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Modified Characteristic Method for Calculation of Supersonic S2 Flow Field in Compressor FREE

[+] Author Affiliations
Bo Tao, Shen Ping-Cheng

Shanghai Institute of Mechanical Engineering, Shanghai, China

Paper No. 85-IGT-89, pp. V001T02A033; 5 pages
doi:10.1115/85-IGT-89
From:
  • ASME 1985 Beijing International Gas Turbine Symposium and Exposition
  • Volume 1: Aircraft Engine; Turbomachinery
  • Beijing, People’s Republic of China, September 1–7, 1985
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7942-9
  • Copyright © 1985 by ASME

abstract

It is understood that the flow field calculation for the high-loaded super- or transonic compressor in inviscid gas model is essential in order to minimize the complexity of viscid calculation and, hereof the characteristic method has been often adopted for its relative effectiveness. However, due to the irregular grids and complex boundary conditions in turbomachines some difficulties still remain. This paper introduces a simpler and more practical characteristic method adopting reverse directional differentials for solving supersonic S2 flow field in supersonic or transonic compressors.

Copyright © 1985 by ASME
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