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Jet-Wake Analysis for Centrifugal Compressor Static Pressure Rise and Deviation Angle PUBLIC ACCESS

[+] Author Affiliations
R. C. Pampreen

Williams International, Walled Lake, MI

Paper No. 82-GT-13, pp. V001T01A006; 6 pages
doi:10.1115/82-GT-13
From:
  • ASME 1982 International Gas Turbine Conference and Exhibit
  • Volume 1: Turbomachinery
  • London, England, April 18–22, 1982
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7956-6
  • Copyright © 1982 by ASME

abstract

This paper discusses the static pressure recovery characteristics of four different centrifugal compressor impellers. Comparison is made to effectiveness values obtained with rectangular and conical diffuser data. Effectiveness levels comparable to the diffuser data occur up to the point of maximum flow path curvature. In the radial portion of the impellers, rotation affects static pressure recovery. Also presented are values of rotor exit deviation angle deduced from the jet-wake analysis of these four impellers. It was found that deviation angle is only a function of blade exit angle. The sensitivity of the value of calculated deviation angle to the magnitude of assumed aerodynamic blockage is discussed. For the jet-wake model, the deviation angle is zero for blade exit angles of thirty degrees.

Copyright © 1982 by ASME
Topics: Pressure , Compressors , Wakes
This article is only available in the PDF format.

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