A test system was developed and an L9(3^4) orthogonal experiment design was used to test the pump efficiency under different flow rates, lifts, electric voltages and currents.
A test system was developed and an L9(3^4) orthogonal experiment design was used to test the pump efficiency under different flow rates, lifts, electric voltages and currents.
并设计了试验系统，采用L9(3^4)正交试验，以离心式水泵效率为试验指标，进行了离心式水泵的流量、扬程、电压和电流的测量。