Research Article

Validation of the Beddoes–Leishman dynamic stall model for horizontal axis wind turbines using MEXICO data

  1. Ricardo Pereira1,*,
  2. Gerard Schepers2,
  3. Marilena D. Pavel1

Article first published online: 14 MAR 2012

DOI: 10.1002/we.541

Issue

Wind Energy

Wind Energy

Volume 16, Issue 2, pages 207–219, March 2013

Additional Information

How to Cite

Pereira, R., Schepers, G. and Pavel, M. D. (2013), Validation of the Beddoes–Leishman dynamic stall model for horizontal axis wind turbines using MEXICO data. Wind Energ., 16: 207–219. doi: 10.1002/we.541

Author Information

  1. 1

    Faculty of Aerospace Engineering, Delft University of Technology, Delft, HS, The Netherlands

  2. 2

    Department of Wind Energy, Energy Research Centre (ECN), Petten, LE, The Netherlands

* Correspondence: Ricardo Pereira, Faculty of Aerospace Engineering, Delft University of Technology, Delft 2629 HS, The Netherlands.
E-mail: asimov1984@gmail.com

Publication History

  1. Issue published online: 12 MAR 2013
  2. Article first published online: 14 MAR 2012
  3. Manuscript Accepted: 7 OCT 2011
  4. Manuscript Revised: 9 SEP 2011
  5. Manuscript Received: 17 FEB 2011

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Keywords:

  • HAWT;
  • dynamic stall;
  • Beddoes-Leishman;
  • MEXICO

ABSTRACT

The aim of this study is to assess the load predicting capability of a classical Beddoes–Leishman dynamic stall model in a horizontal axis wind turbine environment, in the presence of yaw misalignment. The dynamic stall model was tailored to the horizontal axis wind turbine environment and validated against unsteady thick airfoil data. Subsequently, the dynamic stall model was implemented in a blade element-momentum code for yawed flow, and the results were compared with aerodynamic measurements obtained in the MEXICO (Model Rotor Experiments under Controlled Conditions) project on a wind turbine rotor placed in a large scale wind tunnel. In general, reasonable to good agreement was found between the blade element-momentum model and MEXICO data. When large yaw misalignments were imposed, poor agreement was found in the downstroke of the movement between the model and the experiment. Still, over a revolution, the maximum normal force coefficient predicted was always within 8% of experimental data at the inboard stations, which is encouraging especially when blade fatigue calculations are being considered. Copyright © 2012 John Wiley & Sons, Ltd.

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