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Darcy Friction Factor

Last modified by

on

Jul 24, 2020, 6:28:07 PM

Created by

on

Jul 11, 2016, 5:27:20 PM

f = \frac{64}{R} e

$f = 64/ Re$

(R e) Reynold's number

$(Re)"Reynold's number"$

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The Darcy Friction Factor is a dimensionless quanty used in the Darcy-Weisbach equation, for the description of friction losses in pipe flow as well as open-channel flow. It is four times larger than the Fanning friction factor. The Darcy Friction Factor for laminar flow in a circular flow in a circular pipe (Reynold's number less than 2320) is given by the following formula: $f = \frac{64}{R e}$ $f=64/(Re)$ where:

$f$ $f$ = Darcy Friction Factor
$R e$ $Re$ = Reynold's number

References

The formula and definition are from Wikipedia (https://en.wikipedia.org/wiki/Darcy_friction_factor_formulae).

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