The investigation of the upstream-downstream intermittent reversing flow in the near wall of a 2-Dchannel is attempted with a 2-D laser doppler velocimeter (LDV).
本文应用二维激光多普勒测速仪（LDV），对二元通道内近壁间歇性反流特征做了尝试性测量。
2
A 2-d numerical model of wave motion in lock approach channel is described, which is soluted by using the method of resultants of 2-d numerical model of unsteady flow and 1-d numerical model.