Mixing Layer Analysis in Variable Density Turbulent FlowA.E. Alshayji
Department of Mechanical Engineering, College of Engineering and Petroleum, Kuwait University, Safat, Kuwait
In this study, numerical simulations of mixing in turbulent flow, subject to a change in density, are performed. Attention is focused on the binary mixing between two streams of fluid in which a variable density step are formed due to a difference in the temperature. This binary mixing problem performed by assuming low Mach number flow. The results demonstrate the variable density effects and turbulent intensity on the mixing layer between the hot and cold streams of fluids. Simulations for thermal mixing layer was successfully computed by using the Weakly Compressible Navier-Stokes application mode in COMSOL Multiphysics.
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