Experimental and Numerical Modeling of Flow over a Spillway

M. SALIH, KIRKGOZ and M. SAMI, AKOZ and N. GOKSU, SOYDAN and OGUZ, SIMSEK and VEYSEL, GUMUS (2015) Experimental and Numerical Modeling of Flow over a Spillway. In: Second International Conference on Advances in Civil, Structural and Construction Engineering - CSCE 2015, 18 - 19 April, 2015, Rome, Italy.

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The measured velocity field and free surface profile of flow for two different discharges over a spillway model are used for validation purpose of the two-dimensional computational results of the same flow cases. The governing equations of the spillway flows are numerically solved using Finite Volume Method. The turbulence closure models; Standard k-, Renormalization Group k-, Realizable k-, Modified k-, Shear Stress Transport and Reynolds Stress Model are used in the numerical simulation and the flow profiles are computed using Volume of Fluid (VOF) method. The testing of the numerical results for grid-independent numerical solution is carried out using a GCI analysis. The comparisons of the computed and experimental results for both cases show that the numerical results from the Realizable k-ε model is more successful in predicting the velocity field and free surface of the spillway flow.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Spillway, Numerical solution, Turbulence models, Finite Volume Method, VOF
Depositing User: Mr. John Steve
Date Deposited: 02 May 2019 12:17
Last Modified: 02 May 2019 12:17
URI: http://publications.theired.org/id/eprint/1888

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