
1. 上海理工大学 能源与动力工程学院,上海,200093
2. 上海非碳基能源转换与利用研究院,上海,200240
Online First:28 March 2025,
Published:2025
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欧华浩,李春,缪维跑,岳敏楠,俞洪静. 基于主-被动结合控制的垂直轴风力机气动性能研究动力工程学报, 2025, 45(10): 1664-1672 https://doi.
org/10.19805/j.cnki.jcspe.2025.250121
欧华浩,李春,缪维跑,岳敏楠,俞洪静. 基于主-被动结合控制的垂直轴风力机气动性能研究动力工程学报, 2025, 45(10): 1664-1672 https://doi. DOI: 10.19805/j.cnki.jcspe.2025.250121.
org/10.19805/j.cnki.jcspe.2025.250121 DOI:
为改善叶片表面流动分离导致的垂直轴风力机气动特性下降现象
基于主、被动流动控制技术
提出一种边界层吸气与格尼襟翼相结合的方案。利用计算流体力学方法分析该方案对垂直轴风力机能量捕获效率和整体气动性能的影响。结果表明:较之单格尼襟翼及单吸气控制方案
外侧格尼襟翼与吸气控制相结合的方案对风力机气动性能的提升效果更为显著
当叶尖速比为2.33时
其风能利用系数提升47.6%;该方案通过抑制叶片前缘涡的形成及发展
延缓表面流动分离
大幅提高不同叶尖速比下整机单叶片转矩、整机切向力及翼面压差
降低失速对叶片气动性能影响
使风力机保持稳定运行状态。
To mitigate the degradation of aerodynamic performance in vertical-axis wind turbines resulting from blade surface flow separation
a hybrid strategy integrating boundary layer suction with Gurney flaps was proposed based on active and passive flow control techniques. Computational fluid dynamic methods were used to evaluate the impact of this strategy on energy capture efficiency and overall aerodynamic performance. Results show that the combined use of outward Gurney flaps and suction control enhances aerodynamic performance more effectively than either approach alone. At a tip speed ratio of 2.33
the power coefficient increases by 47.6%. Moreover
this approach suppresses the formation and development of the leading-edge vortex
delays flow separation
significantly improves single-blade torque
overall tangential force
and airfoil pressure difference across various tip speed ratios
reduces the impact of stall on aerodynamic performance
and maintains stable turbine operation.
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