Brake Horsepower
Brake horsepower, abbreviated as BPH, is the engine's horsepower required to overcome the loss in power caused by the pump.
Brake Horsepower formula |
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\(\large{ BHP = \frac{ Q \; h_t \; SG }{ 3960 \; \eta } }\) | ||
Symbol | English | Metric |
\(\large{ BHP }\) = brake horsepower | \(\large{\frac{lbf-ft}{sec}}\) | \(\large{\frac{Btu}{s}}\) |
\(\large{ Q }\) = flow rate | \(\large{\frac{ft^3}{sec}}\) | \(\large{\frac{m^3}{s}}\) |
\(\large{ \eta }\) (Greek symbo; eta) = efficiency | \(\large{dimensionless}\) | |
\(\large{ h_t }\) = total head | \(\large{ft}\) | \(\large{m}\) |
\(\large{ SG }\) = specific gravity | \(\large{dimensionless}\) |