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A Two-Stage Twisted Blade μ-Vertical Axis Wind Turbine: An Enhanced Savonius Rotor Design

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  • Andrés Pérez-Terrazo

    (Laboratory of Energy Innovation and Intelligent and Sustainable Agriculture, Universidad Tecnológica de San Juan del Río, San Juan del Río 76800, Querétaro, Mexico)

  • Martin Moreno

    (Laboratory of Energy Innovation and Intelligent and Sustainable Agriculture, Universidad Tecnológica de San Juan del Río, San Juan del Río 76800, Querétaro, Mexico)

  • Iván Trejo-Zúñiga

    (Laboratory of Energy Innovation and Intelligent and Sustainable Agriculture, Universidad Tecnológica de San Juan del Río, San Juan del Río 76800, Querétaro, Mexico)

  • José Alberto López

    (Laboratory of Energy Innovation and Intelligent and Sustainable Agriculture, Universidad Tecnológica de San Juan del Río, San Juan del Río 76800, Querétaro, Mexico)

Abstract

Wind turbines are a solution for sustainable energy, significantly reducing carbon emissions and fostering a circular economy for more cost-effective and cleaner power generation, in line with worldwide environmental aspirations. In this context, this research aims to explore a novel two-stage, twisted-blade micro-Vertical-Axis Wind Turbine ( μ -VAWT)alternative inspired by the Savonius Rotor (SR). This investigation utilizes the κ − ω SST turbulence model to explore the power coefficient ( C P ) and torque coefficient ( C T ), finding C P values ranging from 0.02 to 0.08 across the turbine by altering the free stream velocity ( V ). C T analysis further delves into four specific sections, highlighting areas of particular interest. These results are validated by examining velocity contours, pressure contours, and streamlines in four horizontal sections, demonstrating that the proposed turbine model exhibits minimal torque fluctuation. Moreover, the analysis of vertical wind streamlines illustrates very low interference with various wind turbine proposals, underscoring the turbine’s efficiency and potential for integration into diverse wind energy projects.

Suggested Citation

  • Andrés Pérez-Terrazo & Martin Moreno & Iván Trejo-Zúñiga & José Alberto López, 2024. "A Two-Stage Twisted Blade μ-Vertical Axis Wind Turbine: An Enhanced Savonius Rotor Design," Energies, MDPI, vol. 17(12), pages 1-14, June.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:12:p:2835-:d:1411504
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    References listed on IDEAS

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    1. Frikha, Sobhi & Driss, Zied & Ayadi, Emna & Masmoudi, Zied & Abid, Mohamed Salah, 2016. "Numerical and experimental characterization of multi-stage Savonius rotors," Energy, Elsevier, vol. 114(C), pages 382-404.
    2. Ramadan, A. & Yousef, K. & Said, M. & Mohamed, M.H., 2018. "Shape optimization and experimental validation of a drag vertical axis wind turbine," Energy, Elsevier, vol. 151(C), pages 839-853.
    3. Abdelaziz, Khaled R. & Nawar, Mohamed A.A. & Ramadan, Ahmed & Attai, Youssef A. & Mohamed, Mohamed H., 2023. "Performance assessment of a modified of Savonius rotor: Impact of sine and conical blade profiles," Energy, Elsevier, vol. 272(C).
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