Total Head formula |
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h_t \;=\; \dfrac{ 3960 \cdot WHP }{ Q } (Total Head) WHP \;=\; \dfrac{ h_t \cdot Q }{ 3960 } Q \;=\; \dfrac{ 3960 \cdot WHP }{ h_t } |
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| Units | English | Metric |
| \large{ h_t } = total head or height | \large{ft} | \large{m} |
| \large{ Q } = flow rate discharge | \large{\frac{ft^3}{sec}} | \large{\frac{m^3}{s}} |
| \large{ WHP } = water horsepower | \large{\frac{lbf-ft}{sec}} | \large{\frac{btu}{s}} |
Total head, abbreviated as h_t, is the sum of the discharge flange and the sum of the suction flange.
