Experiments and modeling of cavitating flows in venturi: attached sheet cavitation

Stéphane Barre (1) , Julien Rolland (1) , Guillaume Boitel (1) , Eric Goncalvès da Silva (1) , Regiane . Fortes Patella (1)

1 LEGI - Laboratoire des Écoulements Géophysiques et Industriels [Grenoble]

Correlated experimental and numerical studies were carried out to analyse cavitating flows and to describe the two-phase flow structures of attached sheet cavitation in Venturi geometries. New double optical probe measurements were performed and special data processing methods were developed to estimate void ratio and velocity fields for cold water flows. By applying a computational method previously developed in LEGI (Laboratoire des Ecoulements Géophysiques et Industriels, Grenoble, France) based on the code FineTM/Turbo and on a barotropic approach, several steady calculations were performed in cold water cavitating flows. Local and global analyses were proposed based on comparisons between experimental and numerical results.

Mots clés: Cavitation; Modelling; Optical Probe; Two-Phase Flow

Domaines: Mécanique des fluides [physics.class-ph]; Mécanique des fluides [physics.class-ph]

Stéphane Barre, Julien Rolland, Guillaume Boitel, Eric Goncalvès da Silva, Regiane . Fortes Patella. Experiments and modeling of cavitating flows in venturi: attached sheet cavitation. European Journal of Mechanics - B/Fluids, 2009, 28 (3), pp.444-464. ⟨10.1016/j.euromechflu.2008.09.001⟩. ⟨hal-00530278⟩