Influence of inflow turbulence in shock-wave/turbulent-boundary-layer interaction computations

Gerolymos, G.A., Sauret, Emilie, & Vallet, I. (2004) Influence of inflow turbulence in shock-wave/turbulent-boundary-layer interaction computations. AIAA Journal, 42(6), pp. 1101-1106.

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Abstract

The influence of inflow turbulence on the results of Favre–Reynolds-averaged Navier–Stokes computations of supersonic oblique-shock-wave/turbulent-boundary-layer interactions (shock-wave Mach-number MSW ∼2.9), using seven-equation Reynolds-stress model turbulence closures, is studied. The generation of inflow conditions (and the initialization of the flowfield) for mean flow, Reynolds stresses, and turbulence length scale, based on semi-analytic grid-independent boundary-layer profiles, is described in detail. Particular emphasis is given to freestream turbulence intensity and length scale. The influence of external-flow turbulence intensity is studied in detail both for flat-plate boundary-layer flow and for a compression-ramp interaction with large separation. It is concluded that the Reynolds-stress model correctly reproduces the effects of external flow turbulence.

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12 citations in Web of Science®

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ID Code: 56333
Item Type: Journal Article
Refereed: Yes
DOI: 10.2514/1.2257
ISSN: 0001-1452
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 10 Jan 2013 04:57
Last Modified: 14 Jan 2013 05:14

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