Modeling Sediment Transport in Rectangular Ducts with a Two-Equation Model of Turbulence

by B. A. Younis, City Univ, United Kingdom,
O. E. Abdellatif, City Univ, United Kingdom,

Document Type: Proceeding Paper

Part of: Sediment Transport Modeling


The paper deals with the application of a two-equation model of turbulence to the calculation of flows in rectangular ducts. A non-linear relationship is used to link the Reynolds stresses with the mean rates of strain. This enabled a standard eddy-viscosity model to reproduce the turbulence-driven secondary motions. A preliminary assessment of the bedload transport rates in the presence of these motions is included.

Subject Headings: Hydrologic models | Motion (dynamics) | Mathematical models | Fluid flow | Sediment transport | Reynolds stress | Strain rates | Turbulent flow

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