Hazen-Williams Hydraulic Radius Equation

Written by Jerry Ratzlaff on . Posted in Fluid Dynamics

This hydraulic radius formula is used in Hazen-Williams equations and the coefficient formula.


Formulas that use Hazen-Williams Hydraulic Radius Equation

\(\large{ r = \left(   \frac {v} { 1.318\;C\;   m^{0.54} } \right)       ^{\frac {1}{0.63} }  }\)   


\(\large{ r }\) = hydraulic radius

\(\large{ C }\) = Hazen-Williams Coefficient

\(\large{ m }\) = hydraulic grade line slope

\(\large{ v }\) = mean flow velocity


Tags: Equations for Hydraulic Equations for Open Channel Equations for Hazen-Williams