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Scale-Adaptive Simulation (SAS) of Dynamic Stall on a Wind Turbine

  • Abdolrahim RezaeihaEmail author
  • Hamid Montazeri
  • Bert Blocken
Conference paper
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 143)

Abstract

Scale-adaptive simulation (SAS) approach is employed to investigate the complex dynamic stall phenomena occurring on a wind turbine blade. The results are compared with the more popular less computationally-expensive unsteady Reynolds-averaged Navier-Stokes (URANS) approach where the latter is validated using three sets of experimental data. The comparison reveals that the two approaches have similar predictions of the instant of the formation/bursting/shedding of the laminar separation bubble (LSB) and dynamic stall vortex (DSV), the size of the LSB and aerodynamic loads during the upstroke. This is while the two approaches exhibit dissimilar predictions of the trailing-edge vortex characteristics, its interaction with the DSV, number of secondary vortices and aerodynamic loads during the downstroke.

Keywords

Wind energy Vertical axis wind turbine (VAWT) Turbulence modeling Hybrid RANS/LES Blade-wake interaction 

Notes

Acknowledgements

The authors acknowledge support from the EU Horizon 2020 (H2020-MSCA-ITN-2014), the TU1304 COST ACTION “WINERCOST, the partnership with ANSYS CFD, the NWO and FWO 12M5319N.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Abdolrahim Rezaeiha
    • 1
    Email author
  • Hamid Montazeri
    • 1
    • 2
  • Bert Blocken
    • 1
    • 2
  1. 1.TU EindhovenEindhovenThe Netherlands
  2. 2.KU LeuvenLeuvenBelgium

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