Operation outside the nominal point
Rotodynamic pumps - Operating mode

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Operation outside the nominal point


Rotodynamic pumps - Operating mode

Authors : Robert REY, Farid BAKIR, Jean POULAIN

Publication date: January 10, 2012 | Lire en français

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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

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