Rossby Number

Written by Jerry Ratzlaff on . Posted in Dimensionless Numbers

Rossby Number

Rossby number ( \(Ro\) ) (dimensionless number) used in describing fluid flow. It is the ratio of internal to Coriolis force.

Rossby Number Formula

\(\large{ Ro =  \frac{ U } { L f} }\)         

Where:

\(\large{ Ro }\) = Rossby number

\(\large{ U }\) = characteristic velocity

\(\large{ L }\) = characteristic length

\(\large{ f }\) = Coriolis frequency

 

Tags: Equations for Flow