In the cavityflow mode, the drag of the cylinder was dramatically reduced by the upstream rod.
当圆柱处于空穴流动模式时，其阻力可以大幅度降低。
2
The special characteristics of kinetic energy and momentum of horizontal rotary cavityflow in internal dissipating tunnel with an inlet shaft are analyzed.
研究了水平旋转内消能泄水道空腔环流特有的能动量特性。
3
The variation rule of wall stress of horizontal rotary cavityflow in an intemal energy dissipating tunnel is researched based on the experimental observation.