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HYBRID RANS/LES SIMULATIONS OF SWIRLING CONFINED TURBULENT JETS

Chris De Langhe
Dept. of Flow, Heat and Combustion Mechanics, Ghent University, St. Pietersnieuwstraat 41, B-9000 Gent, Belgium

Bart Merci
Department of Mechanics of Flow, Heat and Combustion, Ghent University, St-Pietersnieuwstraat 41, 9000 Gent; and Postdoctoral Fellow of the Fund of Scientific Research - Flanders,Belgium

Koen Lodefier
Dept. of Flow, Heat and Combustion Mechanics, Ghent University, St. Pietersnieuwstraat 41, B-9000 Gent, Belgium

Erik Dick
Dept. of Flow, Heat and Combustion Mechanics, University of Gent, St. Pietersnieuwstraat 41, 9000 Gent, Belgium

Abstract

A hybrid RANS/LES model, previously developed by the authors, is validated for turbulent flow in swirling confined jets. The results are compared with the experimental data of Dellenback (1988).