Numerical investigation of dynamic stall of an oscillating aerofoil
文献类型：期刊论文
| 作者 | Guo WH; Fu DX(傅德薰) ; Ma YW(马延文)
|
| 刊名 | International Journal for Numerical Methods in Fluids
 |
| 出版日期 | 1994 |
| 卷号 | 19期号:8页码:723-734 |
| 关键词 | Dynamic Stall Unsteady Flow Vortex Compressible Flow Matrix-Splitting Scheme N-S Equations Pitching Airfoil Flow |
| ISSN号 | 0271-2091 |
| 通讯作者 | GUO, WH (reprint author), CHINESE ACAD SCI,INST MECH,BEIJING 100080,PEOPLES R CHINA. |
| 中文摘要 | 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. |
| 类目[WOS] | Computer Science, Interdisciplinary Applications ; Mathematics, Interdisciplinary Applications ; Mechanics ; Physics, Fluids & Plasmas |
| 研究领域[WOS] | Computer Science ; Mathematics ; Mechanics ; Physics |
| 关键词[WOS] | PITCHING AIRFOIL ; FLOW |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:A1994PN11200006 |
| 公开日期 | 2009-08-03 ; 2010-08-20 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/39286]  |
| 专题 | 力学研究所_力学所知识产出(1956-2008) |
| 推荐引用方式 GB/T 7714 | Guo WH,Fu DX,Ma YW. 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.(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. |
入库方式： OAI收割
来源：力学研究所
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