Total head, abbreviated as \(h_t\), is the sum of the discharge flange and the sum of the suction flange.
Total Head formula |
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\(\large{ h_t = \frac{ 3960 \; WHP }{ Q } }\) (Total Head) \(\large{ WHP = \frac{ h_t \; Q }{ 3960 } }\) \(\large{ Q = \frac{ 3960 \; WHP }{ h_t } }\) |
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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 | \(\large{\frac{lbf-ft}{sec}}\) | \(\large{\frac{btu}{s}}\) |
