こばやし ひろみち

小林 宏充

Hiromichi KOBAYASHI
法学部
所員
  • 分野 :
    物理学
  • 専門 :
    流体力学、乱流、電磁流体力学
  • 学歴 :
    東京工業大学 大学院総合理工学研究科 創造エネルギー専攻(工学博士)
  • 所属学会 :
    日本物理学会、日本流体力学会、日本機械学会、日本電気学会、American Physical Society
  • 担当教科 :
    物理学(I):「身の回りの物理」、物理学(II):「オムニバス現代物理」、自然科学研究会(III,IV):「流れの物理」

研究・教育

Large Eddy Simulationにおける乱流のモデル化
電磁流体のコンピュータシミュレーション

一様等方性乱流中の渦構造
ガスタービンの燃料噴射口付近の渦構造
局所磁場をかけた液体金属ダクト流れの乱流構造

テーマ: 

乱流構造に着目したSGSモデル、複雑物体におけるLES、電磁流体中の乱流構造、超流動ヘリウム中の量子乱流と常流体乱流など

主要論文

  1. Inagaki, K., Kobayashi, H. (2023) Analysis of anisotropic subgrid-scale stress for coarse large-eddy simulation. Physical Review Fluids8, 104603 doi

  2. Nitta, K., Sakai, T., Muneoka, H., Shimizu, Y., Kobayashi, H., Terashima, K., Ito, T. (2024) Highly Reproducible Synthesis of Hollow Zirconia Particles via Atmospheric-Pressure Plasma Processing with Inkjet Droplets. Plasma Chemistry and Plasma Processing44:289–303 doi

  3. Hasebe, T., Sasaki, R., Fujino, T., Takana, H., Kobayashi, H.(2023) Experimental and theoretical analyses on power generation characteristics of co-axial MHD energy conversion device. Electrical Engineering in Japan216, e23446 doi

  4. Nitta, K., Muneoka, H., Shimizu, Y., Kobayashi, H.,, Terashima, T., Ito, T. (2023) Evaporation behavior of liquid microdroplets in atmospheric-pressure non-equilibrium plasma. Plasma Sources Science and Technology32, 055008 doi

  5. Tang, Y., Guo, W., Kobayashi, H., Yui, S., Tsubota, T., Kanai, T. (2023) Imaging quantized vortex rings in superfluid helium to evaluate quantum dissipation. Nature Communications14, 2941 doi

  6. Yui, S., Tang, Y., Guo, W., Kobayashi, H., Tsubota, M. (2022) Universal Anomalous Diffusion of Quantized Vortices in Ultraquantum Turbulence. Physical Review Letters129: 025301 (Editors' Suggestion) doi

  7. Inagaki, K., Kobayashi, H. (2022) Transport and modeling of subgrid-scale turbulent kinetic energy in channel flows. AIP Advances12: 045222 doi

  8. Hasegawa, H., Aoki, T., Kobayashi, H., Idomura, Y., Onodera, N. (2021) Tree Cutting Approach for Domain Partitioning on Forest-of-Octrees-based Block-structured Static Adaptive Mesh Refinement with Lattice Boltzmann Method. Parallel ComputingVol.108, 102851 doi

  9. Sasaki, R., Fujino, T., Takana, H., Kobayashi, H. (2021) Theoretical analysis of annular laminar flows with MHD interaction driven by rotating co-axial cylinder. Electron Comm JpnVol.104, No.2, pp.1-9 doi

  10. Inagaki, K., Kobayashi, H.(2020) Role of various scale-similarity models in stabilized mixed subgrid-scale model. Physics of Fluids 31: 075108 doi

  11. Yui, S., Kobayashi, H., Tsubota, M., Guo. W. (2020) Fully Coupled Two-Fluid Dynamics in Superfluid 4He: Anomalous Anisotropic Velocity Fluctuations in Counterflow. Physical Review Letters124: 155301 doi

  12. Klein, M, Ketterl, S., Engelmann, L., Kempf, A., Kobayashi, H.(2020) Regularised, parameter free scale similarity type models for Large Eddy Simulation. International Journal of Heat and Fluid Flow81: 108496 doi

  13. Kobayashi, H., Yui, S., Tsubota, M. (2019) Numerical Study on Entrance Length in Thermal Counterflow of Superfluid 4He. Journal of Low Temperature Physics196: 35-41 doi

  14. Kobayashi, H.(2018) Improvement of SGS model using scale-similarity model based on analysis of SGS force and SGS energy transfer. International Journal of Heat and Fluid Flow72: 329-336 doi

  15. Yui, S., Tsubota, M., Kobayashi, H.(2018) Three-Dimensional Coupled Dynamics of the Two-Fluid Model in Superfluid 4He: Deformed Velocity Profile of Normal Fluid in Thermal Counterflow. Physical Review Letters120: 155301 doi

  16. Kobayashi, H., Okuno, Y. (2016) Turbulent and Electrical Phenomena in a Liquid Metal MHD Energy Conversion Device under Various Load Conditions IEEJ Transactions on Power and Energy136: 773-778 doi

  17. Sugimoto N., Ishioka K., Kobayashi H., and Shimomura Y.(2015) Cyclone-anticyclone asymmetry in gravity wave radiation from a co-rotating vortex pair in rotating shallow water. Journal of Fluid Mechanics772: 80-106. doi

  18. Yoshizawa, A., Kobayashi, H., Sugimoto, N.,Yokoi, N., Shimomura, Y.(2013) A Reynolds-averaged turbulence modeling approach to the maintenance of the Venus superrotation. Geophysical & Astrophysical Fluid Dynamics107, 6: 614-639 doi

  19. Kobayashi, H., Shionoya, H., Okuno, Y. (2012) Turbulent duct flows in a liquid metal magnetohydrodynamic power generator. Journal of Fluid Mechanics713: 243-270 doi

  20. Kobayashi, H., Matsumoto, E., Fukushima, N., Tanahashi, M., Miyauchi, Ueda M. (2011) Statistical properties of the local structure of homogeneous isotropic turbulence and turbulent channel flows. Journal of Turbulence12 (11) : 1-16 doi

  21. Onodera, N., Aoki, T., Kobayashi, H.(2011) Large-Eddy Simulation of Turbulent Channel Flows with Conservative IDO Scheme. Journal of Computational Physics230 (14) : 5785-5805 doi

  22. Kobayashi H. (2008) Large eddy simulation of magnetohydrodynamic turbulent duct flows. Phys Fluids20: 015102 doi

  23. Kobayashi H., Ham F., Wu, X. (2008) Application of a local SGS model based on coherent structures to complex geometries. Int J Heat Fluid Flow29: 640- 653 doi

  24. Kobayashi, H.(2006) Large eddy simulation of magnetohydrodynamic turbulent channel flows with local subgrid-scale model based on coherent structures Phys. Fluids18: 045107 doi

  25. Kobayashi H.(2005) The subgrid-scale models based on coherent structures for rotating homogeneous turbulence and turbulent channel flow. Phys Fluids17: 045104 doi

  26. Kobayashi H., Shimomura Y.(2001) The Performance of Dynamic Subgrid-Scale Models in the Large Eddy Simulation of Rotating Homogeneous Turbulence. Phys Fluids 13: 2350-2360 doi

  27. Kobayashi H., Okuno Y., Kabashima S. (1998) Three-Dimensional Structures of MHD Flow in a Disk Generator. IEEE Trans Plasma Science26: 1526-1531 doi

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