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	Development and evolution of flow over three-dimensional cylinder
	Wang, G ; Liang, XG
	2010-05-10 ; 2010-05-10
关键词	3D cylinder flow mechanism vortex merger quasi-Karman vortex street ASYMMETRIC VORTICES CIRCULAR-CYLINDER SIMULATION BODIES MODEL Physics, Multidisciplinary
中文摘要	By solving the three-dimensional (3D) time-dependent compressible laminar Navier-Stokes equations with a finite-volume method incorporating the third-order-accuracy discretization scheme, the flow structure around a 3D cylinder is investigated and its evolution mechanism is presented in this paper. At high incidence angles, a shed vortex series forms at leeside of the 3D cylinder with its sectional How pattern very similar to the Karman vortex street developed behind a two-dimensional cylinder. The main, the secondary and the tertiary vortex system compose a hierarchical structure over the 3D cylinder. Each tertiary vortex develops into a new main vortex after the breakaway of its former main vortex, and merges the secondary vortex on its opposite side of the symmetry plane.
语种	英语 ; 英语
出版者	CHINESE PHYSICAL SOC ; BEIJING ; P O BOX 603, BEIJING 100080, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/22587]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, G,Liang, XG. Development and evolution of flow over three-dimensional cylinder[J],2010, 2010.
APA	Wang, G,&Liang, XG.(2010).Development and evolution of flow over three-dimensional cylinder..
MLA	Wang, G,et al."Development and evolution of flow over three-dimensional cylinder".(2010).

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