Article | REF: BM4302 V1

Rotodynamic pumps - Operating mode

Authors: Robert REY, Farid BAKIR, Jean POULAIN

Publication date: January 10, 2012 | Lire en français

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    A  |  A

    2. Operation outside the nominal point

    2.1 Characteristic curves of a centrifugal pump

    The theoretical height, for an infinite number of blades, is given by Euler's relation :

    Hth =U2Vu2g

    Following the continuity equation and the property of output velocity triangles, we write :

    Vr2=Q2πR2b2Vu2=U2Vr2tanβ2

    ...

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    Operation outside the nominal point