darcy_weisbach_p - Darcy-Weisbach pressure drop for P

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3.5.4 darcy_weisbach_p - Darcy-Weisbach pressure drop for $P$

p = darcy_weisbach_p(q,d,fd)

Calculates the pressure drop across a pipe using the Darcy-Weisbach equation.

Arguments

q: Volumetric flow rate $Q$ ( $m3/h$ ).
d: Pipe internal diameter $D$ ( $m$ ).
fd: Darcy friction factor $fd$ .

Returns Pressure drop due to friction ( $kPa/km$ ).

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