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What is the formula to calcuate the efficiency of a centrifugal pump? David
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There are a couple of ways. The power used by a pump is
BHp = Q*P/(1714*e) Q is the flow rate, gpm. P is the differential pressure, psi, e is the pump's efficiency as a decimal and BHp is the shaft Hp used by the pump, Hp. If you can measure those variables, you can calculate the efficiency.
BHp = Q*P/(1714*e) Q is the flow rate, gpm. P is the differential pressure, psi, e is the pump's efficiency as a decimal and BHp is the shaft Hp used by the pump, Hp. If you can measure those variables, you can calculate the efficiency.
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