双槽结构对风力机S809翼型的减阻研究

吴宛洋; 李健; 钟兢军

doi:10.19912/j.0254-0096.tynxb.2024-0562

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (8) : 55-64. DOI: 10.19912/j.0254-0096.tynxb.2024-0562

双槽结构对风力机S809翼型的减阻研究

吴宛洋, 李健, 钟兢军

作者信息 +

STUDY ON DRAG REDUCTION OF S809 AIRFOIL OF WIND TURBINE WITH DOUBLE-GROOVE STRUCTURE

Wu Wanyang, Li Jian, Zhong Jingjun

Author information +

文章历史 +

摘要

该文采用数值仿真计算方法,研究双槽结构的槽道位置、宽度和角度对风力机S809翼型气动性能的影响。结果表明,双槽结构的最优参数是前槽道位于50%弦长处,后槽道位于70%弦长处,槽道宽度为2.5%弦长,槽道角度为75°。其在攻角大于12°时可显著改善风力机S809翼型的气动性能,升阻比相对于基准翼型的最大增量为439.03%。

Abstract

As a kind of passive flow control technology, airfoil slotting is currently used in the field of wind turbines. The numerical simulation method was used to study the influence of the position, width and angle of the channel of the double-groove structure on the aerodynamic performance of the wind turbine S809 airfoil. The results show that the optimal structural parameters of the double-groove structure are as follows： the front channel is located at 50% of the chord length, the rear channel is located at 70% of the chord length, the width of the double-channel channel is 2.5% of the chord length, and the angle of the double-channel channel is 75°. It significantly improves the aerodynamic performance of the S809 airfoil at a high angle of attack （AOA>12°）, with a maximum increase of 439.03% in the lift-to-drag ratio relative to the benchmark airfoil.

导出引用

吴宛洋, 李健, 钟兢军. 双槽结构对风力机S809翼型的减阻研究[J]. 太阳能学报. 2025, 46(8): 55-64 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0562

Wu Wanyang, Li Jian, Zhong Jingjun. STUDY ON DRAG REDUCTION OF S809 AIRFOIL OF WIND TURBINE WITH DOUBLE-GROOVE STRUCTURE[J]. Acta Energiae Solaris Sinica. 2025, 46(8): 55-64 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0562

中图分类号： TK83

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