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Numerical Analysis and Parameter Optimization of J-Shaped Blade on Offshore Vertical Axis Wind Turbine

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  • Lin Pan

    (School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
    Shaoxing Institute of Advanced Research, Wuhan University of Technology, Shaoxing 312300, China
    Zhongshan Institute of Advanced Engineering Technology of WUT, Zhongshan 528437, China
    Key Laboratory of Marine Power Engineering and Technology (Ministry of Transport), Wuhan University of Technology, Wuhan 430063, China)

  • Ze Zhu

    (School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
    These authors contributed equally to this work.)

  • Haodong Xiao

    (School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
    These authors contributed equally to this work.)

  • Leichong Wang

    (Zhongshan Institute of Advanced Engineering Technology of WUT, Zhongshan 528437, China
    These authors contributed equally to this work.)

Abstract

In this study, the performance of offshore wind turbines at low tip speed ratio (TSR) is studied using computational fluid dynamics (CFD), and the performance of offshore wind turbines at low tip speed ratio (TSR) is improved by revising the blade structure. First, the parameters of vertical axis offshore wind turbine are designed based on the compactness iteration, a CFD simulation model is established, and the turbulence model is selected through simulation analysis to verify the independence of grid and time step. Compared with previous experimental results, it is shown that the two-dimensional simulation only considers the plane turbulence effect, and the simulation turbulence effect performs more obviously at a high tip ratio, while the three-dimensional simulation turbulence effect has well-fitting performance at high tip ratio. Second, a J-shaped blade with optimized lower surface is proposed. The study showed that the optimized J-shaped blade significantly improved its upwind torque and wind energy capture rate. Finally, the performance of the optimized J-blade offshore wind turbine is analyzed.

Suggested Citation

  • Lin Pan & Ze Zhu & Haodong Xiao & Leichong Wang, 2021. "Numerical Analysis and Parameter Optimization of J-Shaped Blade on Offshore Vertical Axis Wind Turbine," Energies, MDPI, vol. 14(19), pages 1-29, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:19:p:6426-:d:651685
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    References listed on IDEAS

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    Cited by:

    1. Daniel Micallef, 2023. "Advancements in Offshore Vertical Axis Wind Turbines," Energies, MDPI, vol. 16(4), pages 1-3, February.
    2. Antonio García Auyanet & Rangga E. Santoso & Hrishikesh Mohan & Sanvay S. Rathore & Debapriya Chakraborty & Patrick G. Verdin, 2022. "CFD-Based J-Shaped Blade Design Improvement for Vertical Axis Wind Turbines," Sustainability, MDPI, vol. 14(22), pages 1-16, November.
    3. Oriol Bel Laveda & Marie-Alix Roche & Mohit Phadtare & Louise Sauge & Keerthana Jonnafer Xavier & Grishma Bhat & Divya Saxena & Jagmeet Singh Saini & Patrick G. Verdin, 2023. "Numerical Investigation of Aerodynamic Performance and Structural Analysis of a 3D J-Shaped Based Small-Scale Vertical Axis Wind Turbine," Energies, MDPI, vol. 16(20), pages 1-18, October.
    4. Farzadi, Ramin & Zanj, Amir & Bazargan, Majid, 2024. "Effect of baffles on efficiency of darrieus vertical axis wind turbines equipped with J-type blades," Energy, Elsevier, vol. 305(C).
    5. Farzadi, Ramin & Bazargan, Majid, 2023. "3D numerical simulation of the Darrieus vertical axis wind turbine with J-type and straight blades under various operating conditions including self-starting mode," Energy, Elsevier, vol. 278(PB).

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