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Experimental investigation of rotor-stator interaction in a centrifugal pump with several vaned diffusersSteady and unsteady diffuser vane pressure measurements have been conducted with a two-dimensional test impeller, in an experimental investigation of rotor-stator interaction within a centrifugal pump having several vaned diffusers, under conditions of different flow coefficients and different radial gaps between the impeller blade trailing edge and the diffuser vane leading edge. The largest pressure fluctuations on the diffuser vanes and the impeller blades were found to be of the same order of magnitude as the total pressure rise across the pump. Increasing the number of diffuser vanes was found to result in a significant decrease of impeller blade pressure fluctuations.
Document ID
19900035611
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Arndt, N.
(California Inst. of Tech. Pasadena, CA, United States)
Acosta, A. J.
(California Inst. of Tech. Pasadena, CA, United States)
Brennen, C. E.
(California Inst. of Tech. Pasadena, CA, United States)
Caughey, T. K.
(California Institute of Technology Pasadena, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Publication Information
Publication: ASME, Transactions, Journal of Turbomachinery
Volume: 112
ISSN: 0889-504X
Subject Category
Fluid Mechanics And Heat Transfer
Report/Patent Number
ASME PAPER 89-GT-62
Accession Number
90A22666
Funding Number(s)
CONTRACT_GRANT: NAS8-33108
Distribution Limits
Public
Copyright
Other

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