head-flow rate curve的意思|示意

The cause of occurrence of power overload and the unstable curve of head-flow volume for low rate ratio pumps was analyzed in this paper. Some methods, then, were presented to solve the problems.

分析了低比转数离心泵出现不稳定扬程-流量特性曲线及功率过载的原因，提出了相应解决办法。

The continuum functional relationships among system efficiency, blade Angle, static head and flow rate of pumps are established based on the performance curve surface fitting method.

本文基于曲面拟合构造了装置效率、叶片角度与装置扬程和流量的连续函数关系，可以迅速准确地确定某一装置扬程和流量所对应的装置效率等参数。