Froude Number
Froude number, abbreviated 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.
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\(\large{ Fr = \frac { v } { \sqrt { g \; h_m } } }\) Where: \(\large{ Fr }\) = Froude number \(\large{ v }\) = flow velocity \(\large{ g }\) = gravitational acceleration \(\large{ h_m }\) = mean depthSolve for: \(\large{ v = Fr \sqrt { g \; h_m } }\) \(\large{ g = \frac {v^2} { h_m \; {Fr}^2 } }\) \(\large{ h_m = \frac {v^2} { g \; {Fr}^2 } }\) |