An Experimental Investigation Into Unsteady Blade Forces and Blade Losses in Axial Compressor Blade Cascade

[+] Author and Article Information
F. Sugeng, K. Fiedler

Hochschule der Bundeswehr, Hamburg

J. Eng. Gas Turbines Power 108(1), 47-52 (Jan 01, 1986) (6 pages) doi:10.1115/1.3239884 History: Received January 07, 1985; Online October 15, 2009


The unsteady flow problem in the axial compressor has been simulated in wind-tunnels by means of high-speed rotating cylinders upstream of the blade row. To obtain the dynamic changes in the flow properties 20 high-response pressure transducers and 20 high-response hot-film, which are embedded at the surface of the selected blade, have been used in connection with a periodic sampling and averaging technique in digital data acquisition and reduction. The fluctuating forces and the fluctuating drags acting on the blade due to passing wakes shedding through the blade row are carried out.

Copyright © 1986 by ASME
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