Articles | Volume 5, issue 2
Wind Energ. Sci., 5, 721–743, 2020
https://doi.org/10.5194/wes-5-721-2020

Special issue: Wind Energy Science Conference 2019

Wind Energ. Sci., 5, 721–743, 2020
https://doi.org/10.5194/wes-5-721-2020
Research article
15 Jun 2020
Research article | 15 Jun 2020

Is the Blade Element Momentum theory overestimating wind turbine loads? – An aeroelastic comparison between OpenFAST's AeroDyn and QBlade's Lifting-Line Free Vortex Wake method

Sebastian Perez-Becker et al.

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Cited articles

Bak, C., Madsen, H. A., and Johansen, J.: Influence from Blade-Tower Interaction on Fatigue Loads and Dynamics, in: Proceedings of the 2001 European Wind Energy Conference and Exhibition, Copenhagen, Denmark, 394–397, 2001. a
Bak, C., Johansen, J., and Andersen, P. B.: Three-Dimensional Corrections of Airfoil Characteristics based on Pressure Distributions, in: Proceedings of the European Wind Energy Conference and Exhibition, Athens, Greece, 1–10, 2006. a, b
Bak, C., Zahle, F., Bitsche, R., Kim, T., Yde, A., Henriksen, L. C., Andersen, P. B., Natarajan, A., and Hansen, M. H.: Design and Performance of a 10 MW Wind Turbine, Tech. Rep. I-0092, DTU Wind Energy, Roskilde, Denmark, 2013. a, b, c, d, e
Bergami, L. and Gaunaa, M.: ATEFlap Aerodynamic Model, a Dynamic Stall Model Including the Effects of Trailing Edge Flap Deflection, Tech. Rep. Risø-R-1792, DTU Wind Energy, Risø, Denmark, 2012. a
Boorsma, K., Hartvelt, M., and Orsi, L.: Application of the Lifting Line Vortex Wake Method to Dynamic Load Case Simulations, J. Phys.: Conf. Ser., 753, 022030, https://doi.org/10.1088/1742-6596/753/2/022030, 2016. a, b, c, d
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Aeroelastic design load calculations play a key role in determining the design loads of the different wind turbine components. This study compares load estimations from calculations using a Blade Element Momentum aerodynamic model with estimations from calculations using a higher-order Lifting-Line Free Vortex Wake aerodynamic model. The paper finds and explains the differences in fatigue and extreme turbine loads for power production simulations that cover a wide range of turbulent wind speeds.