Pressure pulsations in centrifugal pumps are created by the wake flow from the impeller blade trailing edge and by large-scale turbulence and vortices generated by flow separation and flow recirculation at part load. The physical mechanisms causing pressure pulsations and the design parameters having an influence on the level of the pressure pulsations are reviewed. The system in which a pump is operated has a strong impact on the level of pressure pulsations measured, which also depends on the detailed design of the impeller and the diffuser. These effects cannot be predicted theoretically. Therefore, statistical data of 36 tests with different pump configurations are given in order to document the level of pulsations which can be achieved.
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April 1992
Research Papers
Pressure Pulsations in Centrifugal Pumps
J. F. Guelich,
J. F. Guelich
Sulzer Brothers Limited, Pump Division, Winterthur, Switzerland
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U. Bolleter
U. Bolleter
Sulzer Brothers Limited, Pump Division, Winterthur, Switzerland
Search for other works by this author on:
J. F. Guelich
Sulzer Brothers Limited, Pump Division, Winterthur, Switzerland
U. Bolleter
Sulzer Brothers Limited, Pump Division, Winterthur, Switzerland
J. Vib. Acoust. Apr 1992, 114(2): 272-279 (8 pages)
Published Online: April 1, 1992
Article history
Received:
August 1, 1990
Online:
June 17, 2008
Citation
Guelich, J. F., and Bolleter, U. (April 1, 1992). "Pressure Pulsations in Centrifugal Pumps." ASME. J. Vib. Acoust. April 1992; 114(2): 272–279. https://doi.org/10.1115/1.2930257
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