Large Eddy Simulation and experimentation in an enclosed rotor-stator flow - Archive ouverte HAL Accéder directement au contenu
Communication Dans Un Congrès Année : 2007

Large Eddy Simulation and experimentation in an enclosed rotor-stator flow

Résumé

Comparisons between Large Eddy Simulation (LES) and velocity measurements have been performed for the turbulent flow in a real shrouded rotor-stator configuration. To investigate turbulent flow regimes, Séverac et al.(2006) have developed a stabilization technique, called SVV (Spectral Vanishing Viscosity), which exhibits the properties of preserving the spectral accuracy of the approximation used in direct numerical simulation (DNS). Thus, numerical results and experimental data have been favourably compared for a large range of the rotational Reynolds numbers up to one million in an annular cavity of curvature parameter Rm=(b+a)/(b-a)=1.8 and of aspect ratio G=(b-a)/h=5, where a and b are respectively the inner and outer radii of the rotating disk and h is the interdisk spacing. Coherent vortices have been identified numerically in both boundary layers using the Q-criterion of Hunt et al. (1988).
Fichier principal
Vignette du fichier
LES-CFM2007.pdf (749.69 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-00170262 , version 1 (07-09-2007)

Identifiants

  • HAL Id : hal-00170262 , version 1

Citer

Eric Séverac, Sébastien Poncet, Eric Serre, Marie-Pierre Chauve. Large Eddy Simulation and experimentation in an enclosed rotor-stator flow. CFM 2007 - 18ème Congrès Français de Mécanique, Aug 2007, Grenoble, France. pp.1-6. ⟨hal-00170262⟩
114 Consultations
54 Téléchargements

Partager

Gmail Facebook X LinkedIn More