Vortex shedding during the interaction of a turbulent wake with a cylinder

被引：2
|
作者：
Doolan, C. J. [1 ]
Choley, V. [1 ]
Crespel, J. [1 ]
机构：
[1] Univ Adelaide, Sch Mech Engn, Adelaide, SA 5005, Australia
来源：
JOURNAL OF FLUIDS AND STRUCTURES | 2012年 / 31卷
关键词：
Tandem bluff body; Vortex shedding; 2; CIRCULAR-CYLINDERS; STROUHAL NUMBERS; TANDEM CYLINDERS; BLUFF-BODIES; FLOW; FORCES;
D O I：
10.1016/j.jfluidstructs.2012.02.010
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Experimental results investigating the vortex shedding behaviour during the interaction of a turbulent wake with a cylinder are presented. The wake was generated by a blunt ellipse and the cylinder placed at various distances behind its trailing edge. When the cylinder was placed greater than three diameters behind the trailing edge, two vortex shedding frequencies were detected in the wake, indicating that tandem bluff bodies need not shed at the same frequency. Further vortex shedding results are presented for the case when the cylinder was placed close to the trailing edge. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：141 / 146
页数：6
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