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Numerical simulation of a turbulent wake subjected to adverse pressure gradient

Guseva, E. K.; Strelets, M. Kh.; Breitenstein, Wiebke; Scholz, Peter

Results are presented of high-fidelity scale-resolving simulations of the wake flow exposed to adverse pressure gradient (APG). Specifically, zonal RANS-IDDES computations are performed of the flow model designed and manufactured at the Technische Universität Braunschweig in the framework of a joint German-Russian project "Wake in Adverse Pressure gradient". The model includes a flat plate as the wake generator and two pairs of thin liner foils creating APG. Results of the computations of mean flow characteristics agree with currently available experimental data and differ from those of the RANS predictions. This suggests the necessity of RANS models improvement which is planned to be done with the use of the combined experimental/numerical database on the mean flow and turbulence statistics of the wake accumulated in the course of the project.

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Guseva, E.K., Strelets, M.K., Breitenstein, W., Scholz, P., 2019. Numerical simulation of a turbulent wake subjected to adverse pressure gradient. https://doi.org/10.1088/1742-6596/1400/7/077046
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