Numerical Solution to Transonic Potential Equations on S2 Stream Surface in a Turbomachine FREE

[+] Author Affiliations
J. Y. Du, J. Z. Xu

Institute of Engineering Thermophysics, Academy Sinica, Beijing, China

Y. Q. Zhao, Y. Guo

Nanhua Power Research Institute, Zhuzhou, Hunan, China

Paper No. 88-GT-82, pp. V001T01A036; 5 pages
  • ASME 1988 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Amsterdam, The Netherlands, June 6–9, 1988
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7918-4
  • Copyright © 1988 by ASME


A non-isentropic potential method on a S2 stream surface has been developed for the design and analysis of transonic compressors with shocks, in which the entropy increase across a shock may be directly calculated from the momentum equations in the divergence form. The numerical results show that the non-isentropic shock is weaker and placed one or two meches further upstream compared to the classical potential calculation, and is in good agreement with the experimental data.

Copyright © 1988 by ASME
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