastic-fluid flows [collaborated with TU Darmstadt]
  • Control of wind-blown sand movements on a sand dune [by Exp.]
  • Transition in rotating plane Couette flow [by DNS & Exp., collaborated with KTH]
  • Numerical simulation of fluid flow in rock fractures [collaborated with Kyoto Univ.]
  • Blood flow in stented left main coronary artery bifurcation [collaborated with New Tokyo Hospital]


Publications

Journal Papers
  1. T. Tsukahara, T. Ishigami, and M. Irikura,
    "Deep learning estimation of scalar source distance for different turbulent and molecular diffusion environments,"
    Journal of Fluid Science and Technology, Vol. 19, Issue 2 (2024), JFST0020.
    [Online Journal (Open Access)]

  2. K. Nakagawa, T. Ishida, and T. Tsukahara,
    "Effects of freestream turbulence on the secondary instability of the roughness-induced crossflow vortex in swept flat plate boundary layers,"
    International Journal of Heat and Fluid Flow, Vol. 102 (2023), 109161.
    [Online Journal (Open Access)]

  3. T. Homma, T. Yamashita, R. Wada, K. Kawazu, K. Kurose, T. Tsukahara, and I. Ueno,
    "Multicellular structures in thin free liquid films induced by thermocapillary effect,"
    Journal of Colloid and Interface Science, Vol. 641 (2023), 187-196.
    [Online Journal]

  4. S. Hara, K. Watanabe, Y. Kaiho, T. Tsukahara, and Y. Kawaguchi,
    "Dissimilar turbulent momentum and heat transfer associated with viscoelastic vibration in channel flow,"
    International Journal of Heat and Mass Transfer, Vol. 207 (2023), 123991.
    [Online Journal]

  5. K. Nakagawa, T. Tsukahara, and T. Ishida,
    "DNS study on turbulent transition induced by an interaction between freestream turbulence and cylindrical roughness in swept flat-plate boundary layer,"
    Aerospace, Vol. 10, Issue 2 (2023), 128.
    [Online Journal (Open Access)]

  6. T. Ishigami, M. Irikura, and T. Tsukahara,
    "Applicability of convolutional neural network for estimation of turbulent diffusion distance from source point,"
    Processes, Vol. 10, Issue 12 (2022), 2545.
    [Online Journal (Open Access)]

  7. T. Ishida, K. Ohira, R. Hosoi, N. Tokugawa, and T. Tsukahara,
    "Numerical and experimental analysis of three-dimensional boundary-layer transition induced by isolated cylindrical roughness elements,"
    International Journal of Aeronautical & Space Sciences, Vol. 23, Issue 4 (2022), 649-659.
    [Online Journal (Open Access)]

  8. K. Kohyama, M. Sano, and T. Tsukahara,
    "Sidewall effect on turbulent band in subcritical transition of high-aspect-ratio duct flow,"
    Physics of Fluids, Vol. 34 (2022), 084112.
    [Online Journal (Open Access)]

  9. T. Kawata and T. Tsukahara,
    "Spectral analysis on dissimilarity between turbulent momentum and heat transfers in plane Couette turbulence,"
    Physics of Fluids, Vol. 34 (2022), 075135.
    [Online Journal (Open Access) / Kudos]

  10. Y. Matsukawa and T. Tsukahara,
    "Subcritical transition of Taylor-Couette-Poiseuille flow at high radius ratio"
    Physics of Fluids, Vol. 34 (2022), 074109.
    [Online Journal (Open Access)]

  11. T. Kawata and T. Tsukahara,
    "Spectral analysis on transport budgets of turbulent heat fluxes in plane Couette turbulence,"
    Energies, Vol. 15, Issue 14 (2022), 5258.
    [Online Journal (Open Access)]

  12. T. Nimura and T. Tsukahara,
    "Viscoelasticity-induced instability in plane Couette flow at very low Reynolds number,"
    Fluids, Vol. 7, Issue 7 (2022), 241.
    [Online Journal (Open Access)]

  13. T. Ishigami, M. Irikura, and T. Tsukahara,
    "Machine learning to estimate the mass-diffusion distance from a point source under turbulent conditions,"
    Processes, Vol. 10, Issue 5 (2022), 860.
    [Online Journal (Open Access)] [Selected as an Editor's Choice article]

  14. T. Ishida, T. Tsukahara, and N. Tokugawa,
    "Parameter effects of spanwise-arrayed cylindrical roughness elements on transition in the Falkner-Skan-Cooke boundary layer,"
    Transactions of the Japan Society for Aeronautical and Space Sciences, Vol. 65, No. 2 (2022), 84-94.
    [Online Journal (Open Access)]

  15. T. Hosoya, Y. Kametani, T. Osawa, T. Tsukahara, and Y. Hasegawa,
    "Estimation of flow around a cylinder in a duct based on plane measurement by four-dimensional variational approach,"
    Seisan Kenkyu, Vol. 73, No. 1 (2014), 77-81. (in Japanese)
    [Online Journal]

  16. T. Kawata and T. Tsukahara,
    "Scale interactions in turbulent plane Couette flows in minimal domains,"
    Journal of Fluid Mechanics, Vol. 911 (2021), A55.
    [Online Journal (Open Access)]

  17. S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Turbulent transport dissimilarity with modulated turbulence structure in channel flow of viscoelastic fluid,"
    International Journal Heat and Fluid Flow, Vol. 86 (2020), 108739.
    [Online Journal]

  18. H. Morimatsu and T. Tsukahara,
    "Laminar-turbulent intermittency in annular Couette-Poiseuille flow: Whether a puff splits or not,"
    Entropy, Vol. 22, Issue 12 (2020), 1353.
    [Online Journal (Open Access)]

  19. K. Takeda, Y. Duguet, and T. Tsukahara,
    "Intermittency and critical scaling in annular Couette flow,"
    Entropy, Vol. 22, Issue 9 (2020), 988.
    [Online Journal (Open Access)]

  20. S. Fujimura, K. Yamamoto, M. Motosuke, and T. Tsukahara,
    "Numerical study of thermocapillary-driven flow of a micro bubble on locally heated wall,"
    Heat Transfer Research, Vol. 51, No. 12 (2020), 1087-1104.
    [Online Journal]

  21. H. Nakamura, V. Delafosse, G. F. Dietze, H. N. Yoshikawa, F. Zoueshtiagh, L. Mu, T. Tsukahara, and I. Ueno,
    "Enhancement of meniscus pump by multiple particles,"
    Langmuir, Vol. 36, No. 16 (2020), 4447-4453.
    [Online Journal]

  22. T. Fukuda and T. Tsukahara,
    "Heat transfer of transitional regime with helical turbulence in annular flow,"
    International Journal of Heat and Fluid Flow, Vol. 82 (2020), 108555.
    [Online Journal (Open Access)]

  23. H. Nakamura, T. Ogawa, M. Inoue, T. Hori, L. Mu, H. N. Yoshikawa, F. Zoueshtiagh, G. F. Dietze, T. Tsukahara, and I. Ueno,
    "Pumping effect of heterogeneous meniscus formed around spherical particle,"
    Journal of Colloid and Interface Science, Vol. 562 (2019), 133-141.
    [Online Journal]

  24. K. Kunii, T. Ishida, Y. Duguet, and T. Tsukahara,
    "Laminar-turbulent coexistence in annular Couette flow,"
    Journal of Fluid Mechanics, Vol. 879 (2019), 579-603.
    [Online Journal / arXiv]

  25. K. Nitta and T. Tsukahara,
    "Numerical demonstration of in-tube liquid-column migration driven by photoisomerization,"
    Micromachines, Vol. 9, No. 10 (2018), 533.
    [Online Journal (Open Access)]

  26. T. Tsukahara, T. Tomioka, T. Ishida, Y. Duguet, and G. Brethouwer,
    "Transverse turbulent bands in rough plane Couette flow,"
    Journal of Fluid Science and Technology, Vol. 13, Issue 3 (2018), JFST0019.
    [Online Journal (Open Access)]

  27. T. Nimura, T. Kawata, and T. Tsukahara,
    "Viscoelasticity-induced pulsatile motion of 2D roll cell in laminar wall-bounded shear flow,"
    International Journal of Heat and Fluid Flow, Vol. 74 (2018), 65-75.
    [Online Journal / arXiv]

  28. T. Nimura, T. Kawata, and T. Tsukahara,
    "Viscoelastic effect on steady wavy roll cells in wall-bounded shear flow,"
    Fluid Dynamics Research, Vol. 50, No. 5 (2018), 051414.
    [Online Journal / arXiv]

  29. K. Fukudome, T. Tsukahara, and Y. Ogami,
    "Heat and momentum transfer of turbulent stripe in transitional-regime plane Couette flow,"
    International Journal of Advances in Engineering Sciences and Applied Mathematics, Vol. 10, Issue 4 (2018), 291-298.
    [Online Journal]

  30. R. Tanaka, T. Kawata, and T. Tsukahara,
    "DNS of Taylor-Couette flow between counter-rotating cylinders at small radius ratio,"
    International Journal of Advances in Engineering Sciences and Applied Mathematics, Vol. 10, Issue 2 (2018), 159-170.
    [Online Journal / arXiv]

  31. S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Experimental investigation of streamwise velocity fluctuation based on the Reynolds-number dependency in turbulent viscoelastic-fluid flow,"
    International Journal of Heat and Fluid Flow, Vol. 68 (2017), 281-289.
    [Online Journal]

  32. D. Kondo, L. Mu, F. de Miollis, T. Ogawa, M. Inoue, T. Kaneko, T. Tsukahara, H.N. Yoshikawa, F. Zoueshtiagh, and I. Ueno,
    "Acceleration of the macroscopic contact line of a droplet spreading on a substrate after interaction with a particle,"
    International Journal of Microgravity Science and Application, Vol. 34, No. 4 (2017), 340405.
    [Online Journal (Open Access)]

  33. T. Ishida, Y. Duguet, T. Tsukahara,
    "Turbulent bifurcations in intermittent shear flows: from puffs to oblique stripes,"
    Physical Review Fluids, Vol. 2 (2017), 073902.
    [Online Journal / arXiv]

  34. T. Ishida, G. Brethouwer, Y. Duguet, T. Tsukahara,
    "Laminar-turbulent patterns with rough walls,"
    Physical Review Fluids, Vol. 2 (2017), 073901.
    [Online Journal]

  35. N. Kazuno, T. Tsukahara, M. Motosuke,
    "Laplace pressure versus Marangoni convection in photothermal manipulation of micro droplet,"
    The European Physical Journal Special Topics, Vol. 226, No. 6 (2017), 1337-1348.
    [Online Journal (Open Access)]

  36. S. Hara, R. Ii, T. Tsukahara, and Y. Kawaguchi,
    "Analysis of an organized turbulent structure using a pattern recognition technique in a drag-reducing surfactant solution flow,"
    International Journal of Heat and Fluid Flow, Vol. 63, (2017), 56-66.
    [Online Journal]

  37. Y. Fujino, G.F. Attizzani, S. Tahara, T. Naganuma, K. Takagi, H. Yabushita, W. Wang, K. Tanaka, T. Matsumoto, H. Kawamoto, Y. Yamada, S. Amano, Y. Watanabe, T. Warisawa, T. Sato, S. Mitomo, N. Kurita, H. Ishiguro, K. Hozawa, T. Tsukahara, M. Motosuke, H. G. Bezerra, S. Nakamura, and S. Nakamura,
    "Difference in vascular response between sirolimus-eluting- and everolimus-eluting stents in ostial left circumflex artery after unprotected left main as observed by optical coherence tomography,"
    International Journal of Cardiology, Vol. 230 (2017), 284-292.
    [Online Journal]

  38. T. Ishida and T. Tsukahara,
    "Friction factor of annular Poiseuille flow in a transitional regime,"
    Advances in Mechanical Engineering, Vol. 9, No. 1 (2017), DOI: 10.1177/1687814016683358 (10 pages).
    [Online Journal]

  39. M. Endo, Q.-Q. Shao, T. Tsukahara, and Y. Kawaguchi,
    "Analysis of high concentration spikes appearing in mass plume in nearly homogeneous turbulent flow based on the PDF transport equation,"
    Open Journal of Fluid Dynamics, Vol. 6, No. 4 (2016), 472-495.
    [Online Journal (Open Access)]

  40. Q.-Q. Shao, T. Tsukahara, and Y. Kawaguchi,
    "Study on the shear effect on dye patches diffused in wall-bounded shear flow,"
    Open Journal of Fluid Dynamics, Vol. 6, No. 4 (2016), 438-452.
    [Online Journal (Open Access)]

  41. M. Endo, Q.-Q. Shao, T. Tsukahara, and Y. Kawaguchi,
    "Diffusion process of high concentration spikes in a quasi-homogeneous turbulent flow,"
    Open Journal of Fluid Dynamics, Vol. 6, No. 4 (2016), 371-390.
    [Online Journal (Open Access)]

  42. Q.-Q. Shao, D. Sekine, T. Tsukahara, and Y. Kawaguchi,
    "Inverse source locating method based on graphical analysis of dye plume images in a turbulent flow,"
    Open Journal of Fluid Dynamics, Vol. 6, No. 4 (2016), 343-360.
    [Online Journal (Open Access)]

  43. D. Cerizza, W. Sekiguchi, T. Tsukahara, T.A. Zaki, and Y. Hasegawa,
    "Reconstruction of scalar source intensity based on sensor signal in turbulent channel flow,"
    Flow, Turbulence and Combustion, Vol. 97 (2016), 1211-1233.
    [Online Journal / SN ShareIt (Open Access)]

  44. T. Tsukahara, S. Hara, S. Kawada, and Y. Kawaguchi,
    "Experimental study on functionality of surfactant solution in turbulent heat transfer by varying local shear rate,"
    International Journal of Heat and Mass Transfer, Vol. 102 (2016), 360-368.
    [Online Journal]

  45. T. Tsukahara, K. Oyagi, and Y. Kawaguchi,
    "Estimation method to identify scalar point source in turbulent flow based on Taylor's diffusion theory,"
    Environmental Fluid Mechanics, Vol. 16, No. 3 (2016), 521-537.
    [Online Journal / SN ShareIt (Open Access)]

  46. T. Ishida, Y. Duguet, and T. Tsukahara,
    "Transitional structures in annular Poiseuille flow depending on radius ratio,"
    Journal of Fluid Mechanics, Vol. 794 (2016), R2 (11 pages).
    [Online Journal]

  47. Z. Fu, Y. Iwaki, M. Motozawa, T. Tsukahara, and Y. Kawaguchi,
    "Characteristic turbulent structure of a modified drag-reduced surfactant solution flow via dosing water from channel wall,"
    International Journal of Heat and Fluid Flow, Vol. 53 (2015), 135-145.
    [Online Journal]

  48. T. Ishida, T. Tsukahara, and Y. Kawaguchi,
    "Effects of spanwise system rotation on turbulent stripe in plane Poiseuille flow,"
    Journal of Turbulence, Vol. 16, No. 3 (2015), 273-289.
    [Online Journal]

  49. H. Ichikawa, T. Tsukahara, K. Iwamoto, Y. Kawaguchi,
    "Visualization study and determination of measurable range of an ultrasonic vortex flowmeter for gas-liquid two-phase flow,"
    Transactions of the Society of Instrument and Control Engineers, Vol. 50, No. 10 (2014), 703-711. (in Japanese)
    [Online Journal]

  50. H. Ichikawa, K. Iwamoto, T. Tsukahara, Y. Kawaguchi,
    "Denoising Signal Processing and Diameter Effect on Ultrasonic-vortex-flowmeter Measurement of a Bubble-laden Flow,"
    Transactions of the Society of Instrument and Control Engineers, Vol. 50, No. 5 (2014), 404-410. (in Japanese)
    [Online Journal]

