Modeling three-dimensional dynamic stall

Abstract：The dynamic stall process in three-dimensional(3D)cases on a rectangul wing undergoing a constant rate ramp-up motion is introduced to Provide a qualitative analysis about the onset and development of the stall Phenomenon.Based on the enhanced understanding of the mechanism of dynamic stalls,a 3D dynamic stall modelis constructed with the emPhasis oftheonset,thegrowth,andtheconvectionofthedynamic stall vortex on the 3D wing surface.The results show that this engineerlng dynajnlc stall model can simulate the 3D unsteady aerodynanlic performance appropriately. 作者： Author： Chao L(U)  Tong-guang WANG 作者單位： Jiangsu Key Laboratory of Hi-Tech Research for Wind Turbine Design,Nanjing University of Aeronautics andAstronautics,Nanjing 210016,P.R.China 期 刊： 應用數(shù)學和力學（英文版）   EISCI Journal： APPLIED MATHEMATICS AND MECHANICS 年，卷(期)： 2011, 32(4) 分類號： V211.1 Keywords： unsteady aow    3D dynamic stall    separation flow    vortex motion    機標分類號： V21 H31 機標關鍵詞： dynamic stall    qualitative analysis    understanding    constant rate    performance    development    results    model 基金項目： Project supported by the National Basic Rescarch Program of China(973 Program)

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