【摘要】 作者应用激光测速仪测出了空泡水筒内离回转体壁表面0.30mm外边界层内的速度分布情况;测量了平行于旋转螺旋桨盘面前、后截面上的速度场;并且首次成功地测量了螺旋桨任意半径处叶剖面上的速度环流量。文章还介绍了仪器的性能、机构配置及校验情况,表明仪器性能可靠,测速精确。更多还原

【Abstract】 The velocity profiles in the boundary layer 0.3mm from the surface of a body of revolution and the velocity distributions in front of and behind the propeller disc were measured respectively by using a LDV (Laser Doppler Velocimeter).Moreover, the circulation survey of blade section at arbitrary radius was successfully conducted for the first time. The specification, function, arrangement and calibration of LDV are also briefly introduced in this paper.更多还原