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Airfoil optimized design of vertical axis wind turbine considering variable pitch angle
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Sihua Yin1, Chengjiu Zhu2, Shuzhi Mo1, Mingkang Zhang1, Quan Wang3, Ge Chen4
Renewable Energy Resources | 2025, 43(1) : 54 - 60
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Renewable Energy Resources | 2025, 43(1): 54-60
Airfoil optimized design of vertical axis wind turbine considering variable pitch angle
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Sihua Yin1, Chengjiu Zhu2, Shuzhi Mo1, Mingkang Zhang1, Quan Wang3, Ge Chen4
Affiliations
  • 1 School of Mechanical and Energy Engineering Guangdong Ocean University Yangjiang 529500 China
  • 2 CNC Equipment Cooperative Innovation Institute Foshan Nanhai Guangdong Technology University Foshan 528225 China
  • 3 School of Mechanical Engineering Hubei University of Technology Wuhan 430068 China
  • 4 School of Mechanical Engineering Guangdong Ocean University Zhanjiang 524088 China
Published: 2025-01-20
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The pitch Angle is generally set to a fixed value in the design of vertical axis wind airfoil, which leads to the problem that the aerodynamic performance of the airfoil can't be fully utilized. In this paper, a design method of vertical axis wind turbine considering variable pitch Angle is proposed and applied to airfoil optimization. Then, based on the braking cylinder theory, the power coefficient is iteratively calculated, and the maximum power coefficient is directly taken as the objective function, and the profile and pitch Angle distribution are optimized by using genetic algorithm coupled with RFOIL software. Finally, the new airfoil VAWT250 of vertical axis wind turbine is optimized. Compared with the reference airfoil AIR001, the optimization results show that the aerodynamic performance of the new airfoil is significantly improved under both smooth and rough conditions, especially under rough conditions, the maximum lift coefficient and liftdrag ratio are increased by 16.1% and 17.1% respectively. Under rough conditions, the maximum power coefficient of the wind turbine is increased by 6.81% considering the pitch Angle. The results have a certain guiding significance for the optimal design of vertical axis wind turbine airfoil.

vertical axis wind turbine  /  airfoil  /  pitch angle  /  brake cylinder theory  /  power factor
Sihua Yin, Chengjiu Zhu, Shuzhi Mo, Mingkang Zhang, Quan Wang, Ge Chen. Airfoil optimized design of vertical axis wind turbine considering variable pitch angle[J]. Renewable Energy Resources, 2025 , 43 (1) : 54 -60 .
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Article Info
  • Receive Date：2023-01-08
  • Online Date：2025-07-18
  • Published：2025-01-20
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  • Received：2023-01-08
Funding
Affiliations
    1 School of Mechanical and Energy Engineering Guangdong Ocean University Yangjiang 529500 China
    2 CNC Equipment Cooperative Innovation Institute Foshan Nanhai Guangdong Technology University Foshan 528225 China
    3 School of Mechanical Engineering Hubei University of Technology Wuhan 430068 China
    4 School of Mechanical Engineering Guangdong Ocean University Zhanjiang 524088 China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
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Percentage of
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Genus		 种数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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