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首页> 外文期刊>International Journal of Heat and Mass Transfer >Heat and mass transfer in a rarefied gas confined between its two parallel condensed phases
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Heat and mass transfer in a rarefied gas confined between its two parallel condensed phases

机译：稀有气体在其两个平行冷凝相之间的传热和传质

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摘要

The heat and mass transfer in a rarefied gas between its two parallel condensed phases is considered on the basis of linearized and non-linear S-model kinetic equations. The profiles of the macroscopic parameters in the gap between gas-liquid interfaces are obtained for several Knudsen numbers and for the cases of complete and non-complete evaporation and condensation. The linearized Navier-Stokes equations and energy equation, subjected to the temperature and pressure jump boundary conditions, are solved analytically and the expressions for the macroscopic parameters are obtained. The comparison of three approaches allowed us to establish the limit of the application of the linearized approaches in term of the saturation temperature ratio between the condensed phases. (C) 2018 Elsevier Ltd. All rights reserved.
机译：基于线性和非线性S模型动力学方程，考虑稀有气体在其两个平行冷凝相之间的传热和传质。在几个克努森数以及完全和不完全蒸发和冷凝的情况下，获得了气-液界面之间间隙中的宏观参数分布图。解析了温度和压力跃变边界条件下线性化的Navier-Stokes方程和能量方程，并获得了宏观参数的表达式。三种方法的比较使我们能够根据冷凝相之间的饱和温度比来确定线性化方法的应用范围。 （C）2018 Elsevier Ltd.保留所有权利。

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