• 509 Citations
  • 12 h-Index
19972020
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Research Output 1997 2020

  • 509 Citations
  • 12 h-Index
  • 36 Article
  • 10 Conference contribution
  • 3 Paper
  • 1 Conference article
2020

Regularized, parameter free scale similarity type models for Large Eddy Simulation

Klein, M., Ketterl, S., Engelmann, L., Kempf, A. & Kobayashi, H., 2020 Feb, In : International Journal of Heat and Fluid Flow. 81, 108496.

Research output: Contribution to journalArticle

Large eddy simulation
large eddy simulation
eddy viscosity
Tensors
liquid atomization
2019

Numerical study on chiral turbulence of rotating neutrino matter in supernovae

Kobayashi, H., Yamamoto, N. & Okuno, Y., 2019 Jan 1.

Research output: Contribution to conferencePaper

Explosions
explosion
Turbulence
turbulence
Vorticity

Numerical Study on Entrance Length in Thermal Counterflow of Superfluid 4 He

Kobayashi, H., Yui, S. & Tsubota, M., 2019 Jan 1, In : Journal of Low Temperature Physics.

Research output: Contribution to journalArticle

counterflow
entrances
friction
Friction
Fluids
2018
1 Citation (Scopus)
scale models
Energy transfer
energy transfer
Kinetic energy
Vortex flow
6 Citations (Scopus)
two fluid models
counterflow
velocity distribution
turbulence
vortex filaments
2016
Magnetohydrodynamics
Liquid metals
Energy conversion
Lorentz force
Turbulence
2015
1 Citation (Scopus)

Analyses on response of a liquid metal MHD power generation system to various external inputs

Hu, L., Kobayashi, H. & Okuno, Y., 2015 May 1, In : IEEJ Transactions on Electrical and Electronic Engineering. 10, 3, p. 268-273 6 p.

Research output: Contribution to journalArticle

Magnetohydrodynamic power generation
Liquid metals
Pistons
Water waves
Magnetic flux
4 Citations (Scopus)
anticyclones
cyclones
Gravity waves
shallow water
gravity waves
2014
20 Citations (Scopus)

Direct numerical simulation and large eddy simulation on a turbulent wall-bounded flow using lattice Boltzmann method and multiple GPUs

Wang, X., Shangguan, Y., Onodera, N., Kobayashi, H. & Aoki, T., 2014, In : Mathematical Problems in Engineering. 2014, 742432.

Research output: Contribution to journalArticle

Wall flow
Large Eddy Simulation
Lattice Boltzmann Method
Direct numerical simulation
Large eddy simulation
1 Citation (Scopus)

Influence of working fluid characteristics on the performance of a liquid metal magnetohydrodynamic generator

Hu, L., Kobayashi, H. & Okuno, Y., 2014, In : IEEJ Transactions on Power and Energy. 134, 12, p. 973-979 7 p.

Research output: Contribution to journalArticle

Magnetohydrodynamic converters
Liquid metals
Fluids
Electrodes
Magnetohydrodynamics
3 Citations (Scopus)

Performance of a liquid metal MHD power generation system for various external forces

Hu, L., Kobayashi, H. & Okuno, Y., 2014, 12th International Energy Conversion Engineering Conference, IECEC 2014. American Institute of Aeronautics and Astronautics Inc.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Magnetohydrodynamic power generation
Liquid metals
Pistons
Magnetohydrodynamics
Fluids
2013
1 Citation (Scopus)

A Reynolds-averaged turbulence modelling approach to the maintenance of the Venus superrotation

Yoshizawa, A., Kobayashi, H., Sugimoto, N., Yokoi, N. & Shimomura, Y., 2013 Dec, In : Geophysical and Astrophysical Fluid Dynamics. 107, 6, p. 614-639 26 p.

Research output: Contribution to journalArticle

superrotation
Venus (planet)
Venus
maintenance
Turbulence
2012

Large eddy simulation of turbulent transfer in MHD duct flows with strong sidewall jets

Kobayashi, H. & Okuno, Y., 2012 Jan 1, In : Proceedings of the International Symposium on Turbulence, Heat and Mass Transfer. 2012-September, p. 2222-2232 11 p.

