On steady one-dimensional diffusion in binary ideal gas mixtures

被引：6
|
作者：
Mills, AF [1 ]
机构：
[1] Univ Calif Los Angeles, Dept Mech & Aerosp Engn, Los Angeles, CA 90095 USA
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2003年 / 46卷 / 13期
关键词：
counterdiffusion; equimass; equimolar; binary; gas mixtures;
D O I：
10.1016/S0017-9310(02)00537-9
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Steady, one-dimensional, diffusion in binary ideal gas mixtures is analyzed for both a zero mass average velocity and a zero molar average velocity, to give solutions for equimass and equimolar counterdiffusion. It is shown that the prescription of constant pressure results in equimass counterdiffusion rather than the commonly assumed equimolar counterdiffusion, and that these two situations are fundamentally different. Application to the analysis of venting processes is discussed. (C) 2003 Elsevier Science Ltd. All rights reserved.
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页码：2495 / 2497
页数：3
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