水泵性能曲线方程研究
Research on pump characteristic equations
摘要：
利用最小二乘法建立了两种型号水泵的性能曲线回归方程组，从而得到了水泵的性能曲线方程。给出了水泵联合运行方式下的性能曲线方程，并推导了变频调速水泵的性能曲线方程。
关键词：最小二乘法,水泵,曲线,方程,联合运行
Abstract：
Builds the performance curve regression equations of two types of pumps with the least square method, and gains the fitted curve equations. Presents the characteristic equations of combined working pumps, and deduces the equations of variable speed pumps.
Keywords:leastsquaremethod,pump,curve,equation,combinedworking