Experimental Investigations of Flows Through a Plane Cascade at Large Angles of Attack With Separations

[+] Author and Article Information
Chuan-Gang Gu, Lai-Qin Luo, Yong-Miao Miao

Department of Power Mechanical Engineering, Xi’an Jiaotong University, People’s Republic of China

J. Turbomach 110(3), 323-328 (Jul 01, 1988) (6 pages) doi:10.1115/1.3262200 History: Received February 06, 1987; Online November 09, 2009


Measurements of various parameters in the flows through a cascade at different angles of attack have been performed. The parameters, such as Reynolds stresses (uu /U2 , vv /U2 , and uv /U2 ) , pressure distribution on the blade surface, velocity distribution in the blade passage, position of the separation point, and so on, are measured at a large angle of attack with separations. In addition, the development of wake is also investigated. A new formula with second-order accuracy has been developed to analyze hot-wire signals in flows with high turbulence intensity. The hot-wire data are compared with those by conventional measurement techniques and by flow visualizations. The results are satisfactory.

Copyright © 1988 by ASME
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