Computing the flow past Vortex Generators: Comparison between RANS Simulations and Experiments

M. Manolesos, Niels N. Sørensen, Niels Troldborg, L. Florentie, G. Papadakis, S. Voutsinas

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The flow around a wind turbine airfoil equipped with Vortex Generators (VGs) is examined. Predictions from three different Reynolds Averaged Navier Stokes (RANS) solvers with two different turbulence models and two different VG modelling approaches are compared between them and with experimental data. The best results are obtained with the more expensive fully resolved VG approach. The cost efficient BAY model can also provide acceptable results, if grid related numerical diffusion is minimized and only force coefficient polars are considered.
Original languageEnglish
Article number022014
Book seriesJournal of Physics: Conference Series (Online)
Number of pages13
Publication statusPublished - 2016
EventThe Science of Making Torque from Wind 2016 - Technische Universität München (TUM), Munich, Germany
Duration: 5 Oct 20167 Oct 2016
Conference number: 6


ConferenceThe Science of Making Torque from Wind 2016
LocationTechnische Universität München (TUM)
Internet address

Bibliographical note

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Published under licence by IOP Publishing Ltd


  • Applied fluid mechanics
  • General fluid dynamics theory, simulation and other computational methods
  • Compressible flows; shock and detonation phenomena
  • Rotational flow, vortices, buoyancy and other flows involving body forces
  • Turbulent flows, convection, and heat transfer
  • Fluid mechanics and aerodynamics (mechanical engineering)
  • aerodynamics
  • computational fluid dynamics
  • flow simulation
  • Navier-Stokes equations
  • turbulence
  • vortices
  • wind turbines
  • RANS simulations
  • flow
  • wind turbine airfoil
  • vortex generators
  • Reynolds averaged Navier Stokes solvers
  • RANS solvers
  • turbulence models
  • VG modelling
  • force coefficient polars

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