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Optimal Design of Novel Blade Profile for Savonius Wind Turbines

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  • Tai-Lin Chang

    (The Department of Marine Engineering, National Taiwan Ocean University, Keelung City 202301, Taiwan)

  • Shun-Feng Tsai

    (The Department of Marine Engineering, National Taiwan Ocean University, Keelung City 202301, Taiwan)

  • Chun-Lung Chen

    (The Department of Marine Engineering, National Taiwan Ocean University, Keelung City 202301, Taiwan)

Abstract

Since the affirming of global warming, most wind energy projects have focused on the large-scale Horizontal Axis Wind Turbines (HAWTs). In recent years, the fast-growing wind energy sector and the demand for smarter grids have led to the use of Vertical Axis Wind Turbines (VAWTs) for decentralized energy generation systems, both in urban and remote rural areas. The goals of this study are to improve the Savonius-type VAWT’s efficiency and oscillation. The main concept is to redesign a Novel Blade profile using the Taguchi Robust Design Method and the ANSYS-Fluent simulation package. The convex contour of the blade faces against the wind, creating sufficient lift force and minimizing drag force; the concave contour faces up to the wind, improving or maintaining the drag force. The result is that the Novel Blade improves blade performance by 65% over the Savonius type at the best angular position. In addition, it decreases the oscillation and noise accordingly. This study achieved its two goals.

Suggested Citation

  • Tai-Lin Chang & Shun-Feng Tsai & Chun-Lung Chen, 2021. "Optimal Design of Novel Blade Profile for Savonius Wind Turbines," Energies, MDPI, vol. 14(12), pages 1-14, June.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:12:p:3484-:d:573651
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    References listed on IDEAS

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    Cited by:

    1. Rengma, Thochi Seb & Gupta, Mahendra Kumar & Subbarao, P.M.V., 2023. "A novel method of optimizing the Savonius hydrokinetic turbine blades using Bezier curve," Renewable Energy, Elsevier, vol. 216(C).
    2. Kumail Abdulkareem Hadi Al-Gburi & Balasem Abdulameer Jabbar Al-quraishi & Firas Basim Ismail Alnaimi & Ee Sann Tan & Ali Hussein Shamman Al-Safi, 2022. "Experimental and Simulation Investigation of Performance of Scaled Model for a Rotor of a Savonius Wind Turbine," Energies, MDPI, vol. 15(23), pages 1-23, November.
    3. Kumail Abdulkareem Hadi Al-Gburi & Firas Basim Ismail Alnaimi & Balasem Abdulameer Jabbar Al-quraishi & Ee Sann Tan & Ali Kamil Kareem, 2023. "Enhancing Savonius Vertical Axis Wind Turbine Performance: A Comprehensive Approach with Numerical Analysis and Experimental Investigations," Energies, MDPI, vol. 16(10), pages 1-23, May.
    4. Luca Salvadori & Annalisa Di Bernardino & Giorgio Querzoli & Simone Ferrari, 2021. "A Novel Automatic Method for the Urban Canyon Parametrization Needed by Turbulence Numerical Simulations for Wind Energy Potential Assessment," Energies, MDPI, vol. 14(16), pages 1-22, August.

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