MULTI-STEP OPTIMIZATION DESIGN OF AERODYNAMIC SHAPE FOR ANTI-ICING WIND TURBINE AIRFOILS

Xing Tianyu; Wang Jifei; Dong Zhiliang; Xue Pang

doi:10.19912/j.0254-0096.tynxb.2024-0334

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (7) : 336-345. DOI: 10.19912/j.0254-0096.tynxb.2024-0334

Special Topics of Academic Papers at the 60th Annual Meeting of the China Association for Science and Technology

MULTI-STEP OPTIMIZATION DESIGN OF AERODYNAMIC SHAPE FOR ANTI-ICING WIND TURBINE AIRFOILS

Xing Tianyu^1,2, Wang Jifei^1,2, Dong Zhiliang^1,2, Xue Pang^1,2

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Abstract

The high altitude and low temperature in areas with abundant wind resources can easily cause wind turbine blades to freeze. Therefore, it is necessary to focus on anti icing performance in the aerodynamic design of wind turbine blades. This article presents a multi-step aerodynamic shape optimization design for the S809 wind turbine airfoil to reduce aerodynamic performance losses caused by icing. Firstly, quickly conduct global optimization to obtain a preliminary optimized airfoil, and then conduct local fine optimization based on the preliminary optimized airfoil. Due to the long time required for ice simulation in fine optimization, the addition of surrogate models to replace numerical simulations improves optimization efficiency. The optimized airfoil has achieved good aerodynamic performance both before and after icing. Compared with the baseline quasi airfoil, the optimized airfoil has a larger leading-edge radius, thicker pressure surface, and thinner suction surface. The aerodynamic performance loss of the optimized airfoil after icing has been reduced from 7.6% of the original airfoil to 1.74%, proving that anti icing airfoils can be obtained through optimization design methods, providing ideas for optimizing the anti icing design of wind turbine blade airfoils.

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wind turbines / icing / numerical simulation / surrogate mode / airfoil optimization

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Xing Tianyu, Wang Jifei, Dong Zhiliang, Xue Pang. MULTI-STEP OPTIMIZATION DESIGN OF AERODYNAMIC SHAPE FOR ANTI-ICING WIND TURBINE AIRFOILS[J]. Acta Energiae Solaris Sinica. 2025, 46(7): 336-345 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0334

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