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I was given the following formula for to calculate the power of a centrifugal pump:

P = ρ * g * Q * H

i.e. Power = Density * acceleration due to gravity * volumetric flow rate * total head

I have found websites that state this formula but I haven't been able to find anywhere that explains how the formula was derived. Could anyone point me in the right direction?

Thanks

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# Derivation of formula for pump power

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