AirborneWind Energy: Airfoil-Airmass Interaction

Abstract : The Airborne Wind Energy paradigm proposes to generate energy by flying a tethered airfoil across the wind flow at a high velocity. While Airborne Wind Energy enables flight in higher-altitude, stronger wind layers, the extra drag generated by the tether motion imposes a significant limit to the overall system efficiency. To address this issue, two airfoils with a shared tether can reduce overall system drag. A study proposed in Zanon et al. (2013) confirms this claim by showing that, in the considered scenario, the dual-airfoil system is more advantageous than the single-airfoil one. The results computed in Zanon et al. (2013) however, do not model the interaction between the airfoils and the airmass. In this paper, the impact of the airfoil-airmass interaction on the extracted power is studied. As this phenomenon is complex to model, a blade element-momentum approach is proposed and the problem is solved by means of optimal control techniques.
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Pré-publication, Document de travail
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Soumis le : mercredi 5 novembre 2014 - 12:28:43
Dernière modification le : lundi 21 mars 2016 - 11:30:33
Document(s) archivé(s) le : vendredi 14 avril 2017 - 16:05:33


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  • HAL Id : hal-01068917, version 1



Mario Zanon, Sebastien Gros, Johan Meyers, Moritz Diehl. AirborneWind Energy: Airfoil-Airmass Interaction. 2014. 〈hal-01068917〉



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