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Adaptive Blade Systems for Increased Operating Range of a Turbomachine

[+] Author Affiliations
Steffen Hammer, Julija Peter, Paul Uwe Thamsen, Dat Tien Phan, Robert Liebich

Berlin Institute of Technology, Berlin, Germany

Robert Meyer

German Aerospace Center, Berlin, Germany

Paper No. AJKFluids2015-33762, pp. V01AT33A019; 6 pages
doi:10.1115/AJKFluids2015-33762
From:
  • ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
  • Volume 1A: Symposia, Part 2
  • Seoul, South Korea, July 26–31, 2015
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5721-3
  • Copyright © 2015 by KSME

abstract

At the Department of Fluid System Dynamics, within the Collaborative Research Centre 1029 funded by the German Research Foundation (DFG), the influence of the rotor-stator interaction by four adaptive blade systems is studied. Using the adjustable stator vane, moveable stator vane, Gurney flaps and piezo actuators the flow losses are decreased by reducing the incidence. Therefore experimental investigations are carried out in a cascade, integrated in a water channel by means of the High-Speed PIV and time-resolved pressure measurement. The presented investigations show an enlargement of the operating range by using Gurney flaps in a rotating system and the adjustable front flap.

Copyright © 2015 by KSME

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