风电机组叶片结冰的光纤感知及厚度分布估计

李伟; 文飞; 陈光荣; 舒禹; 王昭力; 周志宏

doi:10.19912/j.0254-0096.tynxb.2021-1208

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太阳能学报 ›› 2023, Vol. 44 ›› Issue (3) : 77-83. DOI: 10.19912/j.0254-0096.tynxb.2021-1208

风电机组叶片结冰的光纤感知及厚度分布估计

李伟¹, 文飞², 陈光荣², 舒禹², 王昭力², 周志宏³

作者信息 +

OPTICAL FIBER SENSING AND THICKNESS DISTRIBUTION ESTIMATION OF ICING STATE ON WIND TURBINE BLADES

Li Wei¹, Wen Fei², Chen Guangrong², Shu Yu², Wang Zhaoli², Zhou Zhihong³

Author information +

文章历史 +

摘要

分析光纤感知叶片结冰厚度的检测原理并设计四通道双窗口专用结冰探测器,采用模拟计算并分析不同攻角和水滴粒径下叶片水滴收集率分布,借助风电机组所在空气流场构建风电机组机舱顶部结冰探测器与叶片间运行环境结冰信息的内在关联,进而实现叶片表面结冰厚度检测及分布估计并在风场风电机组进行结冰实测验证,结果表明叶片表面结冰状态呈现前缘结冰最厚且沿叶尖方向逐渐增加的分布特征,探测器检测值与实测值偏差在8%内,可满足风电机组叶片防除冰的工程应用需求。

Abstract

This paper proposes the detection principle of optical fiber sensing ice thickness on wind turbine blades surface and designs a four-channel ice detector with double windows. The distribution of droplet collection rate under different attack angles and droplet sizes is calculated and analyzed by using simulation software platform. The ice detector on the top of its nacelle and three wind turbine blades approximately have the same airflow field to realize the ice thickness measuring and its distribution estimation of three wind turbine blades. The real icing experiment and thickness measuring demonstrated on a wind turbine. The results show that the ice thickness at the leading edge of the blade is maximal and increases gradually along the tip direction. and the difference between the ice detected values and the actual values is within 8%, which can satisfy the application requirements of the ant icing and deicing engineering application on wind turbine blades.

导出引用

李伟, 文飞, 陈光荣, 舒禹, 王昭力, 周志宏. 风电机组叶片结冰的光纤感知及厚度分布估计[J]. 太阳能学报. 2023, 44(3): 77-83 https://doi.org/10.19912/j.0254-0096.tynxb.2021-1208

Li Wei, Wen Fei, Chen Guangrong, Shu Yu, Wang Zhaoli, Zhou Zhihong. OPTICAL FIBER SENSING AND THICKNESS DISTRIBUTION ESTIMATION OF ICING STATE ON WIND TURBINE BLADES[J]. Acta Energiae Solaris Sinica. 2023, 44(3): 77-83 https://doi.org/10.19912/j.0254-0096.tynxb.2021-1208

中图分类号： TH865

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