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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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https://hal.inria.fr/hal-01068917
Contributor : Estelle Bouzat <>
Submitted on : Wednesday, November 5, 2014 - 12:28:43 PM
Last modification on : Thursday, June 18, 2020 - 10:18:03 AM
Long-term archiving on: : Friday, April 14, 2017 - 4:05:33 PM

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  • HAL Id : hal-01068917, version 1

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

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