Experimental Investigation of Dynamic Distortion Properties in Transonic Flow Diffuser FREE

[+] Author Affiliations
Huang Xijun, Li Huaiti, Dong Jinzhong

Beijing Institute of Aeronautics and Astronautics, Beijing, People’s Republic of China

Paper No. 85-IGT-15, pp. V001T02A004; 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


This paper provides a description of experimental studies of various dynamic distortion properties in a two-dimensional transonic diffuser. Based upon the measured dynamic pressure across the diffuser discharge section, the Δ PRMS, amplitude power density and probability density function have been analyzed. The results indicate that the dynamic distortion is closely related to the terminal shock wave stability of transonic diffuser, and the distribution of Δ PRMS and PSD are important Properties for dynamic distortion.

Copyright © 1985 by ASME
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