Écoulement turbulent dans une cavité rotor-stator fermée de grand rapport d'aspect

A direct numerical simulation is combined with laboratory study to describe the turbulent flow in an annular high speed rotor-stator cavity. Comparisons are made for a turbulent flow characterized by a Reynolds number Re=ΩR22/ν=9.5×104 in a shrouded cavity of large aspect ratio G=(R2−R1)/h=18.32, where R1 and R2 are the inner and outer radii of the rotating disk, and h is the inter-disk space. A close agreement is found between the computed results and the experimental data for the mean and turbulent fields.  To cite this article: S. Poncet, A. Randriamampianina, C. R. Mecanique 333 (2005).