Empirical equation, which relates the head loss, or pressure loss, due to friction along a given length of pipe to the average velocity of the fluid flow for an incompressible fluid:
| LaTeX Math Block | ||||
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\frac{dp}{dl} = - \frac{ f \, \rho \, v^2 \, }{2 d} |
where
| Darcy friction factor | ||||
See also
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