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

3.2.6 goudar_sonnad2 - Goudar-Sonnad (2011) friction factor
f = goudar_sonnad2(d,e,re)

Calculate the Goudar-Sonnad approximation of the Colebrook-White equation.

Arguments

d

Pipe internal diameter (m  ).

e

Pipe effective roughness ε .

re

Reynolds number

Returns Darcy friction factor f , dimensionless.