双捕能柱布置形式对无叶片风力机捕能效率的影响

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振动与冲击 ›› 2025, Vol. 44 ›› Issue (7) : 37-44.

振动理论与交叉研究

双捕能柱布置形式对无叶片风力机捕能效率的影响

刘奇良，龚曙光*，谢桂兰，唐芳，梁志玮

作者信息 +

Effects of dual-energy harvesting column arrangement on energy harvesting efficiency of bladeless wind turbine

IU Qiliang, GONG Shuguang*, XIE Guilan, TANG Fang, LIANG Zhiwei

Author information +

文章历史 +

摘要

无叶片风力机基于风致涡激振动捕获风能，具有空间利用率高的优点。为提升无叶片风力机群的捕能效率，在单个捕能柱捕能效率研究的基础上，探讨工作风速下错列角度为至、间距比为1.5至7范围内、双捕能柱布置形式对其捕能效率、涡激振动响应以及尾涡结构的影响。所得结果表明：错列角度为和时，下游捕能柱的捕能效率小于单个捕能柱，而上游捕能柱的捕能效率随间距比增大而逐渐提升，当间距比为3.5时，约等于单个捕能柱；通过对比双捕能柱和单个捕能柱的平均效率，布置范围被分为三个区域，即增强区、抑制区和弱影响区；特别地，当间距比为2，错列角度为时，双捕能柱的平均捕能效率达到单个捕能柱的2倍以上。

Abstract

Bladeless wind turbines harvest wind energy through wind-induced vortex vibration, boasting a high spatial utilization advantage. To enhance the energy harvesting efficiency of arrays for bladeless wind turbines, builds upon the research of energy harvesting efficiency in a single energy harvesting cylinder (EHC), the effects of arrangements for twin EHCs—considering stagger angles ranging from 0° to 90° and spacing ratios from 1.5 to 7—on the energy harvesting efficiency, vortex-induced vibration, and vortical structure at operational wind speeds are studied. The findings indicated that at stagger angles of 0° and 15°, the downstream EHC exhibits a lower energy-harvesting efficiency compared to a single EHC. In contrast, the upstream EHC’s efficiency increases with the spacing ratio, reaching equivalence with a single EHC at a spacing ratio of 3.5. By comparing the average efficiency of twin EHCs with that of a single one, the arrangements considered in this paper are classified into three regions: enhancement, suppression, and weak influence. Notably, the average efficiency of the twin EHCs increases more than twofold at a spacing ratio of 2 and a stagger angle of 90°.

导出引用

刘奇良, 龚曙光, 谢桂兰, 唐芳, 梁志玮. 双捕能柱布置形式对无叶片风力机捕能效率的影响[J]. 振动与冲击, 2025, 44(7): 37-44

IU Qiliang, GONG Shuguang, XIE Guilan, TANG Fang, LIANG Zhiwei. Effects of dual-energy harvesting column arrangement on energy harvesting efficiency of bladeless wind turbine[J]. Journal of Vibration and Shock, 2025, 44(7): 37-44

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