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Numerical and experimental comparison of the vaned diffuser interaction inside the impeller velocity field of a centrifugal pump

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Abstract

The paper refers to the analysis of interactions between the impeller and the vaned diffuser based on the air model of a radial flow pump. The study deals with a numerical simulation of the flow for a full 360° entire impeller and diffuser. The task is carried out closely under the design operating conditions and for one particular position of the impeller blade with respect to the diffuser frame. Among all the results, the focus is mainly on the flow pattern at the exit part inside the impeller facing the diffuser vanes. The results are compared to the available PIV measurements.

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Authors and Affiliations

  1. Laboratory of Advanced Mechanics, FGMGP/USTHB, BP32, El Alia, 16111, Alger, Algeria

    Abdelmadjid Atif & Saad Benmansour

  2. Laboratory of Mechanics of Lille, ENSAM-Lille, 8 Bd Louis XIV, 59046, Lille, France

    Gerard Bois

  3. Laboratory of Mechanics of Lille, EC-Lille, BP48, Villeneuve d’Ascq, 59651, Lille, France

    Patrick Dupont

Authors
  1. Abdelmadjid Atif
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  2. Saad Benmansour
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  3. Gerard Bois
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  4. Patrick Dupont
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Correspondence to Gerard Bois.

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Atif, A., Benmansour, S., Bois, G. et al. Numerical and experimental comparison of the vaned diffuser interaction inside the impeller velocity field of a centrifugal pump. Sci. China Technol. Sci. 54, 286–294 (2011). https://doi.org/10.1007/s11431-010-4260-5

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  • DOI: https://doi.org/10.1007/s11431-010-4260-5

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