Assessment of non-Fickian subgrid-scale models for passive scalar in a channel flow

被引：0
|
作者：
Montreuil, E
Sagaut, P
Labbé, O
Cambon, C
机构：
来源：
DIRECT AND LARGE-EDDY SIMULATION III | 1999年 / 7卷
关键词：
LES; passive scalar; channel flow; subgrid-scale model;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In order to assess new subgrid-scale models for a passive scalar, several large eddy simulations of a turbulent channel flow with passive scalar are carried out. These models are not based on the classical Fickian approximation and do not induce necessarily an alignment between the SGS heat flux vector and the gradient of the resolved temperature. Six SGS models are investigated, on two grids. The results are compared with DNS results obtained by Kawamura et al. [2].
引用
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页码：189 / 200
页数：12
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