The 9th International Symposium on ADVANCED TOPICS IN ELECTRICAL ENGINEERING 2015

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Free Surface Flow Over the Broad - Crested Weir

The free surface flow around immersed bodies is a current CFD problem in applied fluid mechanics. The aim of this paper is to present a comparative study between experiments and numerical simulations of the flow around immersed bodies in vicinity of the free surface. The free surface flows in a planar channel were experimentally investigated in subcritical regim at Reynolds number Re=3500, respectively Froude number Fr=0.06. Numerical simulations are performed with the FLUENT code, RNG k - ε turbulent model and the volume of fluid (VOF) model for calculating the free surface geometry being used. The computational results showed a close agreement with experimental data obtained in the laboratory for the flow over the broad-crested weir with smooth and patterned surfaces.

Author(s):

Nicoleta Octavia Tanase    
University Politehnica of Bucharest
Romania

Diana Broboana    
University Politehnica of Bucharest
Romania

Corneliu Balan    
University Politehnica of Bucharest
Romania

 

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