Validation of depth-averaged mixing length turbulence model for uniform channel flows/

Karaman, Çağrı Hasan
A one-dimensional depth averaged turbulence model based on volumetric mixing length definition is developed for shallow flows. Numerical solution of the model is done using finite volume method for steady, uniform closed duct flows to observe lateral momentum exchange over depth discontinuities. The model is verified by comparison to two-dimensional numerical solutions and to the experimental data available in the literature. The model is then applied to uniform free surface flows in rectangular and compound channels. Comparisons with two-dimensional numerical solutions as well as experimental data taken from the literature indicated that depth integrated velocity and bed shear stresses are successfully predicted by the model with good accuracy.


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Citation Formats
Ç. H. Karaman, “Validation of depth-averaged mixing length turbulence model for uniform channel flows/,” M.S. - Master of Science, Middle East Technical University, 2014.