Rouse number

Rouse number

The Rouse number is a non-dimensional number in fluid dynamics which determines how sediment will be transported in a flowing fluid. It is a ratio between the sediment fall velocity w_s and the upwards velocity on the grain as a product of the von Kármán constant kappa and the shear velocity u_*.

extbf{Rouse}=frac{w_s}{kappa u_*}


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