Assessment of Single- and Two-Zone Modeling of Centrifugal Compressors, Studies in Component Performance: Part 3 PUBLIC ACCESS

[+] Author Affiliations
D. Japikse

Concepts ETI, Inc., Norwich, VT

Paper No. 85-GT-73, pp. V001T03A023; 13 pages
  • ASME 1985 International Gas Turbine Conference and Exhibit
  • Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery
  • Houston, Texas, USA, March 18–21, 1985
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7938-2
  • Copyright © 1985 by ASME


Single- and two-zone modeling, as used to describe the performance of centrifugal compressors, is evaluated against basic laboratory data. The historical industrial usage of single-zone modeling is reviewed and documented while indicating inherent errors as well as areas of applicability. Enhanced accuracy of two-zone modeling (also called jet-wake modeling in limited instances) is demonstrated and advantages for advanced design optimization studies are documented. An original and rigorous derivation of the two-zone (jet-wake) modeling equations is given which resolves discrepancies in earlier derivations. This paper is part of a seven-paper series presenting the foundation, history and application of two-zone modeling.

Copyright © 1985 by ASME
Topics: Compressors , Modeling
This article is only available in the PDF format.



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