Lip Separate Flow Blowing and Analysis of Coherence of Inlet PUBLIC ACCESS

[+] Author Affiliations
He Zhongwei, Zhang Shiying

Nanjing Aeronautical Institute, Nanjing, The People’s Republic of China

Paper No. 85-IGT-68, pp. V001T02A023; 5 pages
  • 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


It is found in the experiments that blowing at the lip separation of the inlet obviously reduces the turbulences at the inlet exit, and apparently reduces the intensity of pressure fluctuations caused by the shock-boundary layer interaction down-stream of throat. The coherence between pressure in the interaction region and total pressure at the exit is also reduced.

The coherence between the pressure in the lip separation region and total pressure at the exit is 0.32. If, in addition, there is a stronger shock down-stream of the throat the above mentioned coherence is reduced to 0.06.

Copyright © 1985 by ASME
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