The Influence of the Radial Pressure Gradient on the Blade Root Loss in an Annular Subsonic Nozzle Cascade PUBLIC ACCESS

[+] Author Affiliations
Meng Dai, Weng Zemin, Xiang Yimin

Xi’an Jiaotong University, Xi’an, China

Paper No. 85-IGT-132, pp. V001T02A047; 7 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 presents a method for predicting the blade root loss in an annular nozzle cascade in which the consideration is given to the influence of the radial pressure gradient (RPG) on it. The variation of blade root losses under different RPG is obtained experimentally and finite element method is used to calculate the pressure distribution in the blade passage.

Copyright © 1985 by ASME
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