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Open AccessArticle

Slotted Blades Savonius Wind Turbine Analysis by CFD

Faculty of Engineering and Architecture, Kore University of Enna, Cittadella Universitaria,94100 Enna, Italy
Faculty of Engineering, University of Palermo, Viale delle Scienze, 90128 Palermo, Italy
Author to whom correspondence should be addressed.
Energies 2013, 6(12), 6335-6351;
Received: 13 November 2013 / Revised: 27 November 2013 / Accepted: 28 November 2013 / Published: 4 December 2013
(This article belongs to the Special Issue Wind Turbines 2014)
In this paper a new bucket configuration for a Savonius wind generator is proposed. Numerical analyses are performed to estimate the performances of the proposed configuration by means of the commercial code COMSOL Multiphysics® with respect to Savonius wind turbine with overlap only. Parametric analyses are performed, for a fixed overlap ratio, by varying the slot position; the results show that for slot positioned near the blade root, the Savonius rotor improves performances at low tip speed ratio, evidencing a better starting torque. This circumstance is confirmed by static analyses performed on the slotted blades in order to investigate the starting characteristic of the proposed Savonius wind generator configuration. View Full-Text
Keywords: wind turbine; Savonius; CFD analysis; slotted blades wind turbine; Savonius; CFD analysis; slotted blades
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Alaimo, A.; Esposito, A.; Milazzo, A.; Orlando, C.; Trentacosti, F. Slotted Blades Savonius Wind Turbine Analysis by CFD. Energies 2013, 6, 6335-6351.

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