Aerodynamic effects of leading-edge erosion in wind farm flow modeling
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Published:2024-09-10
Issue:9
Volume:9
Page:1811-1826
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ISSN:2366-7451
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Container-title:Wind Energy Science
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language:en
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Short-container-title:Wind Energ. Sci.
Author:
Visbech JensORCID, Göçmen TuhfeORCID, Özçakmak Özge SinemORCID, Meyer Forsting AlexanderORCID, Hannesdóttir ÁstaORCID, Réthoré Pierre-ElouanORCID
Abstract
Abstract. Leading-edge erosion (LEE) can significantly impact the aerodynamic performance of wind turbines and thereby the overall efficiency of a wind farm. Typically, erosion is modeled for individual turbines where aerodynamic effects only impact the energy production through degraded power curves. For wind farms, aerodynamic deficiency has the potential to also alter wake dynamics, which will affect the overall energy production. The objective of this study is to demonstrate this combined effect by coupling LEE damage prediction and aerodynamic loss modeling with steady-state wind farm flow modeling. The modeling workflow is used to simulate the effect of LEE on the Horns Rev 1 wind farm. Based on a 10-year simulation, the aerodynamic effect of LEE was found to be insignificant for the first few years of operation but rapidly increases and reaches a maximum annual energy production (AEP) loss of 2.9 % in the last year for a single turbine. When including the impact of LEE to the wakes behind eroded turbines, the AEP loss is seen to reduce to 2.7 % at the wind farm level, i.e., corresponding to an overestimation of the AEP loss of up to 7 % when only considering a single wind turbine. In addition, it was demonstrated that the modeling framework can be used to prioritize turbines for an optimal repairing strategy.
Publisher
Copernicus GmbH
Reference55 articles.
1. Asgarpour, M. and Sørensen, J. D.: Bayesian Based Diagnostic Model for Condition Based Maintenance of Offshore Wind Farms, Energies, 11, 300, https://doi.org/10.3390/en11020300, 2018. a 2. Bak, C.: Aerodynamic design of wind turbine rotors, in: Advances in Wind Turbine Blade Design and Materials, Elsevier, 59–108, ISBN 978-0-85709-426-1, https://doi.org/10.1533/9780857097286.1.59, 2013. a 3. Bak, C.: A simple model to predict the energy loss due to leading edge roughness, J. Phys. Conf. Ser., 2265, 032038, https://doi.org/10.1088/1742-6596/2265/3/032038, 2022a. a, b, c 4. Bak, C.: Airfoil Design, in: Handbook of Wind Energy Aerodynamics, edited by: Stoevesandt, B., Schepers, G., Fuglsang, P., and Yuping, S., Springer, 95–122, ISBN 978-3-030-31306-7, https://doi.org/10.1007/978-3-030-31307-4_3, 2022b. a 5. Bak, C., Fuglsang, P., Johansen, J., and Antoniou, I.: Wind tunnel tests of the NACA 63-415 and a modified NACA 63-415 airfoil, no. 1193(EN) in Denmark, Forskningscenter Risoe, Risoe-R, ISBN 87-550-2716-4, 2000. a
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