  51. T. Ishida, T. Tsukahara, and Y. Kawaguchi,
    "Large-scale structure alternation in rotating plane Poiseuille flow at transitional Reynolds number,"
    Applied Thermal Engineering, Vol. 72, No. 1 (2014), 70-81.
    [Online Journal]

  52. T. Tsukahara, M. Tanabe, and Y. Kawaguchi,
    "Effect of fluid viscoelasticity on turbulence and large-scale vortices behind wall-mounted plates,"
    Advances in Mechanical Engineering, Vol. 2014 (2014), Article ID 823138 (12 pages).
    [Online Journal (Open Access)]

  53. T. Tsukahara, T. Kawase, and Y. Kawaguchi,
    "Heat transfer in a viscoelastic orifice flow at low to moderate Reynolds numbers,"
    Computational Thermal Sciences, Vol. 6, No. 1 (2014), 79-90.
    [Online Journal]

  54. T. Tsukahara and Y. Kawaguchi,
    "Proposal of damping function for low-Reynolds-number k-ε model applicable in prediction of turbulent viscoelastic-fluid flow,"
    Journal of Applied Mathematics, Vol. 2013 (2013), Article ID 197628 (15 pages).
    [Online Journal]

  55. H. Ichikawa, T. Tsukahara, Y. Kawaguchi, H. Kawamura,
    "Character of the ultrasonic reflection and suggestion of the countermeasure for gas-liquid two-phase flow in vortex flowmeter,"
    Transactions of the Society of Instrument and Control Engineers, Vol. 49, No. 6 (2013), 612-618. (in Japanese)
    [Online Journal]

  56. T. Tsukahara, M. Motozawa, D. Tsurumi, and Y. Kawaguchi,
    "PIV and DNS analyses of viscoelastic turbulent flows behind a rectangular orifice,"
    International Journal of Heat and Fluid Flow, Vol. 41 (2013), 66-79.
    [Online Journal

  57. T. Tsukahara, M. Ishikawa, and Y. Kawaguchi,
    "DNS study of the turbulent Taylor-vortex flow on a ribbed inner cylinder,"
    Advances in Mechanical Engineering, Vol. 2013 (2013), Article ID 628490 (12 pages).
    [Online Journal (Open Access)]

  58. T. Tsukahara, T. Kawase, and Y. Kawaguchi,
    "DNS on turbulent heat transfer of viscoelastic fluid flow in a plane channel with transverse rectangular orifices,"
    Progress in Computational Fluid Dynamics, An International Journal, Vol. 13, Nos. 3/4 (2013), 212-223,
    [Online Journal / Preprint (PDF, 1.2MB)]

  59. X. Wu, N. Washio, H. Aida, T. Tsukahara, Y. Kawaguchi, and B. Yu,
    "PIV study on intermittent flow structure in Poiseuille channel flow at transitional Reynolds number,"
    Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University, Vol. 47, No. 1 (2013), 101-106. (in Chinese)

  60. T. Tsukahara, Y. Sakamoto, D. Aoshima, M. Yamamoto, and Y. Kawaguchi,
    "Visualization and laser measurements on the flow field and sand movement on sand dunes with porous fences,"
    Experiments in Fluids, Vol. 52, No. 4 (2012), 877-890.
    [Online Journal]

  61. T. Tsukahara and Y. Kawaguchi,
    "Comparison of heat-transfer reduction in drag-reduced turbulent channel flows with different fluid and thermal boundary conditions,"
    Progress in Computational Fluid Dynamics, An International Journal, Vol. 11, Nos. 3/4 (2011), 215-225.
    [Online Journal / Preprint (PDF, 349KB)]

  62. T. Tsukahara, T. Kawase, and Y. Kawaguchi,
    "DNS of viscoelastic turbulent channel flow with rectangular orifice at low Reynolds number,"
    International Journal of Heat and Fluid Flow, Vol. 32 (2011), 529-538.
    [Online Journal / Preprint (PDF, 716KB)]

  63. T. Tsukahara, T. Ishigami, B. Yu, and Y. Kawaguchi,
    "DNS study on viscoelastic effect in drag-reduced turbulent channel flow,"
    Journal of Turbulence, Vol. 12 (2011), N13 (25 pages).
    [Online Journal / Preprint (PDF, 588KB)]

  64. T. Tsukahara, N. Tillmark, and P.H. Alfredsson,
    "Flow regimes in a plane Couette flow with system rotation,"
    Journal of Fluid Mechanics, Vol. 648 (2010), 5-33.
    [Online Journal / Preprint (PDF, 6.2MB)] [Seleted as a Focus on Fluids article]

  65. T. Koyama, T. Tsukahara, T. Matsumoto, Y. Jiang, and B. Li,
    "Numerical simulation of laboratory coupled shear-flow tests for rock fractures,"
    Journal of the Society of Materials Science, Japan, Vol. 59, No. 3 (2010), 205-210. (in Japanese)
    [Online Journal]

  66. T. Tsukahara,K. Iwamoto,H. Kawamura,
    "On the large-scale structure of turbulent heat transfer in a plane Couette flow,"
    Thermal Science & Engineering, Vol. 15, No. 3 (2007), 151-162. (in Japanese)
    [Online Journal]

  67. T. Tsukahara, H. Kawamura, and K. Shingai,
    "DNS of turbulent Couette flow with emphasis on the large-scale structure in the core region,"
    Journal of Turbulence, Vol. 7 (2006), N19 (16 pages).
    [Online Journal]

  68. T. Tsukahara and H. Kawamura,
    "Stretching rate of material lines in turbulent channel flow,"
    Nagare, Vol. 24, No. 6 (2005), 609-618. (in Japanese)
    [Online Journal]

  69. T. Tsukahara, S. Hane, and H. Kawamura,
    "DNS of turbulent heat transfer in plane Couette flow with emphasis on the large-scale structure,"
    Thermal Science & Engineering, Vol. 13, No. 4 (2005), 81-82.


Reviews
  1. T. Tsukahara,
    "Deep learning for viscoelastic fluids and turbulent diffusion,"
    JSME Fluids Engineering Division Newsletter, 2022.11 (2022).
    [Online Page (Open Access)]

  2. T. Tsukahara, Y. Kawaguchi,
    "CNN image recognition for source estimation of turbulent mass diffusion",
    Nagare, Vol. 38, No. 5 (2019), 337-342. (in Japanese)
    [Online Journal]

  3. K. Fukagata, M. Yamamoto, K. Iwamoto, Y. Hasegawa, T. Tsukahara, N. Fukushima, H. Mamori, Y. Aoki,
    "Toward construction of feature extraction method for turbulence using machine learning",
    Nagare, Vol. 37, No. 6 (2018), 524-527. (in Japanese)
    [Online Journal]

  4. K. Kunii, T. Ishida, T. Tsukahara,
    "Effects of wall curvature on localized turbulent structures and statistics in transitional sliding Couette flow,"
    Nagare, Vol. 35, No. 6 (2016), 475-480. (in Japanese)
    [Online Journal]

  5. Y. Kawaguchi, T. Tsukahara,
    "Turbulence and convective heat transfer in flow of surfactant solution,"
    Journal of the Heat Transfer Society of Japan, Vol. 55, No. 231 (2016), 9-14. (in Japanese)
    [Online Journal]

  6. T. Tsukahara, T. Ishida,
    "Lower bound of subcritical transition in plane Poiseuille flow,"
    Nagare, Vol. 34, No. 6 (2015), 383-386. (in Japanese)
    [Online Journal]

  7. S. Hara, R. Ii, T. Tsukahara, Y. Kawaguchi,
    "Consideration for turbulence energy spectrum in drag-reducing flow with surfactant additive,"
    Nagare, Vol. 33, No. 6 (2014), 531-538. (in Japanese)
    [Online Journal]

  8. Y. Kawaguchi, T. Tsukahara, M. Motozawa,
    "Turbulent eddy structures appearing in viscoelastic fluids,"
    Transactions of the Japan Society of Mechanical Engineers, Vol. 79, No. 808 (2013), 2660-2669. (in Japanese)
    [Online Journal (Open Access)]


Invited Talks
  1. T. Tsukahara,
    "Deep learning estimation of scalar source in turbulence,"
    AJKFED2023 (The ASME-JSME-KSME Joint Fluids Engineering Conference), Osaka, Japan, July 9-13 (2023).

  2. T. Tsukahara,
    "Photoactivated capillary flow for advanced droplet manipulation: a numerical study,"
    8th Annual Conference of AnalytiX-2023, Osaka, Japan, May 17-19 (2023).

  3. T. Tsukahara,
    "Subcritical transitions of channel flows: Patterning of localized turbulence,"
    IISc-TUS Joint Webinar,
    Online, Jun. 9 (2022).

  4. T. Tsukahara,
    "Direct numerical simulation of subcritical wall turbulence using very large aspect-ratio domain,"
    32nd Workshop on Sustained Simulation Performance (WSSP32),
    Online, Dec. 13-14 (2021).

  5. T. Tsukahara,
    "Scalar-source estimation of turbulent mass diffusion using machine learning,"
    The 8th International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2021),
    Qingdao, China, Sep. 27-28 (2021).

  6. T. Tsukahara,
    "Scalar-source estimation of turbulent mass diffusion using machine learning,"
    IISc-TUS Joint Workshop in Data Sciences,
    Online, May. 20 (2021).

  7. T. Tsukahara,
    "Deep convolutional neural network for scalar-source estimation in turbulent flow,"
    US-Japan Workshop on Bridging Fluid Mechanics and Data Science,
    Morito Memorial Hall, Tokyo University of Science, Tokyo, Japan, Mar. 26-28 (2018).

  8. T. Tsukahara,
    "Viscoelastic effects on roll cells in wall-bounded shear flow: Toward clarifications of DR and EIT,"
    Mini-Symposium: Dynamics of Viscoelastic and Inertioelastic Flows,
    OIST, Okinawa, Japan, Jan. 18-20 (2018).

  9. T. Tsukahara,
    "Photo-induced flows relevant to laser-based droplet manipulations,"
    8th International Conference and Exhibition on Lasers, Optics & Photonics (Optics2017),
    Las Vegas, USA, Nov. 15-17 (2017).

  10. T. Tsukahara, T. Ishida,
    "Subcritical transition in annular Poiseuille flow,"
    The 5th International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2016),
    XJTU, Xi'an, China, Dec. 9-10 (2016).

  11. N. Kazuno, M. Motosuke, T. Tsukahara,
    "DNS study of Marangoni-driven droplet motion in photothermal manipulation,"
    The 4th International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2016),
    TUS, Chiba, Japan, Aug. 8 (2016).

  12. T. Tsukahara
    "Laminar-turbulent pattern in annular/plane channel flows,"
    International Symposium on Near-Wall Flows: Transition and Turbulence (RIMS International Project Research 2016: Fluid Dynamics of Near-Wall Turbulence),
    Kyoto University, Kyoto, Japan, Jun. 20-22 (2016).

  13. T. Tsukahara, Y. Kawaguchi
    "Elasto-inertial turbulence in subcritical regime of wall-bounded flows,"
    The 3rd International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2015),
    XJTU, Xi'an, China, Dec. 6-8 (2015).

  14. T. Tsukahara,
    "Viscoelastic and elasto-inertial turbulence in roughened/smooth channel flow,"
    KTH Mechanics Seminars,
    KTH, Stockholm, Sweden, Sep. 22 (2014).

  15. T. Tsukahara,
    "On the transition to/from turbulence in channel flows,"
    KTH Mechanics Seminars,
    KTH, Stockholm, Sweden, Mar. 8 (2012).

  16. T. Tsukahara,
    "On the transition to/from turbulence in channel flows,"
    France-Japan Sakura Program Seminar on Turbulent Transition,
    ENSTA, Paris, Frace, Feb. 29 (2012).

  17. T. Tsukahara,
    "On the transition to/from turbulence in channel flows,"
    Turbulence Seminars,
    Philipps-Universität Marburg, Marburg, Germany, Jan. 31 (2012).

  18. T. Tsukahara,
    "Transitional structure in plane Poiseuille/Couette flow,"
    Turbulence Seminars,
    Department of Aeronautics, Imperial College London, UK, Nov. 4 (2011).

  19. T. Tsukahara,
    "Numerical study on viscoelastic turbulent flow exhibiting drag reduction,"
    Seminar in the Collaborative Research Centre 568, Darmstadt University of Technology,
    TU-Darmstadt/Lichtwiese, Darmstadt, Germany, Jun. 6 (2011).

  20. T. Tsukahara,
    "Transition to/from turbulence in subcritical flows between two infinite parallel plates,"
    In: Proceedings of Korea-Japan CFD Workshop 2010,
    POSCO International Center, Pohang, Korea, Nov. 19 (2010), pp. 296-306.


Proceedings (with Peer Review)
  1. S. Okazaki, K. Nakagawa, T. Ishida, and T. Tsukahara,
    "Numerical study on development of a turbulent spot in the swept-flat-plate three-dimensional boundary layer,"
    In: Proceedings of the 2022 Asia-Pacific International Symposium on Aerospace Technology (APISAT2022),
    Niigata, Japan, (Hybrid Event), Octy. 12-14 (2022), S46-5 (5 pages).

  2. J. Hiraga, K. Nakagawa, T. Ishida, and T. Tsukahara,
    "Effect of distributed roughness on turbulent transition in the three-dimensional boundary layer,"
    In: Proceedings of the 2022 Asia-Pacific International Symposium on Aerospace Technology (APISAT2022),
    Niigata, Japan, (Hybrid Event), Oct. 12-14 (2022), S46-4 (4 pages).

  3. S. Shinkai, K. Nakagawa, T. Ishida, and T. Tsukahara,
    "Direct numerical simulation of turbulent transition in swept-flat-plate boundary layer over a cavity,"
    In: Proceedings of the 2022 Asia-Pacific International Symposium on Aerospace Technology (APISAT2022),
    Niigata, Japan, (Hybrid Event), Oct. 12-14 (2022), S46-3 (6 pages).

  4. R. Hosoi, T. Ishida, N. Tokugawa, and T. Tsukahara,
    "Experimental study on the variation of transition point in a swept flat plate boundary layer with cylindrical roughness elements,"
    In: Proceedings of the 2022 Asia-Pacific International Symposium on Aerospace Technology (APISAT2022),
    Niigata, Japan, (Hybrid Event), Oct. 12-14 (2022), S46-2 (5 pages).

  5. K. Nakagawa, T. Ishida, and T. Tsukahara,
    "Transition process of crossflow vortices due to the cylindrical roughness and cavity in the three-dimensional boundary layer,"
    In: Proceedings of the 2022 Asia-Pacific International Symposium on Aerospace Technology (APISAT2022),
    Niigata, Japan, (Hybrid Event), Oct. 12-14 (2022), S46-1 (6 pages).

  6. K. Yatsushiro, Y. Horimoto, and T. Tsukahara,
    "Visualization of intermittent turbulent structure in eccentric annular pipe flow,"
    In: Proceedings of the 13th Pacific Symposium on Flow Visualization and Image Processing (PSFVIP13),
    Tokyo, Japan, (Hybrid Event), Aug. 7-10 (2022), 7 (5 pages).

  7. T. Ishida, K. Ohira, R. Hosoi, N. Tokugawa, and T. Tsukahara,
    "Numerical and experimental study on three-dimensional boundary layer transition induced by the isolated cylindrical roughness elements,"
    In: Proceedings of the 12th Asia-Pacific International Symposium on Aerospace Technology (APISAT2021),
    Jeju, South Korea, (Hybrid Event), Nov. 15-17 (2021), I1-3 P00152 (10 pages).

