Abstract
A two-scale turbulence model for the solution of wall bounded flows is presented. The turbulent diffusion and production of energy are related to the scale of the big eddies, while the decay term in the energy equation is obtained from a modified dissipation equation. The three- equation model utilizes partial differential equations in the external part of the boundary layer only, and is matched with a single equation model in the inner region. The model is compared with data of duct flow and attached adverse pressure gradient flows. Good agreement with experimental data and results of Direct Numerical Simulation is obtained.
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Arad, E., Wolfshtein, M. (1995). Two-Scale Double-Layer Model in Wall Bounded Turbulent Flow. In: Durst, F., Kasagi, N., Launder, B.E., Schmidt, F.W., Suzuki, K., Whitelaw, J.H. (eds) Turbulent Shear Flows 9. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-78823-9_2
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DOI: https://doi.org/10.1007/978-3-642-78823-9_2
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