3D Simulation of Turbulent Dividing Flow: A Model Comparision
Publish Year: 1390
Type: Conference paper
Language: English
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Document National Code:
NCHP03_394
Index date: 22 March 2012
3D Simulation of Turbulent Dividing Flow: A Model Comparision abstract
The flow at a channel bifurcation is turbulent, highly three-dimensional (3D) and has many complex features. This necessitates a deeper insight into the flow patterns, sediment transport and local scouring phenomenon near the solid boundaries. This paper reports a 3D numerical investigation of these features in an open channel. Simulations have been done on rectangular channel geometry, with smooth bed and sidewalls. The standard k-e, k-w model of Wilcox, and RSM turbulence models are compared using the commercial code FLUENT. The simulation results have been compared with available experimental data. It was found that all of the turbulence models tested here accurately predicted velocity profiles in the main channel but in the branch channel, the RSM model performs best with the k-w model performing better the k-e model
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3D Simulation of Turbulent Dividing Flow: A Model Comparision authors
AKBAR SAFARZADEH
Assistant Professor of Civil-Hydraulic Engineering Faculty of Engineering,Mohaghegh Ardabili University
ZOLFAGHAR SAFARZADEH
Faculty Member Islamic Azad University, Ardabil Branch
S. A. SALEHI NEYSHABOURI
Professor of Hydraulic structures Water Engineering Research Institute, Tarbiat Modares University
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