Pipeline Toolbox
Function Reference Manual
Early Public Release DD-00011-000

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 ).