Research output: Contribution to journalConference article

Large eddy simulation
Ducts
Magnetic flux
Magnetic fields
Electric currents
7 Citations (Scopus)

Turbulent duct flows in a liquid metal magnetohydrodynamic power generator

Kobayashi, H., Shionoya, H. & Okuno, Y., 2012 Dec 25, In : Journal of Fluid Mechanics. 713, p. 243-270 28 p.

Research output: Contribution to journalArticle

electric generators
Magnetohydrodynamics
liquid metals
Liquid metals
ducts
2011
2 Citations (Scopus)

Influence of non-uniform magnetic flux density on turbulent MHD flows in a liquid metal MHD power generator

Kobayashi, H., Shionoya, H. & Okuno, Y., 2011, 42nd AIAA Plasmadynamics and Lasers Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

electric generators
Magnetic flux
Magnetohydrodynamics
liquid metals
Liquid metals
7 Citations (Scopus)

Large-eddy simulation of turbulent channel flows with conservative IDO scheme

Onodera, N., Aoki, T. & Kobayashi, H., 2011 Jun 20, In : Journal of Computational Physics. 230, 14, p. 5787-5805 19 p.

Research output: Contribution to journalArticle

Large eddy simulation
large eddy simulation
channel flow
Channel flow
Model structures

Large eddy simulation of turbulent duct flows in a liquid metal mhd generator with non-uniform magnetic field

Kobayashi, H., Shionoya, H. & Okuno, Y., 2011 Jan 1.

Research output: Contribution to conferencePaper

Large eddy simulation
Liquid metals
Ducts
Lorentz force
Magnetic flux
5 Citations (Scopus)

Numerical study on turbulent flows in a liquid metal MHD generator

Shionoya, H., Kobayashi, H. & Okuno, Y., 2011, 42nd AIAA Plasmadynamics and Lasers Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gas generators
Magnetic flux
liquid metals
Liquid metals
ducts
1 Citation (Scopus)

Statistical properties of the local structure of homogeneous isotropic turbulence and turbulent channel flows

Kobayashi, H., Matsumoto, E., Fukushima, N., Tanahashi, M. & Miyauchi, T., 2011, In : Journal of Turbulence. 12, p. 1-16 16 p., N11.

Research output: Contribution to journalArticle

homogeneous turbulence
isotropic turbulence
channel flow
Channel flow
Reynolds number
2009

Statistical properties of a coherent structure function for homogeneous isotropic turbulence and turbulent channel flows

Kobayashi, H., Tominaga, Y., Kubota, T., Tanahashi, M. & Miyauchi, T., 2009 Jan 1, p. 335-340. 6 p.

Research output: Contribution to conferencePaper

Channel flow
Reynolds number
Turbulence
Probability density function
Tensors
2008
58 Citations (Scopus)

Application of a local SGS model based on coherent structures to complex geometries

Kobayashi, H., Ham, F. & Wu, X., 2008 Jun, In : International Journal of Heat and Fluid Flow. 29, 3, p. 640-653 14 p.

Research output: Contribution to journalArticle

scale models
Model structures
Geometry
geometry
mesh
54 Citations (Scopus)

Large eddy simulation of magnetohydrodynamic turbulent duct flows

Kobayashi, H., 2008 Jan, In : Physics of Fluids. 20, 1, 015102.

Research output: Contribution to journalArticle

Large eddy simulation
large eddy simulation
Magnetohydrodynamics
ducts
Ducts
2007

Large-eddy simulation of MHD turbulent duct flows using a dynamic subgrid-scale model

Kobayashi, H., 2007, Collection of Technical Papers - 38th AIAA Plasmadynamics and Lasers Conference. Vol. 2. p. 688-704 17 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Large eddy simulation
scale models
large eddy simulation
Magnetohydrodynamics
ducts
2006
16 Citations (Scopus)

A new methodology for Reynolds-averaged modeling based on the amalgamation of heuristic-modeling and turbulence-theory methods

Yoshizawa, A., Nisizima, S., Shimomura, Y., Kobayashi, H., Matsuo, Y., Abe, H. & Fujiwara, H., 2006 Mar, In : Physics of Fluids. 18, 3, 035109.

