Heat transfer in rarefied gas at a gas-solid interface

Yaşar Demi̇rel and Satish C. Saxena

Energy, 1996, vol. 21, issue 2, 99-103

Abstract: Modified expressions for the heat-transfer fluxes at the interface of a solid surface and a gas are given for different Knudsen-number regimes. These expressions for diatomic gases contain both a gas-reflection and a thermal accommodation coefficient. Parallel-plate, coaxial-cylindrical and concentric-spherical surfaces are considered. A general expression for the thermal accommodation coefficient is based on experimental data. Sample numerical calculations of heat flux in different heat-transfer regimes are presented in terms of the reciprocal Knudsen number.

Date: 1996
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:21:y:1996:i:2:p:99-103

DOI: 10.1016/0360-5442(95)00096-8

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