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Rotating stall in the vaneless diffuser of a radial flow pump

type de publication      communication sans actes
date de publication 2007
auteur(s) Dazin Antoine; Coutier Delgosha Olivier; Dupont Patrick; Coudert Sébastien; Caignaert Guy; Bois Gérard
  
conférence The 8th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows
     lieu lyon
  
résumé The paper refers to the behavior of a vaneless diffuser of a radial flow pump in partial flow operating conditions. Some experimental data have been obtained using 2D/2C PIV and unsteady pressure measurements within the diffuser, in various operating conditions. The experimental results at the lower flow rate are compared with two-dimensionnal nu-merical calculations.
mots clés Vaneless diffuser, Radial flow pump, Instability, Particle Image Velocimetry, Pressure measurements, 2D calculations
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