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A Comparison of Optimal, Binary Closed-Loop Active Flow Control Applied to an Annular Compressor Stator Cascade with Periodic Disturbances
Citation key 2022_fietzke_springerafcc
Author Fietzke, B. and Mihalyovics, J. and King, R. and Peitsch, D.
Title of Book Active Flow and Combustion Control 2021
Pages 321–335
Year 2022
ISBN 978-3-030-90727-3
ISSN 1612-2909
DOI 10.1007/978-3-030-90727-3_20
Location Switzerland
Address Cham
Volume 152
Note Paper Contributed to the Conference “Active Flow and Combustion Control 2021”, September 28–29, 2021, Berlin, Germany

Technische Universität Berlin:
B. Fietzke, J. Mihalyovics, R. King, D. Peitsch
Editor King, Rudibert and Peitsch, Dieter
Publisher Springer International Publishing
Series Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Abstract Pressure gain combustion has been proposed to exploit superior thermodynamic cycles in gas turbines. However, further research on their integration is needed to reduce the induced negative effects on the last stages of a compressor. In this contribution, mitigation results on the effects of periodic disturbances on an annular compressor stator rig are presented and compared for different closed-loop controllers. Instead of a real, unsteady combustion setup, a rotating disc was installed to create periodic disturbances downstream of each passage. Pneumatic active flow control served to influence the suction side of each stator blade.
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