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Empirical equation, which relates the head loss, or pressure loss
along pipeline (also called head loss), due to friction along a the pipe length trajectory to the average velocity LaTeX Math Inline body \displaystyle \frac{dp}{dl}
of the fluid flow for an incompressible fluid flow:LaTeX Math Inline body u
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\frac{dp}{dl} = - \frac{ f \, \rho \, u^2 \, }{2 d} |
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| Darcy friction factor | ||||
| fluid density | ||||
| pipe diameter |
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