The results show that some models with the bionic non-smooth working surfaces are very effective, with the pump efficiency enhancement of 3.45%, that means its growth rate of 6.81%.

• 对比试验表明，在离心式水泵的有效工作流量范围内，某些仿生改形表面的模型具有十分明显的效果，效率提高最大为3.；45%25，最大增效率为6