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AN IMPROVED VERSION OF THE ELLIPTIC BLENDING MODEL APPLICATION TO NON-ROTATING AND ROTATING CHANNEL FLOWS

Remi Manceau
Institute Pprime, Dept. Fluid flow, heat transfer and combustion, CNRS-Univ. of Poitiers-ENSMA, France; Lab. de mathematiques et de leurs applications (LMA) CNRS-Universite de Pau et des pays de I'Adour IPRA, avenue de I'universite 64013 Pau, France; Inria Bordeaux-Sud-Ouest, project-team CAGIRE

Résumé

An improved version of the Elliptic Blending Model, a second moment closure derived from the Elliptic Relaxation Model of Durbin, is applied to non-rotating and rotating channel flows. The model gives very satisfactory results up to very high rotation rates, at least for the highest Reynolds number considered (Re = 7000). These results are very encouraging for turbomachinery applications.