三維有限長旋轉圓柱水動力性能的實驗及數值分析

作者：王偉,汪瑜瑋,趙大剛,龐永杰,郭春雨,王一帆

摘要：The hydrodynamic performance of a three-dimensional finite-length rotating cylinder is studied by means of a physical tank and numerical simulation.First,according to the identified influencing factors,a hydrodynamic performance test of the rotating cylinder was carried out in a circulating water tank.In order to explore the changing law of hydrodynamic performance with these factors,a particle image velocimetry device was used to monitor the flow field.Subsequently,a computational field dynamics numerical simulation method was used to simulate the flow field,followed by an analysis of the effects of speed ratio,Reynolds number,and aspect ratio on the flow field.The results show that the lift coefficient and drag coefficient of the cylinder increase first and then decrease with the increase of the rotational speed ratio.The trend of numerical simulation and experimental results is similar.

發文機構：College of Shipbuilding Engineering

關鍵詞：RotatingcylinderMagnusRotationalspeedratioAspectratioComputationalfielddynamicsModeltest

分類號： O35[理學—流體力學]