Structures of the skin friction lines (SFL) appearing on a prolate spheroid in l aminar and turbulent flows were investigated and compared by using an improved o il-flow visualization technique.

• 用改进的油流显示法研究和对比了层流和湍流状态下绕椭球流动的表面摩擦力线结构.；实验中观察到；椭球表面摩擦力线在层流和湍流状态下具有不同的拓扑结构。