Articles | Volume 11, issue 7
https://doi.org/10.5194/wes-11-2669-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wes-11-2669-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Large-eddy simulation of airborne wind energy systems flying in turbulent wind using model predictive control
Jean-Baptiste Crismer
CORRESPONDING AUTHOR
Institute of Mechanics, Materials and Civil Engineering (iMMC), Université catholique de Louvain (UCLouvain), 1348 Louvain-la-Neuve, Belgium
Thomas Haas
Thermodynamics and Fluid Mechanics (FLOW), Faculty of Engineering, Vrije Universiteit Brussel (VUB), 1050 Brussels, Belgium
Matthieu Duponcheel
Institute of Mechanics, Materials and Civil Engineering (iMMC), Université catholique de Louvain (UCLouvain), 1348 Louvain-la-Neuve, Belgium
Grégoire Winckelmans
Institute of Mechanics, Materials and Civil Engineering (iMMC), Université catholique de Louvain (UCLouvain), 1348 Louvain-la-Neuve, Belgium
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Grégoire Winckelmans, Philippe Rochefort, Thierry Villeneuve, François Trigaux, Matthieu Duponcheel, and Guy Dumas
Wind Energ. Sci. Discuss., https://doi.org/10.5194/wes-2025-283, https://doi.org/10.5194/wes-2025-283, 2025
Revised manuscript under review for WES
Short summary
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This paper provides improved models for flow curvature effects associated to airfoils that rotate around an axis as in the case for the blades of vertical-axis turbines. The models are furthermore implemented into an efficient simulation framework that uses an advanced actuator line method for enforcing both the aerodynamic forces and moment, and they are validated against reference results. This research is led to improve the efficient and accurate study of curved unsteady flows in wind energy.
Emmanuel Gillyns, Sophia Buckingham, Jeroen van Beeck, and Grégoire Winckelmans
Wind Energ. Sci. Discuss., https://doi.org/10.5194/wes-2025-242, https://doi.org/10.5194/wes-2025-242, 2025
Revised manuscript under review for WES
Short summary
Short summary
This study evaluates the Actuator Line Method (ALM) for simulating wind turbine wakes by comparing it with wind tunnel tests on a small-scale turbine (TWIST). ALM accurately captured key wake features like velocity deficit in the wake and sharp transition with the undisturbed flow. Additionally, the deformation of the blades is also evaluated. The results confirming ALM as a reliable tool for aerodynamic and structural analysis in wind energy.
Niels Pynaert, Thomas Haas, Jolan Wauters, Guillaume Crevecoeur, and Joris Degroote
Wind Energ. Sci., 10, 2663–2684, https://doi.org/10.5194/wes-10-2663-2025, https://doi.org/10.5194/wes-10-2663-2025, 2025
Short summary
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We developed a detailed simulation to better understand how tethered aircraft can fly in wind to generate energy. By accurately modeling the aerodynamics around the aircraft and how the aircraft reacts and is controlled, we can gain new insight into how to improve efficiency and safety. Our virtual environment successfully followed a planned flight path and revealed potential design and operational improvements based on the analysis of the airflow.
Francois Trigaux, Philippe Chatelain, and Grégoire Winckelmans
Wind Energ. Sci., 9, 1765–1789, https://doi.org/10.5194/wes-9-1765-2024, https://doi.org/10.5194/wes-9-1765-2024, 2024
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In this research, the impact of blade flexibility is investigated for a very large wind turbine using numerical simulations. It is shown that bending and torsion decrease the power production and affect aerodynamic loads. Blade deformation also affects the flow of wind behind the turbine, resulting in a higher mean velocity. Our study highlights the importance of including blade flexibility in the simulation of large wind turbines to obtain accurate power and load predictions.
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Short summary
Wind energy is key to the energy transition. Airborne wind energy (AWE) is a technology based on kites. It has many advantages. However, their operation in gusts or in farm configurations remains unexplored. This work proposes a tool for studying AWE systems in such conditions. It is used to investigate a two-kite array. It is found that the second kite can avoid the wake of the first kite and stay unperturbed, while in other situations it produces 6 % less energy.
Wind energy is key to the energy transition. Airborne wind energy (AWE) is a technology based on...
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