Aero-thermal numerical characterization of blunt fin-induced shock wave–boundary layer interaction and its control through leading-edge cooling injection

Lozano, Francisco; Saavedra, Jorge; Paniagua, Guillermo

doi:10.1063/5.0102243

Aero-thermal numerical characterization of blunt fin-induced shock wave–boundary layer interaction and its control through leading-edge cooling injection

Journal Article · Tue Sep 27 00:00:00 EDT 2022 · Physics of Fluids

DOI:https://doi.org/10.1063/5.0102243· OSTI ID:1889507

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This study represents a novel evaluation of active flow control to alleviate the aerothermal penalties created by the blunt fin-induced shock wave–boundary layer interaction. The manuscript analyzes the effect of flow injection on a blunt fin-induced shock wave–boundary layer interaction via computational fluid dynamics simulations with various degrees of resolution. The impact on the mean flow topology and wall variables was investigated utilizing Reynolds-averaged Navier–Stokes simulations. Detached-eddy simulations revealed the low-frequency shock motion, shock wave–boundary layer, and horseshoe vortex interaction. The test article was exposed to two different incoming boundary layer thicknesses; the thicker boundary layer led to the appearance of larger turbulent scales. The Detached-eddy simulations revealed the time history of the shock wave–boundary layer interaction, focusing on the inception and development of the recirculated flow regions. Ultimately, spectral proper orthogonal decomposition was employed to identify the structures associated with the low-frequency shock motion caused by the shock wave–boundary layer interaction.

View Accepted Manuscript (Publisher)

Sponsoring Organization:: USDOE

OSTI ID:: 1889507

Journal Information:: Physics of Fluids, Journal Name: Physics of Fluids Journal Issue: 9 Vol. 34; ISSN 1070-6631

Publisher:: American Institute of PhysicsCopyright Statement

Country of Publication:: United States

Language:: English

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