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

3.6.1 aude_p - Aude pressure drop for P
p = aude_p(q,d,v,sg,k)

Calculates the pressure drop across a pipe using Aude’s equation for petroleum products. The equation is valid for pipe sizes 8"-12" ( 200-300mm) in diameter for crude oil with Reynolds numbers [6000,120000] and 6"-8" for Reynolds numbers 57000 for refined products.

Arguments

q

Volumetric flow rate (m3/h).

d

Pipe internal diameter (m).

v

Liquid viscosity, centipoise.

k

Pipe roughness/efficiency k [0.90,0.95].

sg

Liquid specific gravity.

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

Possible Warnings

Aude roughness factor out of the nominal range

The provided roughness factor is not within k[0.90,0.95]