LARGE EDDY SIMULATION OF COMPRESSIBLE TURBULENT CHANNEL FLOW WITH ACTIVE SPANWISE WALL FLUCTUATIONS

被引：7
|
作者：
Fang, Jian [1 ]
Lu, Lipeng [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Sch Jet Prop, Beijing 100191, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2010年 / 24卷 / 13期
关键词：
Turbulence control; heat transport; large eddy simulation; DIRECT NUMERICAL-SIMULATION; HEAT;
D O I：
10.1142/S0217984910023864
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The large eddy simulation (LES) of compressible turbulent channel flow controlled by active spanwise wall fluctuations (ASWF) is carried out in this paper. Heat transport and its relation with the momentum transport are paid with great attentions. In all the flow cases of present study, the changes of temperature fluctuation, heat transport and temperature streaks are in consistence with streamwise velocity fluctuation, momentum transport and velocity streaks respectively. This demonstrates the existence of same mechanism in heat transport and momentum transport in turbulent boundary layer, which gives the theoretical support for using the drag reduction technology to control wall heat flux.
引用
收藏
页码：1457 / 1460
页数：4
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