Brake horsepower
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- The brake horsepower of a pump is the actual motor input horsepower required to produce the hydraulic horsepower from a pump (flow and head) taking into account the losses incurred within the pump due to friction, leakage, etc. Brake horsepower is the ratio of hydraulic horsepower to pump efficiency.
Bureau of Reclamation - Cite This Source - This Definition - Capillary head, Cavitation, Cirque, drawdown, Head, Pressure head, Sluice, Static head, Unbalanced head., Vortex