LARGE EDDY SIMULATION OF MAGNETOHYDRODYNAMIC TURBULENT CHANNEL FLOWS UNDER A UNIFORM MAGNETIC-FIELD

被引:63
作者
SHIMOMURA, Y [1 ]
机构
[1] UNIV TOKYO, FAC SCI, DEPT PHYS, BUNKYO KU, TOKYO 113, JAPAN
来源
PHYSICS OF FLUIDS A-FLUID DYNAMICS | 1991年 / 3卷 / 12期
关键词
D O I
10.1063/1.858124
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
Magnetohydrodynamic turbulent channel flows under a uniform magnetic field are studied by using a large eddy simulation technique. The effect of a uniform magnetic field is incorporated into the subgrid-scale model in the form of a local damping factor. Compared with the experiment, this model is shown to work better than the usual Smagorinsky model in both turbulent and laminar states. This model predicts the detailed structures of the present flows, for which, one-point global turbulence models of ensemble mean type are helpless.
引用
收藏
页码:3098 / 3106
页数:9
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