Abstract
This paper presents results of dynamic Smagorinsky-type model-based large eddy simulation of normally impinging round air-jet heat transfer at moderate Reynolds numbers (4,400, 104, and 2.3 × 104) with orifice-to-plate distance fixed at 5. Using software Open Source Field Operation and Manipulation (OpenFOAM), predicted distributions of mean velocity components, velocity fluctuations, and turbulent stresses in the vertical and radial directions are compared with existing empirical and numerical results. For the predicted heat flow from the target wall, there is satisfactory consistency of the mean Nusselt number in comparison with measured empirical results.
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