Abstract
Abstract The influence of a high free-stream turbulent field on a spatially evolving turbulent flat plate boundary layer is investigated using large eddy simulation (LES) with a dynamic mixed subgrid-scale model. The evolutions of skin friction, heat transfer coefficient, and flow and thermal field are presented and analyzed. The impact of free-stream turbulence on shear stress and velocity profiles is minimal, whereas substantial heat transfer augmentation is predicted together with a modification of the temperature profiles in the logarithmic and wake regions.
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