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Dive into the research topics where Kazumichi Kobayashi is active.

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Featured researches published by Kazumichi Kobayashi.


28TH INTERNATIONAL SYMPOSIUM ON RAREFIED GAS DYNAMICS 2012 | 2012

Numerical analysis of vapor-liquid two-phase system based on the Enskog-Vlasov equation

Kazumichi Kobayashi; Kotaro Ohashi; Masao Watanabe

In this study, equilibrium and nonequilibrium numerical simulations for vapor-liquid two-phase systems were performed by using the Enskog-Vlasov equation. The kinetic boundary condition (KBC) at the interface was investigated. The simulation results showed that at a low or slightly high liquid temperature, the velocity distribution of the KBC obtained by our simulation is anisotropic Gaussian; this result agrees qualitatively with the results of the MD simulation performed by Ishiyama et al. (PRL, 2005). Also, the nonequilibrium nature of KBC becomes larger with the increase of liquid temperature.


Fluid Dynamics Research | 2008

Condensation coefficient of water in a weak condensation state

Kazumichi Kobayashi; Shunsuke Watanabe; Daigo Yamano; Takeru Yano; Shigeo Fujikawa


The Proceedings of the Fluids engineering conference | 2016

Molecular gas dynamics analysis of collapse and rebound of spherical bubble filled with vapor and gas

Takahiro Nagayama; Misaki Kon; Kazumichi Kobayashi; Masao Watanabe; Hiroyuki Fujii; Hiroyuki Takahira


The Proceedings of Mechanical Engineering Congress, Japan | 2016

Nanoscale Thermal Fluid Dynamic at Vapor-Liquid Interface

Kazumichi Kobayashi; Misaki Kon; Masao Watanabe


The Proceedings of Mechanical Engineering Congress, Japan | 2015

G0500203 Development of high-speed droplet injector using syringe and observation of droplet impact

Yutaka Kataoka; Yusaku Hori; Masao Watanabe; Kazumichi Kobayashi; Hiroyuki Fujii


The Proceedings of Mechanical Engineering Congress, Japan | 2015

G0500202 Effects of surrounding gas species on ethanoi droplet impact on solid wall

Toshihisa Isono; Masao Watanabe; Kazumichi Kobayashi; Hiroyuki Fujii


The Proceedings of Mechanical Engineering Congress, Japan | 2015

J0540301 Numerical Computation of a Mathematical Model Applying Boundary Conditions Derived from Molecular Gas Dynamics at Gas-Liquid Interface for Describing Bubble Behaviors Accompanied by Phase Changes

Shotaro Morikawa; Yoshinori Jinbo; Yuki Tatekura; Kazumichi Kobayashi; Masao Watanabe


The Proceedings of Mechanical Engineering Congress, Japan | 2015

J0540205 Numerical simulation of condensation of vapor-gas mixture induced by reflected shock wave based on molecular gas dynamics

Takahiro Nagayama; Hiroyuki Fujii; Kazumichi Kobayashi; Masao Watanabe


The Proceedings of Mechanical Engineering Congress, Japan | 2015

J0540204 Numerical simulation of gas shear flow between liquid slab and solid wall by using Enskog-Vlasov equation

Misaki Kon; Kazumichi Kobayashi; Masao Watanabe


The Proceedings of Mechanical Engineering Congress, Japan | 2015

J2410103 Numerical analysis of light propagation in scattering media with different boundary conditions

Kiyohito Hattori; Hiroyuki Fujii; Kazumichi Kobayashi; Masao Watanabe

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