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The Performance Prediction and Demonstration of a Centrifugal Compressor for the Multiple Purpose Small Power Unit (MPSPU) FREE

[+] Author Affiliations
Tsukasa Yoshinaka, Jean Létourneau

Pratt & Whitney Canada, Longueuil, QC, Canada

R. G. Thompson

Sundstrand, Turbomach, San Diego, CA

Paper No. 89-GT-112, pp. V002T04A004; 8 pages
doi:10.1115/89-GT-112
From:
  • ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • Toronto, Ontario, Canada, June 4–8, 1989
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7914-6
  • Copyright © 1989 by ASME

abstract

This paper describes an analytical procedure for the prediction of the design point performance of a small centrifugal compressor. Results of a subsequent performance demonstration are presented. The geometry of the compressor was derived from an existing stage used in the PW200 engine, but rematched to 6:1 pressure ratio.

Test data obtained from subsequent performance demonstration showed that the predicted performance had been achieved, but at 103% of design speed. A possible cause of this discrepancy is proposed.

Copyright © 1989 by ASME
Topics: Compressors
This article is only available in the PDF format.

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