Drag reduction of bluff bodies by surface control based on a force theory

被引：0
|
作者：
Yang, Shih-Hao [1 ]
Chang, Chien C.
Chu, Chin-Chou [1 ]
Liao, Shi-Hua [1 ]
Chern, R. L. [1 ]
机构：
[1] Natl Taiwan Univ, Inst Appl Mech, Taipei 106, Taiwan
来源：
FEDSM 2007: PROCEEDINGS OF THE 5TH JOINT ASME/JSME FLUIDS ENGINEERING SUMMER CONFERENCE, VOL 2, PTS A AND B | 2007年
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D O I：
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中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In the present Study, we show how drag reduction of a bluff body can be achieved on a rational basis of a force theory. The force theory indicates where is the best location to apply the surface control to minimize the drag on the body. In particular, the method of drag reduction is illustrated for flow around a circular cylinder. It is shown that drag reduction for the circular cylinder can be as efficient as 46.5%.
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页码：1413 / 1418
页数：6
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