CONDITIONAL AVERAGES IN CONVECTIVE TURBULENCE

被引：1
|
作者：
KADANOFF, LP
机构：
[1] The Computational and Applied Math Program, Ryerson Laboratory, The University of Chicago, Chicago, IL 60637
来源：
PHYSICA A | 1994年 / 204卷 / 1-4期
关键词：
D O I：
10.1016/0378-4371(94)90435-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Two exact results are presented for the thermal dissipation in a Rayleigh-Benard geometry. The first result expresses the conditional dissipation at each value of theta within the entire volume of the system in terms of the thermal flux and the PDF for theta. The second gives the conditional dissipation in a region of the cell in terms of the conditional flux into the region. These results are used to argue that the observed stretched exponential PDF in the central region must be connected with the behavior near the boundary.
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页码：341 / 345
页数：5
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