To predict the operating performance of the pump the RANS equation and RNG turbulent model are applied to simulate the pumping system, which is composed of the inlet conduit and the blades.

• 采用三维定常RANS方程和重整化群RNG紊流模型对进水流道、水泵叶轮室的水体进行数值模拟计算，分析进水流道对水泵性能的影响。