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2016 | OriginalPaper | Chapter

Aerodynamic Design of ‘Box Blade’ and ‘Non-planar’ Wind Turbines

Authors : Luigi Molea, Emanuele Di Vitantonio, Aldo Frediani

Published in: Variational Analysis and Aerospace Engineering

Publisher: Springer International Publishing

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Abstract

In this paper the aerodynamic efficiency of wind turbines with horizontal axis is discussed and the so-called box blade concept, inspired by the Prandtl’s ‘Best Wing System’ is analysed; this wind turbine configuration is proved to be efficient than a conventional blade. Moreover, other non-planar blades, such as the winglet and C extension are analysed via vortex theory with the numerical method of Ribner and Foster for the optimum circulation and the recent model of Okulov and Sørensen for the performance evaluation; a generalization of the above mentioned models is also presented in this work. Finally, the box blades are verified by means of a commercial CFD software.

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Appendix
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Metadata
Title
Aerodynamic Design of ‘Box Blade’ and ‘Non-planar’ Wind Turbines
Authors
Luigi Molea
Emanuele Di Vitantonio
Aldo Frediani
Copyright Year
2016
DOI
https://doi.org/10.1007/978-3-319-45680-5_13

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