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An Experimental Investigation Into the Influence of Blade Leaning on the Losses Downstream of Annular Cascades With a Small Diameter-Height Ratio FREE

[+] Author Affiliations
Han Wanjin, Wang Zhongqi, Xu Wenyuan

Harbin Institute of Technology, Harbin, People’s Republic of China

Paper No. 88-GT-19, pp. V001T01A003; 8 pages
doi:10.1115/88-GT-19
From:
  • ASME 1988 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Amsterdam, The Netherlands, June 6–9, 1988
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7918-4
  • Copyright © 1988 by ASME

abstract

Five types of cascades with different leaned blades have been tested in a low speed annular cascade tunnel. The experimental results show that by using positively leaned blades the hub wall boundary layer in cascade passage can be sucked into main stream zone, and the amount of low energy gas getting into downstream of the cascade is reduced obviously, so that the energy losses downstream is decreased considerably.

Copyright © 1988 by ASME
Topics: Blades
This article is only available in the PDF format.

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