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Probing Into the Connotation of Sweep Aerodynamics of Transonic Fans and Compressors

[+] Author Affiliations
X. Q. Xing, X. L. Zhao

Chinese Academy of Science, Beijing, China

S. Zhou

Beijing University of Aeronautics & Astronautics, Beijing, China

Paper No. 2001-GT-0352, pp. V001T03A048; 10 pages
doi:10.1115/2001-GT-0352
From:
  • ASME Turbo Expo 2001: Power for Land, Sea, and Air
  • Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery
  • New Orleans, Louisiana, USA, June 4–7, 2001
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7850-7
  • Copyright © 2001 by ASME

abstract

Theory researches, numerical analyses and experiment studies of sweep aerodynamics in turbo-machinery had rapidly developed during the 1990s. Taking a low-aspect-ratio, high-loaded axial flow transonic rotor as the baseline, this paper attempts to probe the connotation of sweep aerodynamics of transonic fans and compressors. The definition of sweep angle was discussed. Flow field, key factors that affect structures of flow fields, linkage between leading edges as well as flow field structures in swept rotors were presented. In order to find out the optimum sweep leading edge curve under prescribed conditions, a numerical optimization program that can be added into design processes was developed.

Copyright © 2001 by ASME

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