How to use and understand pump performance curves? Calculate power in HP needed for an electric motor...

Question

having speed=1770rpm, flow=between 800gpm and 1000gpm, mud weight=13.6lb/gal, impeller=8"x6"x10".

Thank you

Answer 1

You need the pump curve for the particular model pump which the manufacturer can supply, and the static and dynamic pressures of the system.  Then you take the info and plot a point on the curve to find the horsepower.