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Publikationen am FG Aerodynamik

Active flow control by means of synthetic jets on a highly loaded compressor cascade
Citation key Zander_11
Author Zander, V and Hecklau, M and Nitsche, W and Huppertz, A and Swoboda, M
Pages 897-906
Year 2011
DOI 10.1177/0957650911410275
Journal Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy
Volume 225
Number 7
Abstract This article presents the potential of active flow control to increase the aerodynamic performance of highly loaded turbomachinery compressor blades. Experimental investigations on a large-scale compressor cascade equipped with 30 synthetic jet actuators mounted to the sidewalls and the blades themselves have been carried out. Results for a variation of the inflow angle, the jet amplitude, and the actuation frequency are presented. The wake measurements show total pressure loss reductions of nearly 10 per cent for the synthetic jet actuation. An efficiency calculation reveals that the energy saved by actuation is nearly twice the energy consumption of the synthetic jets.
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