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Rotating Instability in the Vaneless Diffuser of a Radial Flow Pump

type de publication      article dans une revue internationale avec comité de lecture
date de publication 2008
auteur(s) Dazin Antoine; Coutier Delgosha Olivier; Dupont Patrick; Coudert Sébastien; Caignaert Guy; Bois Gérard
journal (abréviation) Journal of Thermal Science (J Therm Sci)
volume (numéro) 17 (4)
  
pages 368 – 374
résumé The paper refers to the bahavior of a vaneless diffuser of a radial flow pump in partial flow operating conditions. Some experimental data have been obtained using 2d/2C PIV unsteady pressure measurements within the diffuser, in various operating conditions. The experimental results at the lower flow rate are compared with two dimensionnal numerical calculations.
mots clés Vaneless diffuser, Radial flow pump, instability, particle Image Velocimetry, Pressure measurements, 2D Calculations.
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