Research output: Contribution to journalArticle

Turbulence
turbulence
methodology
Reynolds stress
Wall flow
6 Citations (Scopus)

Can a spinning egg really jump?

Mitsui, T., Aihara, K., Terayama, C., Kobayashi, H. & Shimomura, Y., 2006 Oct 8, In : Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 462, 2074, p. 2896-2905 10 p.

Research output: Contribution to journalArticle

Acoustic properties
eggs
metal spinning
Aspect ratio
Jump
50 Citations (Scopus)
Large eddy simulation
scale models
large eddy simulation
channel flow
Channel flow
2005
8 Citations (Scopus)

r-z two-dimensional numerical simulations of a frozen inert gas plasma MHD generator

Kobayashi, H., Nagai, S. & Okuno, Y., 2005 Feb, In : IEEE Transactions on Plasma Science. 33, 1 II, p. 197-204 8 p.

Research output: Contribution to journalArticle

magnetohydrodynamic generators
rare gases
ionization
boundary layers
simulation
113 Citations (Scopus)
homogeneous turbulence
scale models
channel flow
Channel flow
Turbulence
2003

Applicability of the dynamic two-parameter Clark model to the LES of incompressible turbulent channel flows

Shimomura, Y. & Kobayashi, H., 2003, Proceedings of the ASME/JSME Joint Fluids Engineering Conference. Ogut, A., Tsuji, Y., Kawahashi, M., Ogut, A., Tsuji, Y. & Kawahashi, M. (eds.). Vol. 1 C. p. 2025-2031 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Large eddy simulation
Channel flow
Tensors
Dynamic models
Viscosity
12 Citations (Scopus)
Large eddy simulation
large eddy simulation
channel flow
Channel flow
Viscosity

R-z two-dimensional numerical simulation of frozen inert gas plasma MHD generator

Nagai, S., Okuno, Y. & Kobayashi, H., 2003, 34th AIAA Plasmadynamics and Lasers Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gas generators
plasma generators
Magnetohydrodynamics
Inert gases
Ionization
high temperature air
boilers
Boilers
temperature distribution
Air
2002
29 Citations (Scopus)

High temperature air combustion boiler for low BTU gas

Kawai, K., Yoshikawa, K., Kobayashi, H., Tsai, J. S., Matsuo, M. & Katsushima, H., 2002 Jun, In : Energy Conversion and Management. 43, 9-12, p. 1563-1570 8 p.

Research output: Contribution to journalArticle

Boilers
Air
Gases
Gasification
Acoustic noise
2 Citations (Scopus)

Numerical performance simulation of frozen helium plasma disk MHD generator

Kobayashi, H., Satou, Y. & Okuno, Y., 2002 Aug, In : Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 140, 3, p. 26-33 8 p.

Research output: Contribution to journalArticle

Gas generators
Magnetohydrodynamics
Helium
Plasmas
Ionization

Numerical simulation on performance of frozen inert gas plasma MHD generator

Kobayashi, H., Satou, Y. & Okuno, Y., 2002, 33rd Plasmadynamics and Lasers Conference. American Institute of Aeronautics and Astronautics Inc.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gas generators
plasma generators
Magnetohydrodynamics
Inert gases
rare gases
15 Citations (Scopus)

Numerical study on performance of disk MHD generator using frozen inert gas plasma

Kobayashi, H., Satou, Y. & Okuno, Y., 2002 Dec, In : IEEE Transactions on Plasma Science. 30, 6, p. 2152-2159 8 p.

Research output: Contribution to journalArticle

magnetohydrodynamic generators
rare gases
generators
ionization
argon
9 Citations (Scopus)

Performance of high temperature air combustion boiler with low NO x emission

Kobayashi, H., Ito, Y., Tsuruta, N. & Yoshikawa, K., 2002 Aug, In : JSME International Journal, Series B: Fluids and Thermal Engineering. 45, 3, p. 481-486 6 p.

