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Empirical equation, which relates pressure loss
along pipeline (also called head loss), due to fluid friction with pipelines walls along the pipe trajectory to the average cross-sectional velocity LaTeX Math Inline body \displaystyle \frac{dp}{dl}
of the fluid flow:LaTeX Math Inline body u
| LaTeX Math Block | ||||
|---|---|---|---|---|
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\frac{dp}{dl} = - f \cdot \frac{ \rho \, u^2 \, }{2 d} |
where
| Darcy friction factor | ||||
| fluid density | ||||
| pipe diameter |
See also
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Physics / Fluid Dynamics / Pipe Flow Dynamics / Fluid friction with pipelines walls
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