USST HIGH PERFORMANCE AIRFOIL FAMILY FOR HORIZONTAL AXIS WIND TURBINE

Zhang Qianying; Yin Penghui; Liu Zhaofang; Huang Diangui

doi:10.19912/j.0254-0096.tynxb.2021-0273

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (10) : 289-295. DOI: 10.19912/j.0254-0096.tynxb.2021-0273

USST HIGH PERFORMANCE AIRFOIL FAMILY FOR HORIZONTAL AXIS WIND TURBINE

Zhang Qianying^1,2, Yin Penghui^1,2, Liu Zhaofang^1,2, Huang Diangui^1,2

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Abstract

Combining the characteristics of laminar airfoil and blunt trailing edge, the airfoil is parametrically modified by Hicks-Henne type function. Based on the multi-island genetic algorithm and Xfoil aerodynamic analysis, the optimal design under multi-objective functions, multiple design conditions and multiple constraints conditions is carried out for the airfoil of large horizontal axis wind turbines. By doing that, a high-performance airfoil family（USST airfoil family） suitable for large wind turbines is obtained. Its lift-drag ratio is higher than that of the existing wind turbine airfoil families such as the FFA and DU series at most angles of attack. The lift coefficient has a larger lift-to-drag ratio, especially in the case of a high lift coefficient. Finally, in order to evaluate the optimized design of the airfoil family, based on the turbulence transition model （Transition SST）, the optimization results are verified by the numerical simulation method, which proves that the new wind turbine airfoil family designed in this paper has superior aerodynamic performance.

Key words

wind turbines / horizontal axis / airfoil / blunt trailing edge / aerodynamic performance / blade optimization

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Zhang Qianying, Yin Penghui, Liu Zhaofang, Huang Diangui. USST HIGH PERFORMANCE AIRFOIL FAMILY FOR HORIZONTAL AXIS WIND TURBINE[J]. Acta Energiae Solaris Sinica. 2022, 43(10): 289-295 https://doi.org/10.19912/j.0254-0096.tynxb.2021-0273

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