3.3.6 helical_mishra_gupta - Mishra-Gupta friction factor

f = helical_mishra_gupta(re, de)

Computes the Mishra-Gupta friction factor for helical pipes with a given dean number valid for the entire laminar flow region.

Arguments

re

Reynolds number .

de

Dean number .

Returns Helical friction factor (Darcy definition) , dimensionless.

Possible Warnings

Helical-Mishra-Gupta friction only valid for 1 <= De <= 3000

The White helical pipe friction factor is only valid for a .

Possible Errors

Helical-Mishra-Gupta unknwon amount of arguments

An unknown amount of arguments was specified.