实度与转动惯量对双层叶片H-VAWT启动性能的影响

李寿图, 何坤雲, 李晔, 包玉彪

太阳能学报 ›› 2025, Vol. 46 ›› Issue (9) : 76-83.

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (9) : 76-83. DOI: 10.19912/j.0254-0096.tynxb.2024-0762

实度与转动惯量对双层叶片H-VAWT启动性能的影响

  • 李寿图1,2, 何坤雲1,2, 李晔3, 包玉彪1,2
作者信息 +

INFLUENCE OF SOLIDITY AND ROTATIONAL INERTIA ON STARTING PERFORMANCE OF H-VAWTS WITH DOUBLE-LAYER BLADE

  • Li Shoutu1,2, He Kunyun1,2, Li Ye3, Bao Yubiao1,2
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文章历史 +

摘要

双层叶片结构是改善直叶片垂直轴风力机(H-VAWTs)启动性能的主要方法之一。该文采用动网格方法,研究了实度与转动惯量耦合影响下双层叶片H-VAWTs的启动速率,分析了双层叶片在不同风轮结构下对H-VAWTs自启动性能的改善效果。结果表明:双层叶片能有效改善H-VAWTs的启动性能,最高可使启动时长缩短超过30%;双层叶片中外层叶片扭矩峰值不一定高于单层叶片,但在内外层叶片相互作用下,双层叶片的扭矩性能明显优于单层叶片;在不同叶片数量、弦长与风轮直径结构条件下,双层叶片H-VAWTs在启动阶段具有更高的扭矩峰值,且扭矩峰值出现时间早于单层叶片,使双层叶片风轮具有更高的启动加速度,风轮转速提前达到稳定状态。

Abstract

Double-layer blade structure is one of the main methods to improve the starting performance of straight blade vertical axis wind turbines (H-VAWTs). In this paper, the starting performance of H-VAWTs with double-layer blades under the coupled influence of solidity and moment of inertia is investigated using the dynamic mesh method, and the improvement effect of double-layer blade on the self-starting performance of H-VAWTs under different wind turbine structures is analyzed. The results show that the double-layer blade can effectively improve the startup performance of H-VAWTs, and the startup duration can be shortened by more than 30%; the peak torque of the outer-layer blade in the double-layer blade is not necessarily higher than that of the single-layer blade, but under the interaction of the inner and outer blades, the torque performance of the double-layer blade is significantly better than that of the single-layer blade. Under the conditions of different blade numbers, chord lengths and wind turbine diameters, the double-layer blade H-VAWTs has higher torque peaks at the start-up stage, and the torque peaks appear earlier than the single-layer blade, which results in higher start-up acceleration of the double-layer blade wind turbine, and the wind turbine rotational speed reaches the steady state earlier.

关键词

风力机 / 翼型 / 数值分析 / 启动性能 / 双层叶片 / 气动特性

Key words

wind turbines / airfoils / numerical analysis / startup performance / double-layer blade / aerodynamic characteristics

引用本文

导出引用
李寿图, 何坤雲, 李晔, 包玉彪. 实度与转动惯量对双层叶片H-VAWT启动性能的影响[J]. 太阳能学报. 2025, 46(9): 76-83 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0762
Li Shoutu, He Kunyun, Li Ye, Bao Yubiao. INFLUENCE OF SOLIDITY AND ROTATIONAL INERTIA ON STARTING PERFORMANCE OF H-VAWTS WITH DOUBLE-LAYER BLADE[J]. Acta Energiae Solaris Sinica. 2025, 46(9): 76-83 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0762
中图分类号: TK83   

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基金

国家自然科学基金(12162022; 12062012); 甘肃省自然科学基金(22JR5RA267)

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