Froude Number

Written by Jerry Ratzlaff on . Posted in Dimensionless Numbers

Froude number, abbreviated as Fr, is a dimensionless number which is the ratio of inertial force to gravitational force.  It is used for wave and surface behavior for mixed natural and forced convection.


\(\large{ Fr =  \frac { v }  { \sqrt { g \; h_m }  }  }\)         


\(\large{ Fr  }\) = Froude number

\(\large{ g  }\) = gravitational acceleration

\(\large{ h_m }\) = mean depth

\(\large{ v  }\) = velocity of flow

Tags: Equations for Flow Equations for Gravity Equations for Force Equations for Open Channel