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RESEARCH PAPERS

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

[+] Author and Article Information
Jing Shi, Jianyuan Han

Nanhwa Powerplant Research Institute

Shiying Zhou, Mingfu Zhu

Shengyang Aero-Engine Research Institute

Yaoko Zhang

The Academy of Science of China

Mengyu She

Tsinghua University

J. Eng. Gas Turbines Power 108(2), 265-269 (Apr 01, 1986) (5 pages) doi:10.1115/1.3239898 History: Received May 06, 1985; Online October 15, 2009

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 three-dimensional time-marching finite volume method. Nozzles were tested in a wind tunnel. Through rig tests, 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 approximately 1 percent. The improvement is particularly remarkable at off-design points.

Copyright © 1986 by ASME
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