The purpose of this paper is to develop a second-moment closure with a near-wall turbulent pressure diffusion model for three-dimensional complex flows, and to evaluate the influence of the turbulent diffusion term on the prediction of detached and secondary flows. A complete turbulent diffusion model including a near-wall turbulent pressure diffusion closure for the slow part was developed based on the tensorial form of Lumley and included in a re-calibrated wall-normal-free Reynolds-stress model developed by Gerolymos and Vallet. The proposed model was validated against several one-, two, and three-dimensional complex flows.
Near-Wall Turbulent Pressure Diffusion Modeling and Influence in Three-Dimensional Secondary Flows
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Sauret, E., and Vallet, I. (September 14, 2006). "Near-Wall Turbulent Pressure Diffusion Modeling and Influence in Three-Dimensional Secondary Flows." ASME. J. Fluids Eng. May 2007; 129(5): 634–642. https://doi.org/10.1115/1.2723811
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