Noise reduction
Pump noise
Article REF: BM4179 V1
Noise reduction
Pump noise

Author : Jean POULAIN

Publication date: July 10, 1998 | Lire en français

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9. Noise reduction

9.1 Noise reduction at source

In this section, we will focus on the two main lines found on a pump:

  • the line at rotational frequency N of mechanical origin ;

  • the line at frequency n r N of hydraulic origin.

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9.1.1 Line at frequency N and its harmonics

Its main origins are :

  • mechanical and hydraulic unbalance ;...

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