Empirical implicit correlation for Darcy friction factor
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\frac{1}{\sqrt{f}} = -2 \, \log \left( \frac{\epsilon}{3.7 \, d} + \frac{2.51}{{\rm Re} \sqrt{f}} \right) |
where
| Reynolds number of a pipe flow | ||||
| Inner diameter of a pipe | ||||
| inner pipe walls roughness |
See also
...
Physics / Fluid Dynamics / Pipe Flow Dynamics / Darcy–Weisbach equation / Darcy friction factor / Darcy friction factor @model