Feeder propellers
Special-technology rotodynamic pumps

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BM4317 V1 Article

Feeder propellers


Special-technology rotodynamic pumps

Author : Jean POULAIN

Publication date: October 10, 1998 | Lire en français

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3. Feeder propellers

The feeding propeller is also known as the inductor. In what follows, we'll use both names interchangeably.

Reminders

As the subject is entirely focused on cavitation (passage into the vapour phase of a small fraction of the liquid being pumped) and pump suction capacity, the reader will find it useful to refer to article BM 4 313 [23].

To help you understand the presentation, we'll remind you of 3 definitions.

  • (Net Positive Suction Head)NPSHavailable: this is the net suction head of the pump. We refer to it as NPSHd. It is equal to:NPSHd = (p ta - p V...

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