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

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

Document Type: Proceeding Paper

Part of: Sediment Transport Modeling:

Abstract: 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: Mathematical models | Turbulence | Sediment transport | Duct | Turbulent flow | Reynolds stress | Eddy (fluid dynamics) | Motion (dynamics) |

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