Numerical investigation of dynamic stall of an oscillating aerofoil

doi:10.1002/fld.1650190807

IMECH-IR > 力学所知识产出(1956-2008)

	Numerical investigation of dynamic stall of an oscillating aerofoil
	Guo WH; Fu DX(傅德薰); Ma YW(马延文); GUO, WH (reprint author), CHINESE ACAD SCI,INST MECH,BEIJING 100080,PEOPLES R CHINA.
发表期刊	International Journal for Numerical Methods in Fluids
	1994
卷号	19 期号:8 页码:723-734
ISSN	0271-2091
摘要	The flow structure around an NACA 0012 aerofoil oscillating in pitch around the quarter-chord is numerically investigated by solving the two-dimensional compressible N-S equations using a special matrix-splitting scheme. This scheme is of second-order accuracy in time and space and is computationally more efficient than the conventional flux-splitting scheme. A 'rigid' C-grid with 149 x 51 points is used for the computation of unsteady flow. The freestream Mach number varies from 0.2 to 0.6 and the Reynolds number from 5000 to 20,000. The reduced frequency equals 0.25-0.5. The basic flow structure of dynamic stall is described and the Reynolds number effect on dynamic stall is briefly discussed. The influence of the compressibility on dynamic stall is analysed in detail. Numerical results show that there is a significant influence of the compressibility on the formation and convection of the dynamic stall vortex. There is a certain influence of the Reynolds number on the flow structure. The average convection velocity of the dynamic stall vortex is approximately 0.348 times the freestream velocity.
关键词	Dynamic Stall Unsteady Flow Vortex Compressible Flow Matrix-splitting Scheme N-s Equations Pitching Airfoil Flow
DOI	10.1002/fld.1650190807
收录类别	SCI
语种	英语
WOS记录号	WOS:A1994PN11200006
关键词[WOS]	PITCHING AIRFOIL ; FLOW
WOS研究方向	Computer Science ; Mathematics ; Mechanics ; Physics
WOS类目	Computer Science, Interdisciplinary Applications ; Mathematics, Interdisciplinary Applications ; Mechanics ; Physics, Fluids & Plasmas
引用统计	被引频次：8[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/39286
专题	力学所知识产出(1956-2008)
通讯作者	GUO, WH (reprint author), CHINESE ACAD SCI,INST MECH,BEIJING 100080,PEOPLES R CHINA.
推荐引用方式 GB/T 7714	Guo WH,Fu DX,Ma YW,et al. Numerical investigation of dynamic stall of an oscillating aerofoil[J]. International Journal for Numerical Methods in Fluids,1994,19,8,:723-734.
APA	Guo WH,傅德薰,马延文,&GUO, WH .(1994).Numerical investigation of dynamic stall of an oscillating aerofoil.International Journal for Numerical Methods in Fluids,19(8),723-734.
MLA	Guo WH,et al."Numerical investigation of dynamic stall of an oscillating aerofoil".International Journal for Numerical Methods in Fluids 19.8(1994):723-734.

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