Phenomenological Approach to Heat Conduction in a One-Dimensional Hard-Point Gas beyond Local Equilibrium(General)
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概要
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Molecular dynamics simulation data on stationary heat conduction in a one-dimensional binary hard-point gas are studied: We estimate the validity range of the local equilibrium assumption explicitly. The temperature profiles with the temperature jumps at the boundaries are analyzed consistently by a phenomenological theory beyond the local equilibrium assumption (extended thermodynamics). The agreement between the numerical result of the temperature profiles and its theoretical prediction is fairly well. The heat conductivity is analyzed in two limiting cases: We find that the exponent, which characterizes the divergence of the heat conductivity in a thermodynamic limit, depends on the mass ratio of two different constituent particles. We also find a power law relation between the heat conductivity and the mass ratio in a limit to the system where energy transport is in a ballistic mode.
- 社団法人日本物理学会の論文
- 2008-01-15
著者
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SUGIYAMA Masaru
Graduate School of Engineering, Nagoya Institute of Technology
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Isobe Masaharu
Graduate School Of Engineering Nagoya Institute Of Technology
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Zhao Nanrong
Graduate School Of Engineering Nagoya Institute Of Technology:department Of Physics Sichuan Universi
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Zhao Nanrong
Graduate School Of Engineering Nagoya Institute Of Tbchnology
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TANIGUCHI Shigeru
Graduate School of Engineering, Nagoya Institute of Technology
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NAKAMURA Masashi
Graduate School of Engineering, Nagoya Institute of Technology
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Taniguchi Shigeru
Graduate School Of Engineering Nagoya Institute Of Technology
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Sugiyama Masaru
Graduate School Of Engineering Nagoya Institute Of Tbchnology
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Nakamura Masashi
Graduate School Of Agriculture Kyoto University
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ISOBE Masaharu
Graduate School of Engineering, Nagoya Institute of Technology
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