Dynamics of turbulent natural convection in a cubic cavity with centrally placed partially heated inner obstacle
Sofen Kumar Jena,
Rémi Manceau
Abstract:Natural convection in a cavity with a partially heated obstacle at the center at the Rayleigh number Ra=1.46×109 is investigated using large eddy simulation (LES). The standard and dynamic Smagorinsky models, as well as the wall-adapting local eddy-viscosity model, are used for the subgrid scales, and the flow statistics are compared with recent experiments. The LES results obtained with different meshes show overall good agreement with the experiments as concerns the flow and heat transfer. Simulation with a … Show more
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