  8. R. Sakakibara, T. Nimura, T. Tsukahara, and T. Ishida,
    "Critical roughness heights of turbulent transition on a swept laminar-flow wing,"
    In: Proceedings of AIAA Scitech 2021 Forum,
    (Virtual Event), Jan. 11-15 & 19-21 (2021), AIAA 2021-1854 (11 pages).
    [Online Proceedings]

  9. T. Kawata and T. Tsukahara,
    "Numerical investigation on scale-by-scale Reynolds stress transport in plane Couette turbulence,"
    In: Proceedings of the 11th International Symposium on Turbulence and Shear Flow Phenomena (TSFP11),
    Southampton, UK, Jul. 30 - Aug. 2 (2019), (6 pages).
    [Online Proceedings]

  10. S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Simultaneous measurement of turbulent momentum and mass fluxes in channel flow of viscoelastic fluid,"
    In: Proceedings of the 11th International Symposium on Turbulence and Shear Flow Phenomena (TSFP11),
    Southampton, UK, Jul. 30 - Aug. 2 (2019), (6 pages).
    [Online Proceedings]

  11. A. Nagamachi and T. Tsukahara,
    "Predictability study of viscoelastic turbulent channel flow using deep learning,"
    In: Proceedings of the ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference (AJKFluids2019),
    San Francisco, CA, Jul. 28 - Aug. 1 (2019), AJKFLUIDS2019-5261 (6 pages).

  12. K. Fujimoto, T. Tsukahara, K. Yamamoto, M. Motosuke, H. Kawamoto, S. Tahara, K. Tanaka, and S. Nakamura,
    "CFD study of implanted-stent impacts on blood flows in left coronary artery branch models,"
    In: Proceedings of the ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference (AJKFluids2019),
    San Francisco, CA, Jul. 28 - Aug. 1 (2019), AJKFLUIDS2019-5250 (7 pages).

  13. K. Ono, K. Yamamoto, T. Tsukahara, H. Kawamoto, S. Tahara, K. Tanaka, S. Nakamura, and M. Motosuke,
    "Flow measurement in stented left coronary artery models,"
    In: Proceedings of the ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference (AJKFluids2019),
    San Francisco, CA, Jul. 28 - Aug. 1 (2019), AJKFLUIDS2019-5154 (6 pages).

  14. M. Hanabusa and T. Tsukahara,
    "Robustness of turbulent stripes in particle-laden channel flows,"
    In: Proceedings of the ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference (AJKFluids2019),
    San Francisco, CA, Jul. 28 - Aug. 1 (2019), AJKFLUIDS2019-5149 (6 pages).

  15. T. Tsukahara and T. Fukuda,
    "Turbulent heat transfer in transitional annular Poiseuille flow,"
    In: Proceedings of the 14th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT2019),
    Wicklow, Ireland, Jul. 22-24 (2019), (6 pages).

  16. T. Tsukahara, K. Yamasaki, and I. Ueno,
    "Basic flows and heat transfer of thermal Marangoni convection in rectangular liquid film,"
    In: Proceedings of the 14th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT2019),
    Wicklow, Ireland, Jul. 22-24 (2019), (6 pages).

  17. K. Nitta and T. Tsukahara,
    "Direct numerical simulation of the liquid-column manipulation by photoisomerization using OpenFOAM,"
    In: Proceedings of the 29th International Symposium on Transport Phenomena,
    Hawaii, USA, Oct. 30 - Nov. 2 (2018), ISTP29-104.

  18. K. Yamasaki, T. Tsukahara, I. Ueno,
    "Numerical simulation of thermocapillary-driven flow in a free rectangular liquid film with varying volume ratios,"
    In: Proceedings of the 29th International Symposium on Transport Phenomena,
    Hawaii, USA, Oct. 30 - Nov. 2 (2018), ISTP29-105.

  19. T. Shimohigashi, T. Tsukahara, and Y. Kawaguchi,
    " Modeling of the diffusion characteristics of the unsteady plume in quasi-homogeneous turbulence for the estimation of the diffusion source,"
    In: Proceedings of Conference on Modelling Fluid Flow (CMFF'18),
    Budapest, Hungary, Sep. 4-7 (2018), #40.

  20. Y. Kawabata, S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Experimental study on enhancement and recovery of turbulent heat transfer relating to the functionality of surfactant solution induced by inserted mesh,"
    In: Proceedings of 16th International Heat Transfer Conference,
    Beijing, China, Aug. 10-15 (2018), 23930.

  21. K. Fujimoto, T. Tsukahara, Y. Yamada, K. Yamamoto, M. Motosuke, K. Tanaka, S. Tahara, K. Tani, S. Nakamura, and Y. Fujino,
    "Valuation of implanted-stent impact on coronary artery trifurcation blood flow by using CFD,"
    In: Proceedings of 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society,
    Honolulu, HI, USA, Jul. 17-21 (2018), 3181-3184.

  22. S. Hara, K. Ishii, T. Tsukahara, and Y. Kawaguchi,
    "Appearance of gel-like shear-induced structures and flow modification in turbulent channel flow with dosing of dilute surfactant solution,"
    In: Proceedings of 9th International Symposium on Turbulence, Heat and Mass Transfer,
    Rio de Janeiro, RJ, Brazil, Jul. 10-13 (2018), S21.1, 10 pages.

  23. K. Fukudome, T. Tsukahara, and Y. Ogami,
    "Dissimilarity between heat and momentum transport for the turbulent stripes in transitional plane Couette flow,"
    In: Proceedings of 9th International Symposium on Turbulence, Heat and Mass Transfer,
    Rio de Janeiro, RJ, Brazil, Jul. 10-13 (2018), S1.3, 5 pages.

  24. T. Matsumoto, S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Instantaneous turbulent eddy structure relating to momentum and scalar transport in a drag reducing channel flow with surfactant additives,"
    In: Proceedings of the ASME Fluid Engineering Division Summer Meeting (FEDSM) 2017,
    Hawaii, USA, July 30 - Aug. 3 (2017), FEDSM2017-69533.

  25. S. Onishi, R. Ii, S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Large eddy structure appearing in meandering motion of high Reynolds number viscoelastic flow past a backward-facing step,"
    In: Proceedings of the ASME Fluid Engineering Division Summer Meeting (FEDSM) 2017,
    Hawaii, USA, July 30 - Aug. 3 (2017), FEDSM2017-69558.

  26. A. Yakeno and T. Tsukahara,
    "Linear transient growth of coherent structure in turbulent channel flow at low Reynolds number,"
    In: Proceedings of the 10th International Symposium on Turbulence and Shear Flow Phenomena,
    Chicago, USA, July 6-9 (2017), P-21 (6 pages).

  27. T. Nimura, T. Ishida, T. Kawata, and T. Tsukahara,
    "Modulated roll cells in rotating plane Couette flow of viscoelastic fluid,"
    In: Proceedings of the 10th International Symposium on Turbulence and Shear Flow Phenomena,
    Chicago, USA, July 6-9 (2017), 2B-3 (6 pages).

  28. S. Hara, S. Onishi, R. Ii, T. Tsukahara, and Y. Kawaguchi,
    "Analysis of the turbulent kinetic energy budget for meandering motion appearing in a backward-facing step flow of viscoelastic fluid in high Reynolds number,"
    In: Proceedings of the 10th International Symposium on Turbulence and Shear Flow Phenomena,
    Chicago, USA, July 6-9 (2017), 1D-4 (6 pages).

  29. S. Inoue, T. Tsukahara, S. Jakirlić, and Y. Kawaguchi,
    "A Reynolds stress model for drag-reducing viscoelastic turbulent flow,"
    In: Proceedings of 11th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements,
    Palermo, Italy, Sep. 21-23 (2016), 6 pages.

  30. S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Experimental investigation on the streamwise velocity fluctuation with the Reynolds-number dependence in turbulent viscoelastic-fluid flows,"
    In: Proceedings of 11th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements,
    Palermo, Italy, Sep. 21-23 (2016), 6 pages.

  31. Y. Yamada, T. Tsukahara, M. Motosuke, and Y. Fujino,
    "CFD analysis of strut influence on blood flow in stent-implanted left main coronary artery bifurcation,"
    In: Proceedings of 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society,
    Orlando, FL, USA, Aug. 16-20 (2016), 3306-3309.

  32. K. Watanabe, Y. Kaiho, S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "A study on heat transport phenomena in a developed thermal boundary layer of drag reducing channel flow,"
    In: Proceedings of ASME 2016 Fluids Engineering Division Summer Meeting,
    Washington DC, USA, July 10-14 (2016), FEDSM2016-7680.

  33. Y. Kaiho, S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Spectral analysis and discussion on the velocity fluctuation in drag reducing channel flow by surfactant additives,"
    In: Proceedings of ASME 2016 Fluids Engineering Division Summer Meeting,
    Washington DC, USA, July 10-14 (2016), FEDSM2016-7725.

  34. M. Endo, Q.Q. Shao, T. Tsukahara, and Y. Kawaguchi,
    "Characteristics of high concentration pulses in turbulent mass diffusion,"
    In: Proceedings of ASME 2016 Fluids Engineering Division Summer Meeting,
    Washington DC, USA, July 10-14 (2016), FEDSM2016-7786.

  35. R. Ii, S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Turbulence modulation and instability induced by surfactant additives in backward-facing step flow,"
    In: Proceedings of the 9th International Symposium on Turbulence and Shear Flow Phenomena,
    Melbourne, Australia, June 30 - July 3 (2015), 3D-3 (6 pages).

  36. D. Sekine, T. Tsukahara, and Y. Kawaguchi,
    "Study on graphical statistics characterizing a turbulent scalar diffusion toward the source estimation via image processing,"
    In: Proceedings of the 9th International Symposium on Turbulence and Shear Flow Phenomena,
    Melbourne, Australia, June 30 - July 3 (2015), P-42 (6 pages).

  37. M. Takahashi, T. Tsukahara, and Y. Kawaguchi,
    "Application of non-linear k-ε model to viscoelastic fluid flow,"
    In: Proceedings of Tenth International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements,
    Marbella, Spain, Sep. 17-19 (2014), 7 pages.

  38. R. Goto, Z. Fu, T. Tsukahara, and Y. Kawaguchi,
    "Near wall turbulent structure in drag-reducing channel flow with polymer dosing from the wall,"
    In: Proceedings of Tenth International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements,
    Marbella, Spain, Sep. 17-19 (2014), 8 pages.

  39. S. Hara, S. Kawada, T. Tsukahara, and Y. Kawaguchi,
    "Operation of functional fluid by local wall heating in a drag-reducing surfactant solution flow,"
    In: Proceedings of the 15th International Heat Transfer Conference,
    Kyoto, Japan, Aug. 10-15 (2014), IHTC15-9676 (12 pages).

  40. T. Minegishi, T. Tsukahara, and Y. Kawaguchi,
    "Stress field analysis around vortex in elastic layer of viscoelastic turbulent channel flow,"
    Journal of Physics: Conference Series, Vol. 530, XXI Fluid Mechanics Conference (KKMP2014),
    Krakow, Poland, Jun. 15-18 (2014), 012059 (7 pages).
    [Online Journal (Open Access)]

  41. T. Ishida, T. Tsukahara, and Y. Kawaguchi,
    "Effects of spanwise rotation on the structure of turbulent stripe in plane Poiseuille flow,"
    In: Proceedings of the 8th International Symposium on Turbulence and Shear Flow Phenomena,
    Poitiers, France, Aug. 28-30 (2013), ROTB2 (6 pages).

  42. K. Oyagi, T. Tsukahara, and Y. Kawaguchi,
    "Characteristics extraction of a turbulent diffusion state for quick trace-back estimation of the diffusion source,"
    In: Proceedings of the 8th International Symposium on Turbulence and Shear Flow Phenomena,
    Poitiers, France, Aug. 28-30 (2013), PSB2 (6 pages).

  43. Y. Iwaki, M. Motozawa, T. Tsukahara, and Y. Kawaguchi,
    "Modification of drag-reduced flow by dosing water from the wall: Investigation of turbulent structure by PIV,"
    In: Proceedings of the 8th International Symposium on Turbulence and Shear Flow Phenomena,
    Poitiers, France, Aug. 28-30 (2013), P06 (6 pages).

  44. K. Oyagi, T. Tsukahara, and Y. Kawaguchi,
    "Experimental consideration for the map based source estimation of concentration diffusion in turbulent flow,"
    In: Proceedings of the 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics,
    Lisbon, Portugal, Jun. 16-20, (2013), Turbulence-259 (7 pages).

  45. Y. Iwaki, M. Motozawa, T. Tsukahara, and Y. Kawaguchi,
    "Enhanced drag reduction in surfactant flow by dosing water from wall: investigation of turbulent statistics by PIV and PLIF,"
    In: Proceedings of the 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics,
    Lisbon, Portugal, Jun. 16-20, (2013), Turbulence-453 (7 pages).

  46. S. Kawada, T. Tsukahara, and Y. Kawaguchi,
    "Investigation on functionality of surfactant solution in turbulent heat transfer downstream of orifice,"
    In: Proceedings of the 8th World Conference on Experimental Heat Transfer, Fluid Mechanics, and Thermodynamics,
    Lisbon, Portugal, Jun. 16-20, (2013), Turbulence-272 (7 pages).

  47. T. Ishida, T. Tsukahara, and Y. Kawaguchi,
    "DNS of rotating turbulent plane Poiseuille flow in low Reynolds- and rotation-number ranges,"
    In: Progress in Turbulence V, Springer Proceedings in Physics, Vol. 149, Proceedings of the iTi (interdisciplinary turbulence initiative), Bertinoro, Italy, Oct. 1-3 2012 (eds. A. Tallamelli, M. Oberlack, & J. Peinke), Springer (2014), pp. 177-182.
    [Online Book]

  48. S. Kawada, D. Tsurumi, T. Tsukahara, and Y. Kawaguchi,
    "Experimental study on heat transfer augmentation in viscoelastic turbulent channel flow by two-dimensional orifice,"
    In: Proceedings of the Seventh International Symposium on Turbulence, Heat and Mass Transfer,
    Palermo, Italy, Sep. 24-27, (2012), 1013-1016.

  49. D. Tsurumi, S. Kawada, T. Kawase, T. Tsukahara, and Y. Kawaguchi,
    "Experimental analysis of turbulent structure of viscoelastic fluid flow in downstream of two-dimensional orifice,"
    In: Proceedings of the Seventh International Symposium on Turbulence, Heat and Mass Transfer,
    Palermo, Italy, Sep. 24-27, (2012), 191-194.

  50. T. Tsukahara, M. Motozawa, T. Kawase, D. Tsurumi, and Y. Kawaguchi,
    "PIV and DNS analysis of viscoelastic turbulent flows behind a rectangular orifice,"
    In: Proceedings of Ninth International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements,
    Thessaloniki, Greece, June 6-8 (2012), 0041 (USB), 6pp.

