Flow structures behind a heaving and pitching finite-span wing

被引：134
|
作者：
von Ellenrieder, KD [1 ]
Parker, K [1 ]
Soria, J [1 ]
机构：
[1] Monash Univ, Lab Turbulence Res Aerosp & Combust Mech Engn, Clayton, Vic 3800, Australia
来源：
JOURNAL OF FLUID MECHANICS | 2003年 / 490卷
关键词：
D O I：
10.1017/S0022112003005408
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The three-dimensional structure of the flow behind a heaving and pitching finite-span wing is investigated using dye flow visualization at a Reynolds number of 164. Phase-locked image sequences, which are obtained from two orthogonal views, are combined to create a set of composite images that give an overall sense of the three-dimensional structure of the flow. A model of the vortex system behind the wing is constructed from the image sequences. Variations of the Strouhal number, pitch amplitude and heave/pitch phase angle are qualitatively shown to affect the structure of the wake.
引用
收藏
页码：129 / 138
页数：10
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