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Hybrid RANS/LES Simulations of the Three-Dimensional Flow at Root Region of a 10 MW Wind Turbine Rotor

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New Results in Numerical and Experimental Fluid Mechanics XI

Part of the book series: Notes on Numerical Fluid Mechanics and Multidisciplinary Design ((NNFM,volume 136))

Abstract

Numerical computations using the Unsteady Reynolds Averaged Navier-Stokes (URANS) and Delayed Detached-Eddy Simulations (DDES) approaches are carried out to investigate the complex three-dimensional flow in the root region of a generic 10 MW wind turbine rotor. Preliminary studies regarding the time step size and the number of rotor revolution required for the time averaging procedure are conducted. In the blade outer region, URANS is sufficient to predict the general flow characteristics, but small discrepancies are observed in the blade root area where the flow is massively separated.

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Acknowledgements

The authors gratefully acknowledge Ministry of Research, Technology and Higher Education of Indonesia, the AVATAR project and the HLRS computing center.

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Authors and Affiliations

  1. Institute of Aerodynamics and Gas Dynamics (IAG), University of Stuttgart, Pfaffenwaldring 21, 70569, Stuttgart, Germany

    Galih Bangga, Pascal Weihing, Thorsten Lutz & Ewald Krämer

Authors
  1. Galih Bangga
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  2. Pascal Weihing
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  3. Thorsten Lutz
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  4. Ewald Krämer
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Corresponding author

Correspondence to Galih Bangga .

Editor information

Editors and Affiliations

  1. Institut für Aerodynamik und Strömungstechnik, Deutsches Zentrum für Luft- und Raumfahrt, Göttingen, Germany

    Andreas Dillmann

  2. Airbus Deutschland, Bremen, Germany

    Gerd Heller

  3. Institut für Aerodynamik und Gasdynamik, Universität Stuttgart, Stuttgart, Germany

    Ewald Krämer

  4. Institut für Aerodynamik und Strömungstechnik, Deutsches Zentrum für Luft- und Raumfahrt, Göttingen, Germany

    Claus Wagner

  5. Institut für Strömungsmechanik, Technische Universität Braunschweig, Braunschweig, Germany

    Stephan Bansmer

  6. Institut für Strömungsmechanik, Technische Universität Braunschweig, Braunschweig, Germany

    Rolf Radespiel

  7. Institut für Strömungsmechanik, Technische Universität Braunschweig, Braunschweig, Germany

    Richard Semaan

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Bangga, G., Weihing, P., Lutz, T., Krämer, E. (2018). Hybrid RANS/LES Simulations of the Three-Dimensional Flow at Root Region of a 10 MW Wind Turbine Rotor. In: Dillmann, A., et al. New Results in Numerical and Experimental Fluid Mechanics XI. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 136. Springer, Cham. https://doi.org/10.1007/978-3-319-64519-3_63

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  • DOI: https://doi.org/10.1007/978-3-319-64519-3_63

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-64518-6

  • Online ISBN: 978-3-319-64519-3

  • eBook Packages: EngineeringEngineering (R0)

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