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An Investigation of a Highly-Loaded Transonic Turbine Stage With Compound Leaned Vanes FREE

[+] Author Affiliations
Shi Jing, Han Jianyuan

Nanhwa Powerplant Research Institute

Zhou Shiying, Zhu Mingfu

Shengyang Aero-Engine Research Institute

Zhang Yaoko

The Academy of Science of China

She Mengyu

Tsinghua University

Paper No. 85-IGT-8, pp. V001T02A002; 6 pages
doi:10.1115/85-IGT-8
From:
  • 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

abstract

An investigation was made to compare the performance of a highly-loaded transonic turbine stage with and without compound leaned vanes. In both cases, velocity distribution along the vane surfaces was calculated from a full 3 D time-marching finite volume method. Nozzles were tested in a wind tunnel. Through rig test, velocity profile at the stage exit was measured and the stage overall performance obtained. Performance in both tip and hub regions was improved by using the compound leaned vanes so that the stage efficiency increased by 1% approximately. The improvement is payticylarly remarkable at off-design points.

Copyright © 1985 by ASME
Topics: Turbines
This article is only available in the PDF format.

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