# Generation of a Turbulent Boundary Layer Inflow for RANS Simulations

Rona, Aldo and Grottadaurea, Marco and Monti, Manuele and Airiau, Christophe and Gandhi, Thangasivam Generation of a Turbulent Boundary Layer Inflow for RANS Simulations. (2009) In: 15th AIAA/CEAS Aeroacoustics Conference (30th AIAA Aeroacoustics Conference), 11 May 2009, Miami, USA .

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Official URL: http://arc.aiaa.org/doi/abs/10.2514/6.2009-3272

## Abstract

The generation of a fully turbulent boundary layer profile is investigated using analytical and numerical methods over the Reynolds number range $300 \leq Re_{\theta} \leq 31000$. The predictions are validated against reference wind tunnel measurements with a zero streamwise pressure gradient. The analytical method is then tested for favourable pressure gradient by modelling the turbulent boundary layer approaching a two-dimensional potential sink. Both methods show a good predictive ability under a zero pressure gradient, with the numerical method providing a complete velocity profile through the laminar sub-layer down to the wall. This work is of practical interest to computational fluid dynamic practitioners for generating an equilibrium thick turbulent boundary layer at the computational domain inflow.

Item Type: Conference or Workshop Item (UNSPECIFIED) International conference proceedings French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)Other partners > University of Leicester (UNITED KINGDOM) download 21 Feb 2013 09:00

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