THE ASYMPTOTIC SCALING BEHAVIOR OF MIXING INDUCED BY A RANDOM VELOCITY-FIELD

被引：19
|
作者：
ZHANG, Q
机构：
[1] Department of Applied Mathematics and Statistics, SUNY at Stony Brook, Stony Brook
来源：
ADVANCES IN APPLIED MATHEMATICS | 1995年 / 16卷 / 01期
关键词：
D O I：
10.1006/aama.1995.1002
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The asymptotic scaling behavior of the mixing region induced by a random velocity field is determined by applying Corrsin's hypothesis in both the Eulerian and Lagrangian pictures. Both pictures lead to the same results for the asymptotic scaling exponent of the mixing region. Both longitudinal and transverse diffusion are asymptotically non-Fickian (Fickian) when the correlation function of the random field decays more slowly (rapidly) than r(-1) at large length scales. (C) 1995 Academic Press, Inc.
引用
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页码：23 / 58
页数：36
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