基于Kriging模型的风力机翼型优化设计动性能分析

王清; 张敏; 李德顺; 李国强; 唐隆琛

doi:10.19912/j.0254-0096.tynxb.2023-1014

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太阳能学报 ›› 2024, Vol. 45 ›› Issue (10) : 625-634. DOI: 10.19912/j.0254-0096.tynxb.2023-1014

基于Kriging模型的风力机翼型优化设计动性能分析

王清¹, 张敏¹, 李德顺¹, 李国强², 唐隆琛¹

作者信息 +

OPTIMIZED DESIGN AND AERODYNAMIC PERFORMANCE ANALYSIS OF WIND TURBINE AIRFOIL BASED ON KRIGING MODEL

Wang Qing¹, Zhang Min¹, Li Deshun¹, Li Guoqiang², Tang Longchen¹

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文章历史 +

摘要

耦合高精度数值模拟方法、Kriging模型及遗传算法,建立高效、高精度数值模拟算法。以翼型的最大升阻比和最大切向力系数为目标函数,基于S809翼型开展多状态、多目标下的气动外形优化设计。结果表明,在Re=1×106、迎角为6˚和Re=5×105、迎角为8˚两种设计工况下,优化翼型的升阻比分别提升10.34%和10.75%。为验证优化翼型在风力机设计中的适用性,进一步基于优化翼型和S809翼型分别设计三叶片风轮,对比不同工况下风轮气动性能,发现在设计工况下,基于优化翼型设计的风轮叶片风能利用系数增大7.5%;偏航工况下基于优化翼型设计的风轮叶片风能利用系数增大7.54%,证明优化翼型能更好地适应非定常状态。

Abstract

Coupled with high-precision numerical simulation method, Kriging agent model and genetic algorithm, an efficient and high-precision numerical simulation algorithm is established. The maximum lift-to-drag ratio and maximum tangential force coefficient of the airfoil are used as the objective functions to optimize the aerodynamic shape of the S809 airfoil under multiple states and multiple objectives. The results show that the lift-to-drag ratios of the optimized airfoil are improved by 10.34% and 10.75% for the Re=1×10⁶ with angle of attack of 6°, and Re=5×10⁵ with angle of attack of 8°, respectively. In order to verify the applicability of the optimized airfoil in wind turbine design, this paper further designs a three-blade wind turbine based on the optimized airfoil and the S809 airfoil, and compares the wind turbine aerodynamic performance under different working conditions, and finds that the C_P of the wind turbine blade based on the optimized airfoil design increases by 7.5% under the design condition; while C_P increases by 7.54% under the yaw condition. This proves that the optimized airfoil can better adapt to the non-constant condition.

导出引用

王清, 张敏, 李德顺, 李国强, 唐隆琛. 基于Kriging模型的风力机翼型优化设计动性能分析[J]. 太阳能学报. 2024, 45(10): 625-634 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1014

Wang Qing, Zhang Min, Li Deshun, Li Guoqiang, Tang Longchen. OPTIMIZED DESIGN AND AERODYNAMIC PERFORMANCE ANALYSIS OF WIND TURBINE AIRFOIL BASED ON KRIGING MODEL[J]. Acta Energiae Solaris Sinica. 2024, 45(10): 625-634 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1014

中图分类号： TK81

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