  51. T. Tsukahara,
    "Structures and turbulent statistics in a rotating plane Couette flow,"
    Journal of Physics: Conference Series, Vol. 318, 13th EUROMECH European Turbulence Conference,
    Warsaw, Poland, Sep. 12-15 (2011), 022024, 11pp.
    [Online Journal]

  52. K. Ohnishi, T. Tsukahara, and Y. Kawaguchi,
    "Turbulence budget in transitional plane Couette flow with turbulent stripe,"
    Journal of Physics: Conference Series, Vol. 318, 13th EUROMECH European Turbulence Conference,
    Warsaw, Poland, Sep. 12-15 (2011), 032033, 11pp.
    [Online Journal]

  53. H. Aida, T. Tsukahara, and Y. Kawaguchi,
    "Development process of a turbulent spot into stripe pattern in plane Poiseuille flow,"
    In: Proceedings of the Seventh International Symposium on Turbulence and Shear Flow Phenomena,
    Ottawa, Canada, July 28-31 (2011), Paper-ID #8D2P (USB), 6 pp.
    [arXiv]

  54. H. Kawamoto, T. Tsukahara, H. Kawamura, and Y. Kawaguchi,
    "Proposal of k-ε model for visco-elastic fluid flow: toward prediction of drag-reducing turbulence,"
    In: Proceedings of Eighth International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements,
    Marseille, France, June 9-11 (2010), Vol. 2, pp. 350-355.

  55. T. Kawase, T. Tsukahara, and Y. Kawaguchi,
    "DNS of viscoelastic turbulent channel flow with two-dimensional slits,"
    In: Proceedings of Eighth International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements,
    Marseille, France, June 9-11 (2010), Vol. 3, pp. 732-737.

  56. Y. Sakamoto, S. Shimazu, T. Tsukahara, M. Yamamoto, and Y. Kawaguchi,
    "Control of sand movement on model dune by fence installation – Experimental study using LDV,"
    In: Proceedings of the Sixth International Symposium on Turbulence, Heat and Mass Transfer,
    Rome, Italy, Sep. 14-18 (2009), pp. 901-904.

  57. S. Hashimoto, A. Hasobe, T. Tsukahara, Y. Kawaguchi, and H. Kawamura,
    "An experimental study on turbulent-stripe structure in transitional channel flow,"
    In: Proceedings of the Sixth International Symposium on Turbulence, Heat and Mass Transfer,
    Rome, Italy, Sep. 14-18 (2009), (10 pages).
    [Online Journal] [arXiv]

  58. T. Tsukahara, Y. Kawaguchi, and H. Kawamura,
    "DNS of turbulent plane Couette flow with emphasis on turbulent stripe,"
    Advances in Turbulence XII,
    In: Proceedings of the Twelfth EUROMECH European Turbulence Conference,
    Marburg, Germany, Sep. 7-10 (2009), pp. 71-74.
    [Online Proceedings]

  59. T. Ishigami, T. Tsukahara, and Y. Kawaguchi,
    "DNS study on 'diameter effect' of drag reduction in viscoelastic-fluid flow,"
    Advances in Turbulence XII,
    In: Proceedings of the Twelfth EUROMECH European Turbulence Conference,
    Marburg, Germany, Sep. 7-10 (2009), pp. 363-366.
    [Online Proceedings]

  60. T. Tsukahara, Y. Kawaguchi, H. Kawamura, N. Tillmark, and P.H. Alfredsson,
    "Turbulence stripe in transitional channel flow with/without system rotation,"
    In: Proceedings of Seventh IUTAM Symposium on Laminar-Turbulent Transition, Stockholm, Sweden, Jun. 23-26 2009 (eds. P. Schlatter & D.S. Henningson), IUTAM Bookseries, Vol. 18, Springer (2010), pp. 421-426.
    [Online Book]

  61. T. Ishigami, T. Tsukahara, Y. Kawaguchi, and B. Yu,
    "DNS Study on viscoelastic effect in drag-reduced turbulent channel flow,"
    In: Proceedings of the Sixth International Symposium on Turbulence and Shear Flow Phenomena,
    Seoul, Korea, Jun. 22-24 (2009), pp. 359-364.

  62. K. Iwamoto, T. Tsukahara, H. Nakano, and H. Kawamura,
    "Effect of large-scale structures upon near-wall turbulence,"
    In: Proceedings of IUTAM Symposium on Computational Physics and New Perspectives in Turbulence,
    Nagoya, Japan, Sep. 11-14 2006 (ed. Kaneda, Y.), Springer Netherlands (2007), pp. 55-60.
    [Online Journal]

  63. T. Tsukahara, K. Iwamoto and H. Kawamura,
    "Evolution of material line in turbulent channel flow,"
    In: Proceedings of the Fifth International Symposium on Turbulence and Shear Flow Phenomena,
    Munich, Germany, Aug. 27-29 (2007), pp. 549-554.
    [PDF (1.0MB)]

  64. T. Tsukahara, K. Iwamoto and H. Kawamura,
    "POD analysis of large-scale structures through DNS of turbulent plane Couette flow,"
    Advances in Turbulence XI (eds. Palma J.M.L.M. & Silva Lopes A., Springer Proc. in Phys. 117, Springer, Heidelberg),
    In: Proceedings of the Eleventh EUROMECH European Turbulence Conference,
    Porto, Portugal, June 25-28 (2007), pp. 245-247.
    [PDF (0.3MB)]

  65. T. Tsukahara, K. Iwamoto, H. Kawamura, and T. Takeda,
    "DNS of Heat Transfer in a Transitional Channel Flow Accompanied by a Turbulent Puff-like Structure,"
    In: Proceedings of the Fifth International Symposium on Turbulence, Heat and Mass Transfer,
    Dubrovnik, Croatia, Sep. 25-29 (2006), pp. 193-196.
    [PDF (short paper 1.1MB), (full paper 6.4MB)] [arXiv]

  66. T. Tsukahara, Y. Seki, H. Kawamura, and D. Tochio,
    "DNS of turbulent channel flow at very low Reynolds numbers,"
    In: Proceedings of the Fourth International Symposium on Turbulence and Shear Flow Phenomena,
    Williamsburg, VA, USA, Jun. 27-29 (2005), pp. 935-940.
    [PDF(1.1MB)] [arXiv]

  67. T. Tsukahara, H. Kawamura, and K. Shingai,
    "DNS of turbulent Couette flow with respect to a large scale structure in the core region,"
    Advances in Turbulence X (eds. H.I. Andersson & P.-Å. Krogstad),
    In: Proceedings of the Tenth EUROMECH European Turbulence Conference,
    Trondheim, Norway, Jun. 29 - Jul. 2 (2004), pp. 611-614.
    [PDF(2.0MB)]


Proceedings (w/o Peer Review) / Seminar / Report
  1. T. Tsukahara, S. Okazaki, K. Nakagawa, T. Ishida,
    "Turbulent spot growth in swept-flat-plate boundary layer,"
    The 69th Workshop on Investigation and Control of Transition to Turbulence, Nagano, Japan, Mar. 10-11 (2024).

  2. T. Tsukahara,
    "Deep neural network surrogate model for predicting viscoelastic channel flows,"
    The 9th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2023),
    Thuwal, Saudi Arabia, Dec. 4-6 (2023), ASCHT2023-112.

  3. K. Nakagawa, T. Ishida, T. Tsukahara,
    "Investigation of the transition process due to cylindrical roughness and freestream turbulence in the swept flate plate boundary layer,"
    The 68th Workshop on Investigation and Control of Transition to Turbulence, Tokyo, Japan, Oct. 24-25 (2023).

  4. K. Kohyama, T. Tsukahara,
    "Turbulent-laminar coexisting structures and traveling waves in annular Couette flows at low Reynolds number,"
    The 68th Workshop on Investigation and Control of Transition to Turbulence, Tokyo, Japan, Oct. 24-25 (2023).

  5. S. Someya and T. Tsukahara,
    "CNN for scalar-source distance estimation in grid-generated turbulence,"
    In: Proceedings of the 33rd International Symposium on Transport Phenomena (ISTP33),
    Kumamoto, Japan, Sep. 24-27 (2023), 130, 8 pages.

  6. T. Takahashi and T. Tsukahara,
    "Two-stage instability in viscoelastic rotating plane Couette flow,"
    In: Proceedings of the 33rd International Symposium on Transport Phenomena (ISTP33),
    Kumamoto, Japan, Sep. 24-27 (2023), 78, 4 pages.

  7. T. Ishigami, M. Irikura, and T. Tsukahara,
    "Point source estimation via deep learning for passive scalar turbulent diffusion,"
    In: Proceedings of the 10th International Symposium on Turbulence, Heat and Mass Transfer (THMT10),
    Rome, Italy, Sep. 11-15 (2023), pp. 357-360.

  8. Y. Matsukawa and T. Tsukahara,
    "Parameter dependence of switching between supercritical and subcritical turbulent transitions in inner-cylinder rotating Taylor-Couette-Poiseuille flow,"
    In: Proceedings of the 10th International Symposium on Turbulence, Heat and Mass Transfer (THMT10),
    Rome, Italy, Sep. 11-15 (2023), pp. 97-100.

  9. K. Nakagawa, T. Ishida, and T. Tsukahara,
    "Premature secondary instabilities induced by freestream turbulence in swept flat plate boundary layer,"
    In: Proceedings of the 10th International Symposium on Turbulence, Heat and Mass Transfer (THMT10),
    Rome, Italy, Sep. 11-15 (2023), pp. 73-76.

  10. K. Kohyama and T. Tsukahara,
    "Reproducing turbulent puff split and decay in transitional annular flow by a two-variable stochastic model,"
    In: Proceedings of the 10th International Symposium on Turbulence, Heat and Mass Transfer (THMT10),
    Rome, Italy, Sep. 11-15 (2023).

  11. K. Kohyama and T. Tsukahara,
    "Turbulence maintenance limitation at low Reynolds number in annular Couette flow with very small radius ratios,"
    In: Abstracts of the 18th EUROMECH European Turbulence Conference,
    Valencia, Spain, Sep. 4-6 (2023), 504 (1 page).

  12. K. Nakagawa, T. Ishida, and T. Tsukahara,
    "Parametric study on the effects of cylindrical cavities on transition in the Falkner-Skan-Cooke boundary layer,"
    In: Abstracts of the 18th EUROMECH European Turbulence Conference,
    Valencia, Spain, Sep. 4-6 (2023), 147 (1 page).

  13. T. Nimura, T. Kawata, T. Tsukahara,
    "Vortex modulation and instability due to viscoelasticity in wall-bounded shear flow,"
    AJKFED2023 (The ASME-JSME-KSME Joint Fluids Engineering Conference), Osaka, Japan, July 9-13 (2023).

  14. K. Kohyama, T. Tsukahara,
    "Reproducing spatio-temporal intermittency of turbulent puffs with Domany-Kinzel model,"
    22nd International Couette-Taylor Workshop (ICTW22), Barcelona, Spain, June 28-30 (2023).

  15. Y. Matsukawa, T. Tsukahara,
    "Different flow state transition processes of Taylor-Couette-Poiseuille flow based on Taylor vortex,"
    22nd International Couette-Taylor Workshop (ICTW22), Barcelona, Spain, June 28-30 (2023).

  16. Y. Matsukawa, T. Tsukahara,
    "Direct numerical simulations of Taylor-Couette-Poiseuille flows at high radius ratios: classification of flow state transition processes,"
    The 67th Workshop on Investigation and Control of Transition to Turbulence, Tokyo, Japan, Mar. 29-30 (2023).

  17. Y. Horimoto, K. Yatsushiro, T. Tsukahara,
    "Turbulence-laminar transition of annular Poiseuille flow depending on diameter ratio and eccentricity,"
    The 67th Workshop on Investigation and Control of Transition to Turbulence, Tokyo, Japan, Mar. 29-30 (2023).

  18. T. Nimura, T. Kawata, T. Tsukahara,
    "Vortex modulation and instability due to viscoelasticity in wall-bounded shear flow,"
    The 67th Workshop on Investigation and Control of Transition to Turbulence, Tokyo, Japan, Mar. 29-30 (2023).

  19. T. Kawata, T. Tsukahara,
    "Forward and inverse interscale energy transports in a turbulent plane Couette flow,"
    The 67th Workshop on Investigation and Control of Transition to Turbulence, Tokyo, Japan, Mar. 29-30 (2023).

  20. T. Kurihara, T. Ishigami, and T. Tsukahara,
    "Inter- and extra-polations of source estimation by CNN to identify a scalar point source in turbulent channel flow,"
    In: Proceedings of 9th Asian Joint Workshop on Thermophysics and Fluid Science (AJWTF2022),
    Utsunomiya, Japan, Nov. 27-30 (2022), 4119 (7 pages).

  21. R. Onishi, T. Tsukahara, D. Henzel, T. Osawa, and Y. Hasegawa,
    "Research on scalar source search by physics-informed neural network and a robot with a sensor,"
    In: Proceedings of 9th Asian Joint Workshop on Thermophysics and Fluid Science (AJWTF2022),
    Utsunomiya, Japan, Nov. 27-30 (2022), 4118 (5 pages).

  22. T. Takahashi, T. Nimura, and T. Tsukahara,
    "Flow pattern of rotating plane Couette flow at low Reynolds number with viscoelastic fluid,"
    In: Proceedings of 9th Asian Joint Workshop on Thermophysics and Fluid Science (AJWTF2022),
    Utsunomiya, Japan, Nov. 27-30 (2022), 4065 (6 pages).

  23. S. Someya, T. Ishigami, and T. Tsukahara,
    "CNN-based estimation of scalar diffusion source distance under grid-generated turbulence,"
    In: Proceedings of 9th Asian Joint Workshop on Thermophysics and Fluid Science (AJWTF2022),
    Utsunomiya, Japan, Nov. 27-30 (2022), 4054 (7 pages).

  24. D. Yamamoto, T. Tsukahara, and Y. Fujino,
    "Numerical study on impact of thinner strut thickness on blood flow using stent structural analysis,"
    In: Proceedings of 9th Asian Joint Workshop on Thermophysics and Fluid Science (AJWTF2022),
    Utsunomiya, Japan, Nov. 27-30 (2022), 4047 (6 pages).

  25. Y. Matsukawa and T. Tsukahara,
    "Different transition processes of Taylor-Couette-Poiseuille flow based on modulated wavy Taylor vortex,"
    In: Proceedings of 9th Asian Joint Workshop on Thermophysics and Fluid Science (AJWTF2022),
    Utsunomiya, Japan, Nov. 27-30 (2022), 4028 (5 pages).

  26. M. Tashiro and T. Tsukahara,
    "Prediction of constitutive stress for viscoelastic fluid turbulence with LSTM,"
    In: Proceedings of 9th Asian Joint Workshop on Thermophysics and Fluid Science (AJWTF2022),
    Utsunomiya, Japan, Nov. 27-30 (2022), 4023 (5 pages).

  27. Y. Matsukawa, and T. Tsukahara,
    "Laminarization in subcritical Taylor-Couette-Poiseuille flow with increasing pressure gradient,"
    In: Proceedings of Nineteenth International Conference on Flow Dynamics (ICFD2022),
    Sendai, Japan, Nov. 9-11 (2022), pp. 732-735.

  28. K. Kohyama, T. Tsukahara, K. Tamai, and M. Sano,
    "Effect of the presence or absence of sidewalls on the subcritical transition of channel flow and the directed percolation phenomena,"
    The 66th Workshop on Investigation and Control of Transition to Turbulence,
    Tokyo, Japan, Sep. 25-26 (2022).

  29. M. Tashiro and T. Tsukahara,
    "DNS-CNN simulation of viscoelastic turbulent flow using U-Net,"
    The 15th World Congress in Computational Mechanics & 8th Asian Pacific Congress on Computational Mechanics (WCCM-APCOM 2022),
    Yokohama, Japan (Online), July 31 - Aug. 5 (2022), 1348.

  30. K. Nakagawa, T. Ishida, and T. Tsukahara,
    "Freestream-turbulence independence of secondary instability of cross-flow vortices in swept-flat-plate boundary layer,"
    In: Proceedings of the 12th International Symposium on Turbulence and Shear Flow Phenomena (TSFP12),
    Osaka, Japan (Online), Jul. 19-22 (2022), 186 (6 pages).

