Community Status Updates

Innocent Bharathi
can anyone tell me why efficiency vs discharge graph is inverted parabola in centrifugal pump??

-
vikramltv
Efficiency = 80-0.2855*HEAD+3.78*10^-4*HEAD*FLOW - 2.23*10^-7*HEAD*FLOW^2+5.39*10^-4*HEAD^2-6.39*10^-7*HEAD^2*FLOW+4*10^-10*HEAD^2*FLOW^2
Dec 25 2011 11:40 PM