水力效率 meaning in English

efficiency hydraulic
hydraulic efficiency

In order to extend its potential usage , the small hydro turbine should have a simple design with high performance to secure the stable operation
为了使小型水轮机得到更广泛的应用，必须设计出结构简单、水力效率高的机器以确保运行稳定性。
The experiment shows that by changing the velocity coefficient , the separation of boundary layer on pump vane can be controlled , and the performance of pump is improved and its hydraulic efficiency
实验证明通过改变叶片型线参数方程中的速度系数的取值，可以控制边界层的分离，进而改善泵的性能，提高其水力效率。