  31. K. Kohyama, M. Sano, K. Tamai, and T. Tsukahara,
    "Directed percolation phenomena in subcritical transtion of high-aspect-ratio duct flow,"
    In: Proceedings of the 12th International Symposium on Turbulence and Shear Flow Phenomena (TSFP12),
    Osaka, Japan (Online), Jul. 19-22 (2022), 312 (6 pages).

  32. K. Fukudome, H. Mamori, T. Tsukahara, and M. Yamamoto,
    "Growing turbulent spot in plane Couette flow provides dissimilarity between momentum and heat transfers,"
    In: Proceedings of the 12th International Symposium on Turbulence and Shear Flow Phenomena (TSFP12),
    Osaka, Japan (Online), Jul. 19-22 (2022), 369 (5 pages).

  33. K. Sumikawa, K. Ushijima, and T. Tsukahara,
    "Numerical simulation of solid-gas-liquid three-phase flow in SLM processing,"
    In: Extended Abstracts of 2nd Asian Conference on Thermal Sciences (2nd ACTS),
    Virtual, Oct. 3-7 (2021), 50414.

  34. K. Kawazu, T. Homma, I. Ueno, and T. Tsukahara,
    "Numerical study on basic-flow patterns of thermal Marangoni convection in rectangular free liquid film,"
    In: Extended Abstracts of 2nd Asian Conference on Thermal Sciences (2nd ACTS),
    Virtual, Oct. 3-7 (2021), 30721.

  35. T. Kurihara, T. Ishigami, and T. Tsukahara,
    "Regression-type inverse estimation by CNN to identify a scalar source in turbulent channel flow,"
    In: Proceedings of the 8th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2021),
    Qingdao, China (hybrid), Sep. 23-26 (2021), ASCHT2021-266, 6 pages.

  36. K. Takeda, M. Sano, and T. Tsukahara,
    "Side-wall effect of high-aspect-ratio duct flow on turbulent bands in subcritical transition,"
    In: Proceedings of the 8th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2021),
    Qingdao, China (hybrid), Sep. 23-26 (2021), ASCHT2021-256, 10 pages.

  37. Y. Matsukawa and T. Tsukahara,
    "Subcritical transition of Taylor-Couette-Poiseuille flow,"
    In: Proceedings of the 8th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2021),
    Qingdao, China (hybrid), Sep. 23-26 (2021), ASCHT2021-241, 6 pages.

  38. T. Hosoya, T. Osawa, Y. Kametani, T. Tsukahara, and Y. Hasegawa,
    "Estimation of 3D duct flow past a cylinder based on 2D-plane measurement by 4D-Var,"
    In: Proceedings of the 8th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2021),
    Qingdao, China (hybrid), Sep. 23-26 (2021), ASCHT2021-165, 9 pages.

  39. K. Nakagawa, T. Tsukahara, and T. Ishida,
    "Turbulent transition induced by an interaction between freestream turbulence and discrete roughness in swept-flat-plate boundary layer,"
    In: Proceedings of the 8th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2021),
    Qingdao, China (hybrid), Sep. 23-26 (2021), ASCHT2021-077, 7 pages.

  40. T. Tsukahara, C. Izumi, Y. Matsukawa, and K. Takeda,
    "Patterning of turbulent natural convection in vertical channel,"
    In: Proceedings of the 8th Asian Symposium on Computational Heat Transfer and Fluid Flow (ASCHT2021),
    Qingdao, China (hybrid), Sep. 23-26 (2021), ASCHT2021-041, 2 pages.

  41. K. Takeda and T. Tsukahara,
    "Intermittent turbulent structures in subcritical transition of annular Couette flow with/without imaginary domain,"
    In: Abstracts of 25th International Congress of Theoretical and Applied Mechanics (ICTAM2020+1),
    Milano, Italy (virtual), Aug. 22-27 (2021), pp. 98-99.

  42. H. Morimatsu and T. Tsukahara,
    "Study of intermittent structure in annular Couette-Poiseuille flow from turbulent puff to turbulent stripe,"
    In: Abstracts of 25th International Congress of Theoretical and Applied Mechanics (ICTAM2020+1),
    Milano, Italy (virtual), Aug. 22-27 (2021), pp. 114-115.

  43. K. Fukudome, T. Tsukahara, H. Mamori, and M. Yamamoto,
    "Emergence of transport dissimilarity by growing turbulent spot in plane Couette flow,"
    In: Abstracts of 25th International Congress of Theoretical and Applied Mechanics (ICTAM2020+1),
    Milano, Italy (virtual), Aug. 22-27 (2021), pp. 1323-1324.

  44. Y. Matsukawa and T. Tsukahara,
    "Occurrence and disappearance of localized turbulence in Taylor-Couette-Poiseuille flow,"
    21st International Couette-Taylor Workshop (ICTW21),
    Virtual Meeting, July 5-9 (2021).

  45. R. Sakakibara, T. Nimura, T. Ishida, and T. Tsukahara,
    "DNS-NPSE analysis of turbulent transition on swept wing with roughness elements,"
    In: Abstracts Proceedings of the joint 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS CONGRESS),
    Paris, France (virtual), Jan. 11-15 (2021), 3673.

  46. K. Takeda, Y. Duguet, and T. Tsukahara,
    "DNS study of annular Couette flow for low-high radius ratio in subcritical transition,"
    In: Proceedings of Seventeenth International Conference on Flow Dynamics (ICFD2020),
    Sendai, Japan (virtual), Oct. 28-30 (2020), pp. 448-451.

  47. K. Takeda and T. Tsukahara,
    "New knowledge as DP universality class on the subcritical turbulent transitions of wall-bounded shear flows,"
    In: Abstract Proceedings of 7th Asia-Pacific Congress on Computational Mechanics (APCOM2019),
    Taipei, Taiwan, Dec. 18-20 (2019), p. 281.

  48. H. Morimatsu and T. Tsukahara,
    "Parameter dependences of intermittent turbulent regime of annular Couette-Poiseuille flow,"
    In: Abstract Proceedings of 7th Asia-Pacific Congress on Computational Mechanics (APCOM2019),
    Taipei, Taiwan, Dec. 18-20 (2019), p. 280.

  49. K. Fukudome, T. Tsukahara, and M. Yamamoto,
    "Emergence of dissimilarity between heat and momentum transports for turbulent stripes in transitional plane Couette flow,"
    In: Abstract Proceedings of 7th Asia-Pacific Congress on Computational Mechanics (APCOM2019),
    Taipei, Taiwan, Dec. 18-20 (2019), p. 278.

  50. T. Nimura, T. Kawata, and T. Tsukahara,
    "Study on viscoelasticity-induced spatio-temporal modulation of roll cells in wall-bounded shear flow,"
    In: Abstract Proceedings of 7th Asia-Pacific Congress on Computational Mechanics (APCOM2019),
    Taipei, Taiwan, Dec. 18-20 (2019), p. 275.

  51. S. Tamura, T. Tsukahara, T. Osawa, and Y. Hasegawa,
    "Experimental study on evaporation process and particle sedimentation in pendant droplets,"
    In: Proceedings of the 2nd Pacific Rim Thermal Engineering Conference (PRTEC),
    Maui Island, USA, Dec. 13-17 (2019), PRTEC-24403, 4 pages.

  52. S. Fujimura and T. Tsukahara,
    "Numerical study on flow near the contact line of a locally heated micro vapor bubble,"
    In: Proceedings of the 2nd Pacific Rim Thermal Engineering Conference (PRTEC),
    Maui Island, USA, Dec. 13-17 (2019), PRTEC-24389, 4 pages.

  53. K. Oda, T. Tsukahara, and Y. Kawaguchi,
    "Applicability of Reynolds stress model for drag-reducing turbulent flow over backward-facing step,"
    In: Proceedings of the 2nd Pacific Rim Thermal Engineering Conference (PRTEC),
    Maui Island, USA, Dec. 13-17 (2019), PRTEC-24384, 4 pages.

  54. T. Fukuda and T. Tsukahara,
    "Influence of large-scale intermittent structure on heat transfer in the transition regime of annular Poiseuille flow,"
    In: Proceedings of the 2nd Pacific Rim Thermal Engineering Conference (PRTEC),
    Maui Island, USA, Dec. 13-17 (2019), PRTEC-24208, 4 pages.

  55. K. Fukudome, T. Tsukahara, H. Mamori, and M. Yamamoto,
    "Heat and momentum transports of turbulent spot in plane Couette flow,"
    In: Proceedings of the 2nd Pacific Rim Thermal Engineering Conference (PRTEC),
    Maui Island, USA, Dec. 13-17 (2019), PRTEC-24167, 5 pages.

  56. K. Fukudome, T. Tsukahara, H. Mamori, and M. Yamamoto,
    "Development of turbulent spot in plane Couette flow and dissimilarity analysis between heat and momentum transfers,"
    The 65th Workshop on Investigation and Control of Transition to Turbulence,
    Nagano, Japan, Nov. 17-18 (2019).

  57. H. Nakamura, V. Delafosse, G. Dietze, H.N. Yoshikawa, F. Zoueshtiagh, L. Mu, T. Tsukahara, and I. Ueno,
    "Numerical simulation of spreading liquid film subject to interaction with two spherical particles on horizontal smooth substrate,"
    Microfluidics 2019,
    Rueil-Malmaison, France, Nov. 13-15 (2019).

  58. R. Sakakibara, T. Nimura, T. Tsukahara, and. Ishida,
    "Integrated analysis of direct numerical simulations and nonlinear parabolized stability equations,"
    In: Proceedings of the 7th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Tokyo, Japan, Sep. 3-7 (2019), I221, 2 pages.

  59. M. Okada, T. Nimura, T. Tsukahara, and. Ishida,
    "DNS of turbulent transition induced by streamwise sinusoidal roughness in swept flat plate boundary layer,"
    In: Proceedings of the 7th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Tokyo, Japan, Sep. 3-7 (2019), I213, 2 pages.

  60. M. Hanabusa and T. Tsukahara,
    "Study on robustness of turbulent stripe in particle-laden channel flows with/without considering gravitational effect,"
    In: Proceedings of the 7th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Tokyo, Japan, Sep. 3-7 (2019), I211, 2 pages.

  61. K. Takeda and T. Tsukahara,
    "Subcritical transition of plane Poiseuille flow as DP universality classes in (2+1) and (1+1) dimensions,"
    In: Proceedings of the 7th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Tokyo, Japan, Sep. 3-7 (2019), I112, 2 pages.

  62. H. Morimatsu and T. Tsukahara,
    "Direct numerical simulation of annular Couette-Poiseuille flow: intermittent structures depending on pressure gradient and radius ratio,"
    In: Proceedings of the 7th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Tokyo, Japan, Sep. 3-7 (2019), I111, 2 pages.

  63. A. Nagamachi and T. Tsukahara,
    "Prediction of viscoelastic turbulent channel flow using deep learning,"
    In: Proceedings of the 7th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Tokyo, Japan, Sep. 3-7 (2019), F214, 2 pages.

  64. S. Fujimura, K. Yamamoto, M. Motosuke, and T. Tsukahara,
    "Numerical simulation of thermocapillary-driven flow of a micro vapor bubble on locally heated wall,"
    In: Proceedings of the 7th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Tokyo, Japan, Sep. 3-7 (2019), A122, 2 pages.

  65. T. Nimura, T. Kawata, and T. Tsukahara,
    "Interscale energy transport for turbulent stripe in rotating plane Couette flow,"
    In: Abstracts of the 17th EUROMECH European Turbulence Conference,
    Torino, Italy, Sep. 3-6 (2019), 545 (1 page).

  66. T. Ishida, T. Tsukahara, and N. Tokugawa,
    "Three-dimensional boundary-layer transition induced by cylindrical roughness: effects of height and diameter,"
    IUTAM Symposium on Laminar-Turbulent Transition (IUTAM transition 2019),
    London, UK, Sep. 2-6 (2019), Poster C11.

  67. K. Fujimoto, T. Tsukahara, K. Yamamoto, M. Motosuke, H. Kawamoto, S. Tahara, K. Tanaka, and S. Nakamura,
    "CFD study of implanted-stent impacts on blood flows in left coronary artery branch models,"
    36th Educational Program for Young Promising Cardiologists in New Tokyo Hospital—co-operated with BIOTRNIK−Taiwan—,
    New Tokyo Hospital, Chiba, Japan, Aug. 8-9 (2019).

  68. K. Ono, K. Yamamoto, T. Tsukahara, H. Kawamoto, S. Tahara, K. Tanaka, S. Nakamura, and M. Motosuke,
    "Flow measurement in stented left coronary artery models,"
    36th Educational Program for Young Promising Cardiologists in New Tokyo Hospital—co-operated with BIOTRNIK−Taiwan—,
    New Tokyo Hospital, Chiba, Japan, Aug. 8-9 (2019).

  69. T. Tsukahara, K. Yamasaki, and I. Ueno,
    "Basic flows driven by thermal Marangoni effect in rectangular liquid film,"
    The 8th Symposium on Bifurcations and Instabilities in Fluid Dynamics (BIFD2019),
    Limerick, Ireland, Jul. 16-19 (2019).

  70. K. Takeda and T. Tsukahara,
    "Subcritical transition of plane Poiseuille flow as (2+1)d and (1+1)d DP universality classes,"
    The 8th Symposium on Bifurcations and Instabilities in Fluid Dynamics (BIFD2019),
    Limerick, Ireland, Jul. 16-19 (2019).

  71. A. Yakeno and T. Tsukahara,
    "Linear transient growth in transitional turbulent channel flow at low Reynolds number",
    RIMS Kôkyûroku 2097 "Applied mathematical and physical aspects of inhomogeneous turbulence", pp. 13-17, RIMS, Kyoto University (2018).
    [Online Journal]

  72. K. Fukudome, T. Tsukahara, Y. Ogami, and M. Yamamoto,
    "Relaminarization of turbulent channel flow under stable density stratification,"
    The Second International Conference on Mechanics (ICM2018),
    Yilan, Taiwan, Oct. 15-18 (2018).

  73. T. Fukuda and T. Tsukahara,
    "Turbulent heat transfer of transitional regime with large-scale intermittent structure in annular flow,"
    In: Proceedings of 12th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements,
    Montpellier, France, Sep. 26-28 (2018), 6 pages.

  74. K. Oda, T. Tsukahara, S. Jakirlić, and Y. Kawaguchi,
    "Reynolds-stress model applied to the drag-reducing viscoelastic turbulent flow over backward-facing step,"
    In: Proceedings of 12th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements,
    Montpellier, France, Sep. 26-28 (2018), 6 pages.

  75. T. Nimura, T. Kawata, and T. Tsukahara,
    "Self-sustainability of turbulent stripe in rotating plane Couette flow,"
    12th European Fluid Mechanics Conference (EFMC12),
    Vienna, Austria, Sep. 9-13 (2018).

  76. H. Nakamura, M. Inoue, L. Mu, D. Kondo, T. Ogawa, T. Tsukahara, G. Dietze, H.N. Yoshikawa, F. Zoueshtiagh, T. Kaneko, and I. Ueno,
    "Numerical simulation of the spreading liquid film subject to the interaction with a spherical particle on the horizontal smooth substrate,"
    12th European Fluid Mechanics Conference (EFMC12),
    Vienna, Austria, Sep. 9-13 (2018).

