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Distributed Closed-Loop Lift Control for Performance Recovery of a Thick Turbulent Airfoil

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Instability and Control of Massively Separated Flows

Part of the book series: Fluid Mechanics and Its Applications ((FMIA,volume 107))

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Abstract

The experiment was aimed at recovering performance of a thick, turbine blade airfoil degraded due to poor surface quality at Reynolds number of around 500,000. A closed-loop system that controls lift is presented. We used up to three rows of “synthetic jets” coupled with an array of time resolved hot film and pressure sensors to estimate the separation location and lift. Using an amplitude distribution algorithm it was possible to recover the clean turbine blade performance and change the blades lift force as desired over a range of working conditions.

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Author information

Authors and Affiliations

  1. Meadow Aerodynamics Laboratory, School of Mechanical Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv, Israel

    Victor Troshin & Avraham (“Avi”) Seifert

Authors
  1. Victor Troshin
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  2. Avraham (“Avi”) Seifert
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Corresponding authors

Correspondence to Victor Troshin or Avraham (“Avi”) Seifert .

Editor information

Editors and Affiliations

  1. School of Aerospace Engineering, Technical University of Madrid, Madrid, Spain

    Vassilis Theofilis

  2. Department of Mechanical and Aerospace Engineering, Monash University, Melbourne, VIC, Australia, and Department of Aeronautical Engineering, King Abdulaziz University, Jeddah, Saudi Arabia

    Julio Soria

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© 2015 Springer International Publishing Switzerland

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Troshin, V., Seifert, A. (2015). Distributed Closed-Loop Lift Control for Performance Recovery of a Thick Turbulent Airfoil. In: Theofilis, V., Soria, J. (eds) Instability and Control of Massively Separated Flows. Fluid Mechanics and Its Applications, vol 107. Springer, Cham. https://doi.org/10.1007/978-3-319-06260-0_11

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  • DOI: https://doi.org/10.1007/978-3-319-06260-0_11

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-06259-4

  • Online ISBN: 978-3-319-06260-0

  • eBook Packages: EngineeringEngineering (R0)

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