Modeling and Investigation of Blade Trailing Edge of Vertical Axis Offshore Wind Turbine

Lin Pan, Ze Zhu, Zhaoyang Shi and Leichong Wang
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Lin Pan: School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
Ze Zhu: School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan 430063, China
Zhaoyang Shi: Sany Heavy Industry Co., Ltd., Kunshan 215300, China
Leichong Wang: Zhongshan Institute of Advanced Engineering Technology of WUT, Zhongshan 528437, China

Sustainability, 2021, vol. 13, issue 19, 1-25

Abstract: In this study, the structure of the trailing edge of the vertical axis offshore wind turbine blade is modified. First, according to the method of parameterization, the offshore wind turbine model is established, and a series of characteristics of the offshore wind turbine are obtained. Second, we add flaps with different lengths to the trailing edge of NACA0021 airfoil to obtain different dynamic characteristics. The angle of the additional trailing edge flaps is modified. Finally, a simulation model for the modified airfoil of the vertical axis offshore wind turbine is reestablished, and the variable characteristics of the performance is studied. Through the optimization and analysis of the blade structure, this study has obtained the best parameters of the length and angle of the offshore wind turbine blade trailing edge flap. The optimization of the blade structure changes the flow field around the blade, which significantly improves the maximum wind energy capture rate and self-starting ability of the vertical axis offshore wind turbine.

Keywords: flow field; vertical axis offshore wind turbine; aerodynamic performance; wind energy; blade structure (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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