  77. L. Mu, T. Ogawa, H. Nakamura, D. Kondo, H.N. Yoshikawa, F. Zoueshtiagh, G. Dietze, T. Tsukahara, M. Motosuke, T. Kaneko, and I. Ueno,
    "Experimental study on acceleration of macroscopic contact line of a droplet spreading on a smooth substrate induced by an interaction with a tiny particle,"
    12th European Fluid Mechanics Conference (EFMC12),
    Vienna, Austria, Sep. 9-13 (2018).

  78. Y. Akechi, Y. Yamada, T. Osawa, T. Tsukahara, and Y. Hasegawa,
    "Flow estimation behind a cylinder using data assimilation,"
    12th European Fluid Mechanics Conference (EFMC12),
    Vienna, Austria, Sep. 9-13 (2018).

  79. Y. Duguet, T. Tsukahara, T. Ishida, and K. Kunii,
    "Transitional regimes of annular shear flows,"
    12th European Fluid Mechanics Conference (EFMC12),
    Vienna, Austria, Sep. 9-13 (2018).

  80. Y. Duguet, T. Ishida, K. Kunii, and T. Tsukahara,
    "Spot morphogenesis in annular shear flows,"
    Euromech Colloquium EC598 – Coherent Structures in Wall-bounded Turbulence: New Directions in a Classic Problem,
    London, UK, Aug. 29-31 (2018).

  81. K. Nitta, M. Muto, K. Yamamoto, M. Motosuke, and T. Tsukahara,
    "Study on an in-tube liquid column driven by photoisomerization using OpenFOAM,"
    Water on Materials Surface 2018 (WMS2018),
    Tokyo, Japan, Jul. 25-27 (2018), C-08.

  82. K. Yamasaki, T. Tsukahara, and I. Ueno,
    "Numerical simulation of the flow patterns induced by thermocapillary effect in a liquid film with varying volume ratios,"
    Water on Materials Surface 2018 (WMS2018),
    Tokyo, Japan, Jul. 25-27 (2018), C-02.

  83. T. Tomioka and T. Tsukahara,
    "DNS of plane Couette flow with roughness in the transitional region,"
    In: Abstract of 13th World Congress on Computational Mechanics (WCCM13),
    New York City, Ny, USA, Jul. 22-27 (2018).

  84. M. Hanabusa and T. Tsukahara,
    "DNS of particle-laden turbulent channel flow in transitional regime,"
    In: Abstract of 13th World Congress on Computational Mechanics (WCCM13),
    New York City, Ny, USA, Jul. 22-27 (2018).

  85. F. Oneyama, T. Tsukahara, Y. Yamada, K. Yamamoto, M. Motosuke, K. Tanaka, S. Tahara, H. Kawamoto, S. Nakamura, and Y. Fujino,
    "Numerical study of blood flows influenced by a thick-strut stent implanted in left coronary artery bifurcation area,"
    In: Proceedings of 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society,
    Honolulu, HI, USA, Jul. 17-21 (2018), #3333, FrPos-28.37.

  86. T. Tsukahara, S. Inoue, S. Jakirlić, and Y. Kawaguchi,
    "Reynolds stress model for drag-reducing viscoelastic turbulent flow: a simple model for non-linear term in averaged constitutive equation,"
    In: Proceedings of the 6th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Chennai, India, Dec. 10-13 (2017), #177, 6 pages.

  87. K. Fukudome, T. Tsukahara, and Y. Ogami,
    "Heat and momentum transfer of the turbulent stripes in plane Couette flows for transitional region,"
    In: Proceedings of the 6th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Chennai, India, Dec. 10-13 (2017), #263, 4 pages.

  88. K. Yamasaki, T. Tsukahara, and I. Ueno,
    "Direct numerical simulation of thermocapillary-driven flow in a free liquid film with considering surface deformation,"
    In: Proceedings of the 6th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Chennai, India, Dec. 10-13 (2017), #129, 6 pages.

  89. K. Nitta, M. Muto, K. Yamamoto, M. Motosuke, and T. Tsukahara,
    "Two-dimensional direct numerical simulation of driving liquid column with photoresponsive surfactant,"
    In: Proceedings of the 6th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Chennai, India, Dec. 10-13 (2017), #119, 6 pages.

  90. R. Tanaka and T. Tsukahara,
    "DNS of Taylor-Couette flow between counter-rotating cylinders with low radius ratio: Re-dependence and η-dependence,"
    In: Proceedings of the 6th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Chennai, India, Dec. 10-13 (2017), #114, 6 pages.

  91. T. Tsukahara,
    "Numerical study on spatiotemporally intermittent arrangement of laminar-turbulent coexistence as a DP stochastic process,"
    In: Abstract of International Symposium on Fluctuation and Structure out of Equilibrium 2017 (SFS2017),
    Sendai, Japan, Nov. 20-23 (2017), PB116.

  92. T. Tsukahara, T. Ishida, G. Brethouwer, Y. Duguet,
    "Laminar-turbulent pattern in plane Couette flow with one roughened wall,"
    In: Proceedings of the Ninth JSME-KSME Thermal and Fluids Engineering Conference,
    Okinawa, Japan, Oct. 27-30 (2017), TFEC9-1640 (USB), 5 pp.

  93. K. Fukudome, T. Tsukahara, Y. Ogami,
    "Heat transfer and flow structure of the turbulent stripes in plane Couette flows for transitional region,"
    In: Proceedings of the Ninth JSME-KSME Thermal and Fluids Engineering Conference,
    Okinawa, Japan, Oct. 27-30 (2017), TFEC9-1520 (USB), 4 pp.

  94. Y. Akechi, Y. Yamada, T. Osawa, T. Tsukahara, Y. Hasegawa,
    "PIV measurement of viscoelastic fluid flow behind a cylinder in a rectangular duct,"
    In: Proceedings of the Ninth JSME-KSME Thermal and Fluids Engineering Conference,
    Okinawa, Japan, Oct. 27-30 (2017), TFEC9-1112 (USB), 5 pp.

  95. Y. Yamada, T. Tsukahara, Y. Hasegawa,
    "DNS study of viscoelastic flow past a confined cylinder,"
    In: Proceedings of the Ninth JSME-KSME Thermal and Fluids Engineering Conference,
    Okinawa, Japan, Oct. 27-30 (2017), TFEC9-1101 (USB), 5 pp.

  96. K. Takagi, T. Tsukahara, T. Osawa, Y. Hasegawa,
    "Experimental observation of micro particle assembly inside evaporating water-ethanol sessile droplet,"
    In: Proceedings of the Ninth JSME-KSME Thermal and Fluids Engineering Conference,
    Okinawa, Japan, Oct. 27-30 (2017), TFEC9-1075 (USB), 5 pp.

  97. T. Tsukahara, T. Ishida,
    "Robustness and universality of turbulent stripe,"
    In: Proceedings of the 61st Workshop on Investigation and Control of Transition to Turbulence,
    Chofu, Japan, Sep. 20-22 (2017), (1 page).

  98. S. Inooka, T. Tsukahara,
    "DNS study on Reynolds-number dependence of spot growth to oblique turbulent band in plane Poiseuille flow,"
    In: Abstracts of the 16th EUROMECH European Turbulence Conference,
    Stockholm, Sweden, Aug. 21-24 (2017), No. 29564 (1 page).

  99. T. Nimura, T. Tsukahara,
    "Turbulent band in rotating plane Couette flow of viscoelastic fluid,"
    In: Abstracts of the 16th EUROMECH European Turbulence Conference,
    Stockholm, Sweden, Aug. 21-24 (2017), No. 29570 (1 page).

  100. T. Nimura, T. Tsukahara,
    "Viscoelastic effect on roll cells in rotating plane Couette flow,"
    The 7th International Symposium Bifurcations and Instabilities in Fluid Dynamics,
    The Woodlands, TX, USA, Jul. 11-14 (2017).

  101. D. Kondo, L. Mu, M. Inoue, H. Himeda, T. Tsukahara, H. Yoshikawa, F.. Zoueshtiagh, I. Ueno,
    "Acceleration of macroscopic contact line of droplet spreading on a substrate after interaction with particle,"
    11th Asian Microgravity Symposium,
    Sapporo, Japan, Oct. 25-29 (2016).

  102. K. Takagi, T. Tsukahara, T. Osawa, Y. Hasegawa,
    "Confocal-microscope measurement of spatio-temporal distribution of micro particles in drop evaporation process,"
    The 5th International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2016),
    XJTU, Xi'an, China, Dec. 9-10 (2016).

  103. Y. Yamada, T. Tsukahara, Y. Hasegawa,
    "DNS study of viscoelastic fluid past a confined cylinder,"
    The 5th International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2016),
    XJTU, Xi'an, China, Dec. 9-10 (2016).

  104. T. Ishida, T. Tsukahara, and S. Inooka,
    "Investigating the lower critical Reynolds number focusing on the turbulent spot and stripe at plane channel flow,"
    In: Abstracts of 11th European Fluid Mechanics Conference (EFMC11),
    Seville, Spain, Sep. 12-16 (2016), #429.

  105. K. Kunii, T. Ishida, and T. Tsukahara,
    "Helical turbulence and puff in transitional sliding Couette flow,"
    In: Abstract of 24th International Congress of Theoretical Applied Mechanics (ICTAM2016),
    Montreal, Canada, Aug. 21-26 (2016), pp. 929-930.

  106. Q.-Q. Shao, Y.-H. Zhang, T. Tsukahara, and Y. Kawaguchi,
    "Study on the diffusion distance-dependent characteristics of passive scalar plumes in turbulent shear flow,"
    In: Proceedings of 9th International Symposium on Heat Transfer (ISHT-9),
    Beijing, China, Aug. 15-19 (2016).

  107. K. Kunii, T. Ishida, T. Tsukahara,
    "DNS study of transitional sliding Couette flow,"
    The 4th International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2016),
    TUS, Chiba, Japan, Aug. 8 (2016).

  108. K. Kunii, T. Ishida, T. Tsukahara,
    "Transitional structures in sliding Couette flow with full and hypothetical circumference,"
    International Symposium on Near-Wall Flows: Transition and Turbulence (RIMS International Project Research 2016: Fluid Dynamics of Near-Wall Turbulence),
    Kyoto University, Kyoto, Japan, Jun. 20-22 (2016).

  109. K. Fukudome, T. Tsukahara, Y. Ogami,
    "Turbulent stripe pattern in Poiseuille flow at transitional region,"
    International Symposium on Near-Wall Flows: Transition and Turbulence (RIMS International Project Research 2016: Fluid Dynamics of Near-Wall Turbulence),
    Kyoto University, Kyoto, Japan, Jun. 20-22 (2016).

  110. N. Kazuno, T. Tsukahara, and M. Motosuke,
    "DNS study of a small droplet driven by the thermal Marangoni effect,"
    In: Abstract of 8th Conference of the International Marangoni Association (IMA8),
    Bad Honnef, Germany, Jun. 12-16 (2016), p. 55.

  111. M. Inoue, N. Kazuno, L.Z. Mu, D. Kondo, T. Tsukahara, T. Kaneko, F. Zoueshtiagh, and I. Ueno,
    "Direct numerical simulation of dynamic behavior of liquid-gas interface after interaction with particle,"
    In: Abstract of 8th Conference of the International Marangoni Association (IMA8),
    Bad Honnef, Germany, Jun. 12-16 (2016), p. 49.

  112. S. Hara, R. Ii, T. Tsukahara, and Y. Kawaguchi,
    "Heat transfer enhancement caused by the meandering motion appearing in the backward-facing step flow with surfactant additives in high Reynolds number,"
    In: Proceedings of the First Pacific-Rim Thermal Engineering Conference (PRTEC),
    Hawaii's Big Island, USA, Mar. 13-17 (2016), PRTEC-14998, 5 pages.

  113. M. Endo, Q.-Q. Shao, T. Tsukahara, and Y. Kawaguchi,
    "Study on the diffusion mechanism and the formation process of the high concentration pulse in material turbulent diffusion with the conditional sampling technique,"
    In: Proceedings of the First Pacific-Rim Thermal Engineering Conference (PRTEC),
    Hawaii's Big Island, USA, Mar. 13-17 (2016), PRTEC-15123, 5 pages.

  114. T. Tsukahara,
    "A stochastic study of the disturbance growth to a turbulent band,"
    JSPS-CNRS Workshop on Transition to Turbulence 2016,
    ESPCI, France, Mar. 2-3 (2016).

  115. T. Ishida, G. Brethouwer, Y. Duguet, and T. Tsukahara,
    "Turbulent transition in plane Couette flow with roughness,"
    JSPS-CNRS Workshop on Transition to Turbulence 2016,
    ESPCI, France, Mar. 2-3 (2016).

  116. T. Tsukahara
    "DNS study on rotating plane Couette flow of viscoelastic fluid,"
    Minisymposium TUS-TUW,
    Wien, Austria, Jan. 15-19 (2016).

  117. Y. Kawaguchi, T. Tsukahara
    "Modification of coherent eddy structure near the wall by polymer dosing from the wall,"
    The 3rd International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2015),
    XJTU, Xi'an, China, Dec. 6-8 (2015).

  118. A. Ikegami, T. Tsukahara, Y. Kawaguchi
    "Influence of viscoelasticity on turbulent flow over a backward-facing step at low Reynolds number,"
    The 3rd International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2015),
    XJTU, Xi'an, China, Dec. 6-8 (2015).

  119. S. Inoue, T. Tsukahara, Y. Kawaguchi
    "A Reynolds-stress model for turbulent channel flow of a drag reducing viscoelastic fluid,"
    The 3rd International Workshop on Fluid Flow, Heat Transfer and Turbulent Drag Reduction (IWFHT2015),
    XJTU, Xi'an, China, Dec. 6-8 (2015).

  120. T. Ishihara, K. Iwamoto, H. Mamori, Y. Kawaguchi, T. Tsukahara, T. Tamura,
    "Computational science of turbulence in atmospheric boundary layers",
    Annual Report of the Earth Simulator Center April 2014 - March 2015, Japan Agency for Marine-Earth Science and Technology (JAMSTEC) (2015), pp. 113-117.

  121. W. Sekiguchi, D. Cerizza, T. Tsukahara, and Y. Hasegawa,
    "Estimation of scalar source strength based on sensor information by adjoint analysis in turbulence,"
    In: Proceedings of the 5th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Busan, Korea, Nov. 22-25 (2015), ASCHT15-Mon04-013, 5 pages.

  122. N. Kazuno, Y. Miyazaki, T. Tsukahara, and I. Ueno,
    "Numerical study on dynamics behavior of contact line moving on small-particle surface,"
    In: Proceedings of the 5th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Busan, Korea, Nov. 22-25 (2015), ASCHT15-Mon07-004, 5 pages.

  123. S. Inoue, T. Tsukahara, S. Jakirlić, and Y. Kawaguchi,
    "A Reynolds-stress model for turbulent flow of a drag-reducing viscoelastic fluid,"
    In: Proceedings of the 5th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Busan, Korea, Nov. 22-25 (2015), ASCHT15-Wed02-004, 5 pages.

  124. H. Tatematsu, T. Ishida, and T. Tsukahara,
    "Structures in laminar plane Couette flows destabilized by system rotation,"
    In: Proceedings of the 5th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Busan, Korea, Nov. 22-25 (2015), ASCHT15-Mon05-007, 5 pages.

  125. A. Ikegami, T. Tsukahara, and Y. Kawaguchi,
    "Viscoelastic stress field in turbulent flow behind backward-facing step,"
    In: Proceedings of the 5th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Busan, Korea, Nov. 22-25 (2015), ASCHT15-Mon04-006, 4 pages.

  126. T. Ishida and T. Tsukahara,
    "Turbulent annular pipe flow in subcritical transition regime: Numerical study on heat transfer,"
    In: Proceedings of the 5th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Busan, Korea, Nov. 22-25 (2015), ASCHT15-Mon04-009, 4 pages.

