3.3.4 helical_hart - Hart helical friction factor

f = helical_hart(re, de)

Computes the Hart 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 Errors

Helical-Hart unknwon amount of arguments

An unknown amount of arguments was specified.