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Slotted Blades Savonius Wind Turbine Analysis by CFD

Author

Listed:
  • Andrea Alaimo

    (Faculty of Engineering and Architecture, Kore University of Enna, Cittadella Universitaria,94100 Enna, Italy)

  • Antonio Esposito

    (Faculty of Engineering and Architecture, Kore University of Enna, Cittadella Universitaria,94100 Enna, Italy)

  • Alberto Milazzo

    (Faculty of Engineering, University of Palermo, Viale delle Scienze, 90128 Palermo, Italy)

  • Calogero Orlando

    (Faculty of Engineering and Architecture, Kore University of Enna, Cittadella Universitaria,94100 Enna, Italy)

  • Flavio Trentacosti

    (Faculty of Engineering and Architecture, Kore University of Enna, Cittadella Universitaria,94100 Enna, Italy)

Abstract

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.

Suggested Citation

  • Andrea Alaimo & Antonio Esposito & Alberto Milazzo & Calogero Orlando & Flavio Trentacosti, 2013. "Slotted Blades Savonius Wind Turbine Analysis by CFD," Energies, MDPI, vol. 6(12), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:6:y:2013:i:12:p:6335-6351:d:31036
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    References listed on IDEAS

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    5. Gupta, R. & Biswas, A. & Sharma, K.K., 2008. "Comparative study of a three-bucket Savonius rotor with a combined three-bucket Savonius–three-bladed Darrieus rotor," Renewable Energy, Elsevier, vol. 33(9), pages 1974-1981.
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    Cited by:

    1. Jan Michna & Krzysztof Rogowski, 2022. "CFD Calculations of Average Flow Parameters around the Rotor of a Savonius Wind Turbine," Energies, MDPI, vol. 16(1), pages 1-17, December.
    2. Luke Sakamoto & Tomohiro Fukui & Koji Morinishi, 2022. "Blade Dimension Optimization and Performance Analysis of the 2-D Ugrinsky Wind Turbine," Energies, MDPI, vol. 15(7), pages 1-14, March.
    3. Andrea Alaimo & Antonio Esposito & Antonio Messineo & Calogero Orlando & Davide Tumino, 2015. "3D CFD Analysis of a Vertical Axis Wind Turbine," Energies, MDPI, vol. 8(4), pages 1-21, April.
    4. Baoshou Zhang & Baowei Song & Zhaoyong Mao & Wenlong Tian & Boyang Li & Bo Li, 2017. "A Novel Parametric Modeling Method and Optimal Design for Savonius Wind Turbines," Energies, MDPI, vol. 10(3), pages 1-20, March.
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    6. Scheaua Fanel Dorel & Goanta Adrian Mihai & Dragan Nicusor, 2021. "Review of Specific Performance Parameters of Vertical Wind Turbine Rotors Based on the SAVONIUS Type," Energies, MDPI, vol. 14(7), pages 1-23, April.
    7. Fanel Dorel Scheaua, 2020. "Comparative Numerical Analysis on Vertical Wind Turbine Rotor Pattern of Bach and Benesh Type," Energies, MDPI, vol. 13(9), pages 1-20, May.

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