  127. Z. Fu, T. Tsukahara, and Y. Kawaguchi,
    "Diffusion of the injected viscoelastic polymer solution in a channel flow associated with evolution of eddy structure,"
    In: Proceedings of International Symposium on Rheology,
    Kobe, Japan, Sept. 23-25, (2015), 2 pages.

  128. D. Cerizza, W. Sekiguchi, T. Tsukahara, and Y. Hasegawa,
    "Reconstruction of time-varying scalar source intensity based on sensing signal in turbulent channel flow,"
    In: Proceedings of the 8th International Symposium on Turbulence, Heat and Mass Transfer,
    Sarajevo, Bosnia and Herzegovina, Sep. 15-18 (2015).

  129. K. Watanabe, Y. Kaiho, S. Hara, T. Tsukahara, and Y. Kawaguchi,
    "Temperature fluctuation appearing in bilayered thermal boundary in drag-reducing surfactant solution flow,"
    In: Proceedings of the 8th International Symposium on Turbulence, Heat and Mass Transfer,
    Sarajevo, Bosnia and Herzegovina, Sep. 15-18 (2015).

  130. S. Hara, R. Ii, T. Tsukahara, and Y. Kawaguchi,
    "Analysis of organized turbulent structure by pattern recognition technique in drag-reducing surfactant solution flow in a channel,"
    In: Proceedings of the 8th International Symposium on Turbulence, Heat and Mass Transfer,
    Sarajevo, Bosnia and Herzegovina, Sep. 15-18 (2015).

  131. T. Ishida, T. Tsukahara,
    "Turbulent annular pipe flow in subcritical transition regime: effect of radius ratio on structures,"
    In: Proceedings of the 15th EUROMECH European Turbulence Conference,
    Delft, The Netherlands, Aug. 25-28 (2015), No. 82 (2 pages).

  132. T. Ishida and T. Tsukahara,
    "Turbulent annular pipe flow in subcritical transition regime: Direct numerical simulation of a large domain,"
    In: Proceedings of the ASME-JSME-KSME Joint Fluids Engineering Conference 2015,
    Seoul, Korea, July 26-31 (2015), AJKFluids2015-15472, 4 pages.

  133. M. Endo, T. Tsukahara, and Y. Kawaguchi,
    "Relationship between diffusing-material lumps and organized structures in turbulent flow,"
    In: Proceedings of the ASME-JSME-KSME Joint Fluids Engineering Conference 2015,
    Seoul, Korea, July 26-31 (2015), AJKFluids2015-24432, 7 pages.

  134. A. Ikegami, T. Tsukahara, and Y. Kawaguchi,
    "Influence of viscoelasticity on turbulent flow over a backward-facing step,"
    In: Proceedings of the ASME-JSME-KSME Joint Fluids Engineering Conference 2015,
    Seoul, Korea, July 26-31 (2015), AJKFluids2015-25251, 4 pages.

  135. H. Sugioka, Z. Fu, T. Tsukahara, and Y. Kawaguchi,
    "PIV-PLIF experiment on modification of turbulent scalar diffusion near wall by uniform blowing,"
    In: Proceedings of the ASME-JSME-KSME Joint Fluids Engineering Conference 2015,
    Seoul, Korea, July 26-31 (2015), AJKFluids2015-25431, 6 pages.

  136. Y. Kawaguchi and T. Tsukahara,
    "Modification of coherent eddy structure near the wall by polymer dosing from the wall,"
    In: Proceedings of the ASME-JSME-KSME Joint Fluids Engineering Conference 2015,
    Seoul, Korea, July 26-31 (2015), AJKFluids2015-25817, 1 pages.

  137. Y. Sugawara, T. Tsukahara, and Y. Kawaguchi,
    "Multidimensional measurements of turbulent boundary layer including scattered particles using PIV technique,"
    In: Proceedings of the ASME-JSME-KSME Joint Fluids Engineering Conference 2015,
    Seoul, Korea, July 26-31 (2015), AJKFluids2015-32390, 6 pages.

  138. T. Ishida and T. Tsukahara,
    "Turbulent annular pipe flow in subcritical transition regime: Occurence of helical turbulent band,"
    In: Abstract of the 6th International Symposium on Bifurcations and Instabilities in Fluid Dynamics,
    Paris, France, July 15-17 (2015), p. 349.

  139. T. Ishida and T. Tsukahara,
    "Numerical investigation of high rotation effects on laminar flow in rotating plane Couette flow,"
    In: Abstract of the 19th International Couette-Taylor Workshop,
    Cottbus, Germany, June 22-24 (2015), pp. 52-53.

  140. T. Tsukahara
    "DNS on micro-scale multiphase flows: controls of contact line and droplet,"
    Minisymposium TUS-TUW,
    Wien, Austria, Mar. 13 (2015).

  141. T. Tsukahara,
    "Finite vs infinite band in transitional channel flows,"
    JSPS-CNRS Workshop on Transition to Turbulence,
    ESPCI, France, Mar. 2-3 (2015).

  142. T. Ishida and T. Tsukahara,
    "Subcritical transition regime in annular Poiseuille flow with various radius ratio,"
    JSPS-CNRS Workshop on Transition to Turbulence,
    ESPCI, France, Mar. 2-3 (2015).

  143. T. Ishida and T. Tsukahara,
    "Critical Reynolds number for global instability of channel flow in subcritical scenario,"
    67th Annual Meeting of the Division of Fluid Dynamics,
    San Francisco, CA, USA, Nov. 23-25 (2014).

  144. Y. Miyazaki, T. Tsukahara, and I. Ueno,
    "Numerical study of dynamic behavior of contact line approaching a micro-scale particle,"
    67th Annual Meeting of the Division of Fluid Dynamics,
    San Francisco, CA, USA, Nov. 23-25 (2014).

  145. J. Hasegawa, T. Tsukahara, and Y. Kawaguchi,
    "Extraction of characteristic quantities of turbulent diffusion towards the source estimation,"
    In: Proceedings of the 25th International Symposium on Transport Phenomena,
    Krabi, Thailand, Nov. 5-7 (2014), 6 pages.

  146. R. Ikeno, T. Tsukahara, and Y. Kawaguchi,
    "DNS study of influences of roughness shapes and parameters on friction coefficient,"
    In: Proceedings of the 25th International Symposium on Transport Phenomena,
    Krabi, Thailand, Nov. 5-7 (2014), 5 pages.

  147. T. Ishihara, K. Iwamoto, H. Mamori, T. Tamura, Y. Kawaguchi, T. Tsukahara,
    "Computational science of turbulence in atmospheric boundary layers",
    Annual Report of the Earth Simulator Center April 2013 - March 2014, Japan Agency for Marine-Earth Science and Technology (JAMSTEC) (2014), pp. 127-131.

  148. T. Tsukahara,
    "Viscoelastic and elasto-inertial turbulence in roughened/smooth channel flow,"
    KTH Mechanics Seminars,
    KTH, Stockholm, Sweden, Sep. 22 (2014).

  149. T. Tsukahara,
    "Numerical study on the transition to/from turbulence in channel flows,"
    2014 SKKU-TUS Mechanical Engineering Workshop,
    Seoul, Korea, May 22 (2014).

  150. T. Tsukahara and T. Ishida,
    "The lower bound of subcritical transition in plane Poiseuille flow,"
    Euromech Colloquium EC565 – Subcritical Transition to Turbulence,
    Corsica, France, May 6-9 (2014).

  151. Y. Miyazaki and T. Tsukahara
    "Simulations of liquid/solid and liquid/air two-phase flows using IBM and VOF,"
    Minisymposium TUS-TUW,
    Wien, Austria, Dec. 10-13 (2013).

  152. R. Ikeno, T. Tsukahara and Y. Kawaguchi,
    "Effects of three-dimensional prisms on Taylor-Couette flow,"
    In: Proceedings of the 12th International Symposium on Fluid Control, Measurements, and Visualization,
    Nara, Japan, Nov. 18-23 (2013), OS16-1-2, 8 pages.

  153. T. Tsukahara and Y. Kawaguchi,
    "Flow visualization experiment on elasto-inertial turbulence in transitional channel flow,"
    In: Proceedings of the 12th International Symposium on Fluid Control, Measurements, and Visualization,
    Nara, Japan, Nov. 18-23 (2013), OS8-4-3, 6 pages.

  154. M. Tanabe, T. Tsukahara and Y. Kawaguchi,
    "DNS study on vortices induced by flat-plate vortex generator in drag-reducing turbulent flow,"
    In: Proceedings of the 12th International Symposium on Fluid Control, Measurements, and Visualization,
    Nara, Japan, Nov. 18-23 (2013), OS8-4-4, 8 pages.

  155. J. Hasegawa, K. Oyagi, T. Tsukahara, and Y. Kawaguchi,
    "DNS of turbulent diffusion towards the estimation of emission source,"
    In: Proceedings of the 24th International Symposium on Transport Phenomena,
    Yamaguchi, Japan, Nov. 1-5 (2013), 4 pages.

  156. K. Sugiyama, K. Otakeguchi, T. Tsukahara, and Y. Kawaguchi,
    "Investigation of turbulent modulation in horizontal particle laden boundary-layer gas flow by using PIV,"
    In: Proceedings of the 24th International Symposium on Transport Phenomena,
    Yamaguchi, Japan, Nov. 1-5 (2013), 5 pages.

  157. T. Ishihara, Y. Kaneda, K. Iwamoto, T. Tamura, Y. Kawaguchi, T. Tsukahara,
    "Direct numerical simulations of fundamental turbulent flows with the world's largest number of grid-points and application to modeling of engineering turbulent flows",
    Annual Report of the Earth Simulator Center April 2012 - March 2013, Japan Agency for Marine-Earth Science and Technology (JAMSTEC) (2013), pp. 149-154.

  158. T. Tsukahara, T. Ishida, and Y. Duguet,
    " Turbulent-spot development in constant-mass-flux channel flow,"
    In: Abstracts of the 14th EUROMECH European Turbulence Conference,
    Lyon, France, Sep. 1-4 (2013), 2 pages.

  159. T. Ishida, T. Tsukahara, and Y. Kawaguchi,
    "Relationship between statistics and turbulent structures in rotating plane Poiseuille flow,"
    In: Abstracts of the 14th EUROMECH European Turbulence Conference,
    Lyon, France, Sep. 1-4 (2013), 2 pages.

  160. T. Minegishi, T. Tsukahara, and Y. Kawaguchi,
    "Budget of constitutive stress in viscoelastic turbulent channel flow by DNS,"
    In: Proceedings of the 4th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Hong Kong, Jun. 3-6 (2013), ASCHT0168 (CD-ROM), 6 pages.

  161. M. Takahashi, T. Tsukahara, and Y. Kawaguchi,
    "Improvement of low Reynolds number k-ε model for viscoelastic fluid flow,"
    In: Proceedings of the 4th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Hong Kong, Jun. 3-6 (2013), ASCHT0167 (CD-ROM), 6 pages.

  162. Y. Miyazaki, T. Tsukahara, and Y. Kawaguchi,
    "Four-way coupling simulation of particle-laden two-phase flow by immersed boundary method,"
    In: Proceedings of the 4th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Hong Kong, Jun. 3-6 (2013), ASCHT0166 (CD-ROM), 5 pages.

  163. T. Ishida, T. Tsukahara, and Y. Kawaguchi,
    "Alterations of large-scale structures in transitional rotating plane Poiseuille flow,"
    In: Proceedings of the 4th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Hong Kong, Jun. 3-6 (2013), ASCHT0143 (CD-ROM), 6 pages.

  164. M. Tanabe, T. Tsukahara, and Y. Kawaguchi,
    "Viscoelastic turbulent channel flow obstructed with three-dimensional finite ribs,"
    In: Proceedings of the 4th Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Hong Kong, Jun. 3-6 (2013), ASCHT0141 (CD-ROM), 8 pages.

  165. T. Tsukahara,
    "Flow regimes in transition of plane Poiseuille flow,"
    France-Japan SAKURA Meeting,
    LadHyX, France, Mar. 1 (2013).

  166. Y. Kaneda, T. Ishihara, K. Iwamoto, T. Tamura, Y. Kawaguchi, T. Tsukahara,
    "Direct numerical simulations of fundamental turbulent flows with the world's largest number of grid-points and application to modeling of engineering turbulent flows",
    Annual Report of the Earth Simulator Center April 2011 - March 2012, Japan Agency for Marine-Earth Science and Technology (JAMSTEC) (2012), pp. 141-146.

  167. T. Tsukahara, Y. Ishigami, and Y. Kawaguchi,
    "Modulation of Taylor vortex in turbulent Taylor-Couette flow over roughened inner-cylinder surface,"
    In: Proceedings of the 23rd International Symposium on Transport Phenomena,
    Auckland, New Zealand, Nov. 19-22 (2012), #273 (USB), 5 pp.

  168. K. Sugiyama, K. Otakeguchi, F.S. Yang, T. Tsukahara, and Y. Kawaguchi,
    "Experimental study on the critical friction velocity for wind-blown sand with high-speed visualization and PIV measurement,"
    In: Proceedings of the 23rd International Symposium on Transport Phenomena,
    Auckland, New Zealand, Nov. 19-22 (2012), #228 (USB), 4 pp.

  169. T. Tsukahara and Y. Kawaguchi,
    "Turbulent flow of viscoelastic fluid through complicated geometry,"
    In: Viscoelasticity—From Theory to Biological Applications (ed. J. de Vicente), InTech, November (2012), ISBN 978-953-51-0841-2, pp. 33-58.
    [Online Book (Free)]

  170. F.-S. Yang, D. Aoshima, K. Otakeguchi, T. Tsukahara, and Y. Kawaguchi,
    "Experimental study on the local turbulence modulation in a horizontal particle laden flow with rigid fence,"
    AIP Conference Proceedings, vol. 1547,
    In: Proceedings of 7th International Symposium on Multiphase Flow, Heat Mass Transfer and Energy Conversion,
    Xi'an, China, Oct. 26-30 (2012), 10 pp.

  171. T. Tsukahara,
    "Turbulence stripe in rotating channel flow,"
    France-Japan Workshop on Subcritical Transition to Turbulence,
    Osaka University, Osaka, Japan, Oct. 18 (2012).

  172. M. Tanabe, T. Tsukahara, and Y. Kawaguchi,
    "DNS of viscoelastic turbulent channel flow with three-dimensional finite ribs,"
    In: Proceedings of JSME-CMD International Computational Mechanics Symposium 2012,
    Kobe, Japan, Oct. 9-11 (2012), MS6-2-3 (USB), 2 pp.

  173. K. Otakeguchi, D. Aoshima, K. Sugiyama, F.-S. Yang, T. Tsukahara, and Y. Kawaguchi,
    "PIV experiment on gas-solid multiphase flow relevant to wind-blown sand: simultaneous measurement of near-wall turbulent motions and instantaneous relative velocity,"
    In: Proceedings of 16th International Symposium on Applications of Laser Techniques to Fluid Mechanics,
    Lisbon, Portugal, July 9-12 (2012), 1.15.2 (On line), 10 pp.

  174. F.-S. Yang, K. Otakeguchi, D. Aoshima, T. Tsukahara, and Y. Kawaguchi,
    "Investigation on ascending and descending motion statistics of sand particles in turbulent air flow by PTV method,"
    In: Proceedings of 16th International Symposium on Applications of Laser Techniques to Fluid Mechanics,
    Lisbon, Portugal, July 9-12 (2012), 1.11.4 (On line), 12 pp.

