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On the aerodynamics of variable-geometry oval-trajectory Darrieus wind turbines

Author

Listed:
  • Ponta, F.L.
  • Seminara, J.J.
  • Otero, A.D.

Abstract

A new computational model for the aerodynamics of vertical-axis wind turbines is introduced. It is based on the double-multiple streamtube concept and it incorporates the capacity of dealing with rotors whose blades follow oval-trajectories at variable setting-angles. We applied this model to the study of the aerodynamics of an innovative concept in extra-large wind-power plants: the VGOT (variable-geometry oval-trajectory) Darrieus wind turbine. Due to the especial geometric characteristics of the VGOT Darrieus, it was necessary to propose three new non-dimensional parameters to quantify its performance under different wind-conditions: the equivalent power coefficient, the equivalent solidity coefficient and the trajectory efficiency. We show some numerical results testing several rotor configurations working under different wind scenarios.

Suggested Citation

  • Ponta, F.L. & Seminara, J.J. & Otero, A.D., 2007. "On the aerodynamics of variable-geometry oval-trajectory Darrieus wind turbines," Renewable Energy, Elsevier, vol. 32(1), pages 35-56.
    • Handle: RePEc:eee:renene:v:32:y:2007:i:1:p:35-56
    DOI: 10.1016/j.renene.2005.12.007
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    References listed on IDEAS

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    1. Fernando L. Ponta & Alejandro D. Otero & Lucas Lago, 2004. "The VGOT Darrieus wind turbine," International Journal of Global Energy Issues, Inderscience Enterprises Ltd, vol. 21(3), pages 303-313.
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    Cited by:

    1. Sajid Ali & Choon-Man Jang, 2021. "Effects of Tip Speed Ratios on the Blade Forces of a Small H-Darrieus Wind Turbine," Energies, MDPI, vol. 14(13), pages 1-18, July.
    2. Jin, Xin & Zhao, Gaoyuan & Gao, KeJun & Ju, Wenbin, 2015. "Darrieus vertical axis wind turbine: Basic research methods," Renewable and Sustainable Energy Reviews, Elsevier, vol. 42(C), pages 212-225.
    3. Otero, A.D. & Ponta, F.L., 2009. "On the structural behaviour of variable-geometry oval-trajectory Darrieus wind turbines," Renewable Energy, Elsevier, vol. 34(3), pages 827-832.
    4. Aslam Bhutta, Muhammad Mahmood & Hayat, Nasir & Farooq, Ahmed Uzair & Ali, Zain & Jamil, Sh. Rehan & Hussain, Zahid, 2012. "Vertical axis wind turbine – A review of various configurations and design techniques," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(4), pages 1926-1939.
    5. Liu, Kan & Yu, Meilin & Zhu, Weidong, 2019. "Enhancing wind energy harvesting performance of vertical axis wind turbines with a new hybrid design: A fluid-structure interaction study," Renewable Energy, Elsevier, vol. 140(C), pages 912-927.
    6. Lam, H.F. & Peng, H.Y., 2016. "Study of wake characteristics of a vertical axis wind turbine by two- and three-dimensional computational fluid dynamics simulations," Renewable Energy, Elsevier, vol. 90(C), pages 386-398.

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