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Data reduction problems using a 3 holes directional pressure probe to investigate mean flow characteristics in the vaneless gap between impeller and diffuser radial pump

Communication avec acte
Auteur
CHERDIEU, Patrick
DUPONT, Patrick
BOIS, Gérard
ccDAZIN, Antoine
1252 Laboratoire de Mécanique de Lille - FRE 3723 [LML]
ccBAYEUL-LAINÉ, Annie-Claude

URI
http://hdl.handle.net/10985/7601
DOI
10.1088/1757-899X/52/2/022018
Date
2013

Résumé

Among several different measurement techniques that have been already performed and presented in a radial impeller pump model including PIV, a directional pressure probe has been used to obtain mean velocity field and stagnation pressure between impeller outlet and the inlet vaned diffuser sections. These measurements are supposed to get more information not only about global pump head coefficient including vaned diffuser ones but also about impeller performances itself. Pressure probe information is affected by rotor-stator interactions and impeller rotation, and this paper presents a way to explain and correct pressure probe indications in order to achieve a better evaluation of overall impeller mean performances. The use of unsteady RANS calculation results is found to be a useful way to perform better data reduction analysis for this purpose

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  • Laboratoire de Mécanique des Fluides de Lille (LMFL)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Comparaisons between numerical calculations and measurements in the vaned diffusor of SHF impeller 
    Communication avec acte
    DUPONT, Patrick; CHERDIEU, Patrick; BOIS, Gérard; ROUSSETTE, Olivier; ccDAZIN, Antoine; ccBAYEUL-LAINÉ, Annie-Claude (2012)
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  • INVESTIGATIONS IN A VANED DIFFUSER OF SHF IMPELLER 
    Communication avec acte
    DUPONT, Patrick; CAVAZZINI, Giovanna; CHERDIEU, Patrick; BOIS, Gérard; ROUSSETTE, Olivier; ccDAZIN, Antoine; ccBAYEUL-LAINÉ, Annie-Claude (2013)
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  • NUMERICAL AND EXPERIMENTAL INVESTIGATIONS IN A VANED DIFFUSER OF SHF IMPELLER: FLUID LEAKAGE EFFECT 
    Communication avec acte
    DUPONT, Patrick; CAVAZZINI, Giovanna; CHERDIEU, Patrick; BOIS, Gérard; ROUSSETTE, Olivier; ccDAZIN, Antoine; ccBAYEUL-LAINÉ, Annie-Claude (2013)
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  • Comparisons rans and urans numerical results with experiments in a vaned diffuser of a centrifugal pump 
    Article dans une revue avec comité de lecture
    DUPONT, Patrick; CAVAZZINI, Giovanna; PAVESI, Giorgio; CHERDIEU, Patrick; BOIS, Gérard; ROUSSETTE, Olivier; ccDAZIN, Antoine; ccBAYEUL-LAINÉ, Annie-Claude (EDP Sciences, 2015)
    The paper presents the analysis of the performance and the internal flow behaviour in the vaned diffuser of a radial flow pump using PIV (particles image velocimetry) technique, pressure probe traverses and numerical ...
  • Analysis of Unsteadinesses in a Vaned Diffuser of Centrifugal Machinery. 
    Communication avec acte
    CHERDIEU, Patrick; ccDAZIN, Antoine; DUPONT, Patrick; ccBAYEUL-LAINÉ, Annie-Claude; ROUSSETTE, Olivier; BOIS, Gérard (2013)
    The aim of this article is to present experimental results obtained on a fan composed of a radial impeller matched with a vaned diffuser. There is no volute downstream to the diffuser. Consequently the diffuser outlet is ...

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