  175. M. Ishikawa, T. Tsukahara, M. Motozawa, K. Iwamoto, H. Kawashima, and Y. Kawaguchi,
    "Direct numerical simulation of turbulent Taylor-Couette flow with a roughened inner cylinder,"
    In: Proceedings of the Eighth KSME-JSME Thermal and Fluids Engineering Conference,
    Incheon, Korea, Mar. 18-21 (2012), GSF24-006 (USB), 4pp.

  176. T. Tsukahara,
    "On the transition to/from turbulence in channel flows,"
    Seminar on Mechanical Science and Bioengineering,
    Osaka University, Osaka, Japan, Nov. 18 (2011).

  177. Y. Kaneda, T. Ishihara, K. Iwamoto, T. Tamura, Y. Kawaguchi, T. Tsukahara,
    "Direct numerical simulations of fundamental turbulent flows with the world's largest number of grid-points and application to modeling of engineering turbulent flows",
    Annual Report of the Earth Simulator Center April 2010 - March 2011, Japan Agency for Marine-Earth Science and Technology (JAMSTEC) (2011), pp. 143-148.

  178. T. Tsukahara, T. Kawase, and Y. Kawaguchi,
    "Numerical investigation of viscoelastic effects on turbulent flow past rectangular orifice,"
    In: Proceedings of the 22nd International Symposium on Transport Phenomena,
    Delft, The Netherlands, Nov. 8-11 (2011), #129 (USB), 7pp.

  179. T. Kawase, T. Tsukahara, and Y. Kawaguchi,
    "A study of drag reduction and heat transfer reduction in turbulent channel flow with orifice,"
    In: Proceedings of the 22nd International Symposium on Transport Phenomena,
    Delft, The Netherlands, Nov. 8-11 (2011), #103 (USB), 10pp.

  180. T. Tsukahara and Y. Kawaguchi,
    "Turbulent heat transfer in drag-reducing channel flow of viscoelastic fluid,"
    In: Evaporation, Condensation and Heat transfer (ed. A. Ahsan), InTech, September (2011), ISBN 978-953-307-583-9, pp. 375-400.
    [Online Book (Free)]

  181. D. Tsurumi, T. Watanabe, M. Motozawa, T. Tsukahara, and Y. Kawaguchi,
    "PIV measurement of viscoelastic turbulent channel flow past orifice,"
    In: Proceedings of the Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Kyoto, Japan, Sep. 22-26 (2011), 4-1.2 (CD-ROM), 7pp.

  182. T. Tsukahara, H. Kawamoto, and Y. Kawaguchi,
    "Turbulence model for drag-reducing viscoelastic-fluid flow,"
    In: Proceedings of the Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Kyoto, Japan, Sep. 22-26 (2011), 4-1.4 (CD-ROM), 6pp.

  183. T. Kawase, T. Tsukahara, and Y. Kawaguchi,
    "Analysis of heat-transfer characteristic of viscoelastic turbulent channel flow with rectangular orifices,"
    In: Proceedings of the Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Kyoto, Japan, Sep. 22-26 (2011), 4-1.5 (CD-ROM), 5pp.

  184. T. Kawase, T. Tsukahara, and Y. Kawaguchi,
    "Parametric study of viscoelastic turbulence within an obstructed channel flow,"
    In: Proceedings of the ASME-JSME-KSME Joint Fluids Engineering Conference 2011,
    Hamamatsu, Japan, July 24-29 (2011), AJK2011-25019 (USB), 7 pp.

  185. K. Otakeguchi, D. Aoshima, Y. Sakamoto, T. Tsukahara, Y. Kawaguchi, and M. Yamamoto,
    "PIV Experiment on the gas-solid multiphase flow relevant to wind-blown sand: Comparison of velocity fields of sand particles and air flow by simultaneous measurement,"
    In: Proceedings of the ASME-JSME-KSME Joint Fluids Engineering Conference 2011,
    Hamamatsu, Japan, July 24-29 (2011), AJK2011-12017 (USB), 9 pp.

  186. D. Aoshima, K. Otakeguchi, Y. Sakamoto, T. Tsukahara, M. Yamamoto, and Y. Kawaguchi,
    "Simultaneous measurements of air and sand velocities in two-phase turbulent boundary layer over sand bed by PIV system,"
    In: Proceedings of the 9th International Symposium on Particle Image Velocimetry,
    Kobe, Japan, July 21-23 (2011), Paper-ID #273 (USB), 5 pp.

  187. D. Tsurumi, T. Watanabe, M. Motozawa, T. Tsukahara, and Y. Kawaguchi,
    "The lower asymmetricity in the turbulent viscoelastic fluid flow past orifice,"
    Ninth International Symposium on Particle Image Velocimetry - Poster Competition for Young Researchers,
    Kobe University, Kobe, Jul. 20 (2011).

  188. X. Wu, H. Aida, N. Washio, T. Tsukahara, Y. Kawaguchi, and B. Yu,
    "PIV experiment on the turbulent stripe in poiseuille channel flow at the transitional Reynolds number,"
    New trends in fluid mechanics research,
    Recent Progresses in Fluid Dynamics Research: Proceeding of the Sixth International Conference on Fluid Mechanics: AIP Conference Proceedings,
    Guangzhou, China, June 30-July 3 (2011), Vol. 1376, pp. 93-98.

  189. P.H. Alfredsson, N. Tillmark, and T. Tsukahara,
    "Spanwise rotation effects on shear flow,"
    EUromech Colloquium 525 – Instabilities and transition in three-dimensional flows with rotation,
    École centrale de Lyon, France, Jun. 21-23 (2011), pp. 23-24.

  190. T. Tsukahara, T. Ishigami, J. Kurano, and Y. Kawaguchi,
    "Influence of rheological parameters on turbulent heat transfer in drag-reducing viscoelastic channel flow,"
    In: Proceedings of 14th International Heat Transfer Conference,
    Washington DC, USA, Aug. 8-13 (2010), IHTC14-23138 (DVD), pp. 777-786.
    [Online Journal]

  191. S. Kaneko, T. Tsukahara, and Y. Kawaguchi,
    "DNS study of transitional channel flow accompanied by turbulent-stripe structures,"
    In: Proceedings of 3rd Joint US-European Fluids Engineering Summer Meeting,
    Montreal, Canada, Aug. 1-4 (2010), FEDSM/ICNMM2010-31122 (DVD), pp. 2141-2148.
    [Online Journal]

  192. D. Aoshima, I. Nakamura, Y. Sakamoto, T. Tsukahara, M. Yamamoto, and Y. Kawaguchi,
    "Wind tunnel experiments on how a porous fence affects flow and erosion on sand dune,"
    In: Proceedings of 3rd Joint US-European Fluids Engineering Summer Meeting,
    Montreal, Canada, Aug. 1-4 (2010), FEDSM/ICNMM2010-30957 (DVD), pp. 2837-2842.
    [Online Journal]

  193. H. Aida, T. Tsukahara, and Y. Kawaguchi,
    "DNS of turbulent spot developing into turbulent stripe in plane Poiseuille flow,"
    In: Proceedings of 3rd Joint US-European Fluids Engineering Summer Meeting,
    Montreal, Canada, Aug. 1-4 (2010), FEDSM/ICNMM2010-30956 (DVD), pp. 2125-2130.
    [Online Journal]

  194. Y. Sakamoto, D. Aoshima, I. Nakamura, T. Tsukahara, M. Yamamoto, and Y. Kawaguchi,
    "Visualization and laser measurements on flow field and sand movement on sand dune,"
    In: Proceedings of 15th International Symposium on Applications of Laser Techniques to Fluid Mechanics,
    Lisbon, Portugal, July 5-8 (2010), 1.10-5 (CD-ROM), 11 pp.

  195. Y. Kawaguchi and T. Tsukahara,
    "Numerical investigation of the drag-reduced turbulent flow of viscoelastic fluid by surfactant additives,"
    In: Proceedings of International Conference on Computational & Experimental Engineering and Sciences,
    Las Vegas, USA, Mar. 28 - Apr. 1 (2010), ICCES1020100106248 (CD-ROM), 6 pp. (Keynote).

  196. T. Ishigami, T. Tsukahara, and Y. Kawaguchi,
    "DNS of a drag-reducing viscoelastic turbulent flow with heat transfer,"
    In: Proceedings of the Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Jeju, Korea, Oct. 20-23 (2009), pp. 182-187.

  197. Y. Kawaguchi, T. Tsukahara, and M. Motozawa,
    "Experimental and numerical investigations of turbulent drag reduction phenomena by additives,"
    In: Proceedings of the Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Jeju, Korea, Oct. 20-23 (2009), pp. 23-32.

  198. Y. Sakamoto, S. Shimazu, T. Tsukahara, M. Yamamoto, and Y. Kawaguchi,
    "Control of sand movement on model dune by fence installation – Experimental study by visualization and LDV,"
    In: Proceedings of the Sixth International Symposium on Multiphase Flow, Heat Mass Transfer and Energy Conversion,
    Xi'an, China, Jul. 11-15 (2009), ET-01 (CD-ROM), 6 pp.
    [Online Journal]

  199. T. Tsukahara,
    "Turbulence stripe in plane channel flow,"
    RIMS Workshop, Mathematics and Physics across the Diversity of Turbulence Phenomena,
    The Kobe Institute, Kobe, Japan, Jul. 9-11 (2009).

  200. T. Tsukahara, Y. Kawaguchi, and H. Kawamura,
    "Turbulent stripe in direct numerical simulation of transitional channel flow,"
    61th Annual Meeting of the Division of Fluid Dynamics,
    San Antonio, TX, USA, Nov. 23-25 (2008).

  201. T. Tsukahara and H. Kawamura,
    "Study of turbulent mixing in a channel flow by numerical tracking of material surfaces,"
    In: Proceedings of the Seventh JSME-KSME Thermal and Fluids Engineering Conference,
    Sapporo, Japan, Oct. 13-16 (2008), K111 (CD-ROM), 4 pp.
    [PDF (0.7MB)]

  202. T. Tsukahara, A. Hasobe, Y. Kawaguchi, and H. Kawamura,
    "Study of turbulent puff in transitional channel flow with passive scalar transport,"
    In: Proceedings of the Second International Forum on Heat Transfer,
    Tokyo, Japan, Sep. 17-19 (2008), p. 28.

  203. T. Tsukahara, N. Tillmark, and P.H. Alfredsson,
    "Roll cells in turbulent plane Couette flow with system rotation,"
    In: Abstracts of Seventh European Fluid Mechanics Conference,
    Manchester, UK, Sep. 14-18 (2008), p. 343.
    [PDF (0.3MB)]

  204. T. Koyama, T. Tsukahara, L. Jiang, H. Kawamura, and Y. Ohnishi,
    "Numerical simulation of laboratory coupled shear-flow tests for rock fractures - comparative study on difference in using Reynolds and Navier-Stokes equations to simulate the fluid flow,"
    In: Thermo-hydromechanical and chemical coupling in geomaterials and applications,
    Proceedings of the Third International Symposium GeoProc 2008 (eds. J.F. Shao & B.N. Wiley),
    Lille, France, 2-6 June (2008), pp. 525-532.

  205. T. Tsukahara and H. Kawamura,
    "Turbulent heat transfer in a channel flow at transitional Reynolds numbers,"
    In: Proceedings of the First Asian Symposium on Computational Heat Transfer and Fluid Flow,
    Xi'an, China, Oct. 18-21 (2007), p. 62.
    [arXiv]

  206. S. Hane, T. Tsukahara, K. Iwamoto, and H. Kawamura,
    "DNS of turbulent heat transfer in plane Couette flow,"
    In: Proceedings of 13th International Heat Transfer Conference,
    Sydney, Australia, Aug. 13-18 (2006), TRB-21 (CD-ROM), 12 pp.
    [Online Journal]

  207. T. Tsukahara, K. Iwamoto, H. Kawamura, and D. Tochio,
    "Puff-like structures captured in DNS of the turbulent Poiseuille flow at low Reynolds numbers,"
    58th Annual Meeting of the Division of Fluid Dynamics,
    Chicago, IL, USA, Nov. 20-22 (2005).

  208. T. Tsukahara and H. Kawamura,
    "Puff-like structure captured in DNS of the turbulent Poiseuille flow at low Reynolds numbers,"
    Third International Workshop on Wall-Bounded Turbulent Flows,
    Chicago, IL, USA, Nov. 17-19 (2005).

  209. T. Tsukahara and H. Kawamura,
    "Large-scale structure of turbulent Couette flow with scalar-transport,"
    In: Proceedings of The Sixth KSME-JSME Thermal and Fluids Engineering Conference,
    Jeju, Korea, Mar. 20-23 (2005), CD-ROM.

  210. T. Tsukahara, Y. Seki, H. Kawamura, and D. Tochio,
    "DNS of turbulent heat transfer in a channel flow at very low Reynolds numbers,"
    In: Proceedings of the First International Forum on Heat Transfer,
    Kyoto, Japan, Nov. 24-26 (2004), pp. 195-196.

  211. T. Tsukahara and H. Kawamura,
    "Large-scale structure captured in DNS of turbulent Couette and Poiseuille flows,"
    Second International Workshop on Wall-Bounded Turbulent Flows,
    The Abdus Salam International Centre for Theoretical Physics (ICTP),
    Trieste, Italy, Nov. 2-5 (2004).

  212. T. Tsukahara, Y. Seki, H. Kawamura, and D. Tochio,
    "DNS of turbulent channel flow with very low Reynolds numbers,"
    In: Proceedings of The Sixth World Congress on Computational Mechanics in conjunction with Second Asian-Pacific Congress on Computational Mechanics,
    Beijing, China, Sep. 5-10 (2004), CD-ROM.

  213. H. Kawamura, T. Tsukahara, H. Abe, and Y. Matsuo,
    "Large-scale structures captured in DNS of turbulence channel flows,"
    In: Proceedings of The Sixth World Congress on Computational Mechanics in conjunction with Second Asian-Pacific Congress on Computational Mechanics,
    Beijing, China, Sep. 5-10 (2004), pp. 397-402.



Society
  • Member, Japan Society of Mechanical Engineers (JSME)
  • Member, Japan Society of Fluid Mechanics (JSFM)
  • Member, Heat Transfer Society of Japan (HTSJ)
  • Member, American Physical Society
  • Member, American Society of Mechanical Engineers

Journal Editor
  • Editorial Board Member: Advances in Mechanical Engineering, SAGE.
Refereeing (Journals)
  • Advances in Mechanical Engineering, SAGE [Editorial Board Member]
  • Computers and Fluids, Elsevier Ltd.
  • European Journal of Mechanics - B/Fluids, Elsevier Ltd.
  • Fluid Dynamics Research, Japan Society of Fluid Mechanics
  • International Journal of Heat and Fluid Flow, Elsevier Ltd.
  • Journal of Aerospace Engineering, American Society of Civil Engineers
  • Journal of Applied Geophysics, Elsevier Ltd.
  • Journal of Fluids Engineering, Transaction of the ASME, American Society of Mechanical Engineers
  • Journal of Fluids Mechanics, Cambridge University Press
  • Journal of Fluid Science and Technology, Japan Society of Mechanical Engineers
  • Journal of Turbulence
  • Nagare (in Japanese), Japan Society of Fluid Mechanics
  • Physics Letters A, Elsevier Ltd.
  • Physics of Fluids, AIP Publishing
  • Progress in Computational Fluid Dynamics, An International Journal, Inderscience Enterprises Ltd.
  • The Canadian Journal of Chemical Engineering, John Wiley & Sons, Inc.
  • Transactions of the JSME, Series B (in Japanese), Japan Society Mechanical Engineering