Mean Streamline Aerodynamic Performance Analysis of Centrifugal Compressors

[+] Author and Article Information
R. H. Aungier

Product Development, Elliott Company, Jeannette, PA 15644

J. Turbomach 117(3), 360-366 (Jul 01, 1995) (7 pages) doi:10.1115/1.2835669 History: Received July 01, 1994; Online January 29, 2008


Aerodynamic Performance prediction models for centrifugal compressor impellers are presented. In combination with similar procedures for stationary components, previously published in the open literature, a comprehensive mean streamline performance analysis for centrifugal compressor stages is provided. The accuracy and versatility of the overall analysis is demonstrated for several centrifugal compressor stages of various types, including comparison with intrastage component performance data. Detailed validation of the analysis against experimental data has been accomplished for over a hundred stages, including stage flow coefficients from 0.009 to 0.15 and pressure ratios up to about 3.5. Its application to turbocharger stages includes pressure ratios up to 4.2, but with test uncertainty much greater than for the data used in the detailed validation studies.

Copyright © 1995 by The American Society of Mechanical Engineers
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