Research output: Contribution to journalArticle

high temperature air
boilers
burners
Fuel burners
Boilers
2001
high temperature air
boilers
Boilers
Demonstrations
Calorific value
15 Citations (Scopus)
homogeneous turbulence
Large eddy simulation
scale models
large eddy simulation
dynamic models
2 Citations (Scopus)

Thermal performance and numerical simulation of high temperature air combustion boiler with low nox emission

Kobayashi, H., Ito, Y., Tsuruta, N. & Yoshikawa, K., 2001, Proceedings of the International Joint Power Generation Conference. Vol. 1. p. 231-236 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Boilers
Computer simulation
Air
Temperature
Natural gas
2000

Effects of fluid flow on the performance of a subsonic nonequilibrium disk MHD generator

Nabara, Y., Kobayashi, H., Okuno, Y. & Kabasima, S., 2000 Nov 30, In : Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 133, 3, p. 18-25 8 p.

Research output: Contribution to journalArticle

Magnetohydrodynamics
Flow of fluids
Boundary layers
Subsonic flow
Computer simulation
40 Citations (Scopus)

Feasibility study on frozen inert gas plasma MHD generator

Kobayashi, H. & Okuno, Y., 2000 Aug, In : IEEE Transactions on Plasma Science. 28, 4, p. 1296-1302 7 p.

Research output: Contribution to journalArticle

magnetohydrodynamic generators
rare gases
generators
magnetic flux
flux density
high temperature air
gasification
Gasification
coal
Power generation

Performance of compact boiler using high temperature air

Kobayashi, H., Kawai, K. & Yoshikawa, K., 2000, In : Unknown Journal. B, p. 339 1 p.

Research output: Contribution to journalArticle

Boilers
Furnace
Air
air
Combustion

Voltage-current characteristics of subsonic disk CCMHD generator

Kobayashi, H., Kuwako, N., Okuno, Y. & Kabashima, S., 2000 Mar, In : Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 130, 4, p. 58-64 7 p.

Research output: Contribution to journalArticle

Subsonic flow
Supersonic flow
Current voltage characteristics
Shock waves
Ionization
1999

Analysis of power generation system on gasification of coal and solid wastes using high temperature air

Kobayashi, H., Yoshikawa, K. & Shioda, S., 1999, American Society of Mechanical Engineers, Fuels and Combustion Technologies Division (Publication) FACT. 1 ed. ASME, Vol. 23. p. 49-54 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solid wastes
Gasification
Power generation
Coal
Air

High temperature air combustion boiler for low BTU gas

Kawai, K., Kobayashi, H., Masao, M., Yoshikawa, K., Tsai, J. S. & Katsushima, H., 1999, American Society of Mechanical Engineers, Fuels and Combustion Technologies Division (Publication) FACT. 1 ed. ASME, Vol. 23. p. 109-112 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Boilers
Air
Gases
Gasification
Acoustic noise
1 Citation (Scopus)

Plasma behavior in a non-equilibrium disk MHD generator with a spatially non-uniform seed fraction

Murakami, T., Kobayashi, H., Okuno, Y. & Kabashima, S., 1999 Mar, In : Electrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi). 126, 4, p. 48-54 7 p.

Research output: Contribution to journalArticle

Magnetohydrodynamics
Seed
Plasmas
Power generation
Computer simulation
1998
14 Citations (Scopus)

Three-dimensional structures of MHD flow in a disk generator

Kobayashi, H., Okuno, Y. & Kabashima, S., 1998, In : IEEE Transactions on Plasma Science. 26, 5, p. 1526-1531 6 p.

Research output: Contribution to journalArticle

nonuniform plasmas
Hall currents
generators
boundary layers
ionization
1997
6 Citations (Scopus)

Three-dimensional simulation of nonequilibrium seeded plasma in closed cycle disk MHD generator

Kobayashi, H., Okuno, Y. & Kabashima, S., 1997, In : IEEE Transactions on Plasma Science. 25, 2, p. 380-385 6 p.

Research output: Contribution to journalArticle

closed cycles
nonequilibrium plasmas
generators
simulation
seeds