The Inlet Flow Structure of a Centrifugal Compressor Stage and Its Influence on the Compressor Performance

[+] Author and Article Information
Abraham Engeda, Yunbae Kim

Turbomachinery Laboratory, Mechanical Engineering Department, Michigan State University, East Lansing, MI 48824

Ronald Aungier, Gregory Direnzi

Product Development, Elliott Company, Jeannette, PA

J. Fluids Eng 125(5), 779-785 (Oct 07, 2003) (7 pages) doi:10.1115/1.1601255 History: Received July 30, 2001; Revised April 26, 2003; Online October 07, 2003
Copyright © 2003 by ASME
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Secondary flow structure in a bend inlet
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Vane spacing for the location of each vane to be inserted in bp2 model; (a) bp0 (original bend inlet), (b) bp2 (two vane inserted model), (c) sp_equi_bp
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Grid of inlet models used for compressor stage simulation
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Convention of the stations on compressor cross section
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Grid of 360-deg impeller and diffuser
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Head coefficient comparison
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Stage efficiency comparison
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Total pressure loss coefficient comparison
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Diffuser pressure recovery coefficient comparison
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Flow angle comparison at design point (DP)




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