In this article,numerical simulation of the interior flow of roto-jet pump is carried through,and the distribution rules of the pump internal turbulence flow are calculated.

• 对于了解旋喷泵内部流动情况,提高旋喷泵的效率,特别是叶轮和集流管等有关几何参数对泵性能影响,改进旋喷泵的水力设计很有参考价值。