TRACER DIFFUSION IN SHEAR-FLOW

被引：18
|
作者：
GARZO, V
DEHARO, ML
机构：
[1] Laboratorio de Energía Solar, Instituto de Investigaciones en Materiales, Universidad Nacional Autnoma de México, Temixco 62580, Morelos
来源：
PHYSICAL REVIEW A | 1991年 / 44卷 / 02期
关键词：
D O I：
10.1103/PhysRevA.44.1397
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The Boltzmann-Lorentz equation for Maxwell molecules is used to study tracer diffusion in uniform shear flow. It is shown that some values of the mass ratio may prevent the establishment of a hydro-dynamic regime. In the region where a hydrodynamic solution exists, a diffusion tensor has been derived by considering terms up to first order in the tracer concentration gradient. This tensor is a highly nonlinear function of both the shear rate and the mass ratio. A comparison with earlier results has been performed.
引用
收藏
页码：1397 / 1400
页数：4
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