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Solid wall effect on the transport coefficients of gases

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Abstract

The diffusion, viscosity and thermal conductivity coefficients of gases between two parallel solid walls have been obtained analytically based on the Green-Kubo relation under a hard-sphere model. They decrease nonlinearly as the Knudsen number defined as the ratio of the mean free path to the wall distance increases. This theoretical prediction was in good agreement by the DSMC results.

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Authors and Affiliations

  1. State Key Laboratory of High Temperature Gas Dynamics, Institute of Mechanics, Chinese Academy of Sciences, Beijing, 100190, China

    Fei Fei, Jing Fan & JianZheng Jiang

Authors
  1. Fei Fei
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  2. Jing Fan
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  3. JianZheng Jiang
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Correspondence to Jing Fan.

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Fei, F., Fan, J. & Jiang, J. Solid wall effect on the transport coefficients of gases. Sci. China Phys. Mech. Astron. 55, 927–932 (2012). https://doi.org/10.1007/s11433-012-4733-6

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  • DOI: https://doi.org/10.1007/s11433-012-4733-6

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