风电机组叶片结冰的光纤感知及厚度分布估计  

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

作　　者：李伟[1] 文飞 陈光荣 舒禹 王昭力 周志宏[3] Li Wei;Wen Fei;Chen Guangrong;Shu Yu;Wang Zhaoli;Zhou Zhihong(College of Artificial Intelligence and Electrical Engineering,Guizhou Institute of Technology,Guiyang 550003,China;Datang Guizhou New Energy Development Co.,Ltd.,Guiyang 556000,China;College of Architecture&Environment,Sichuan University,Chengdu 621000,China)

机构地区：[1]贵州理工学院人工智能与电气工程学院,贵阳550003 [2]大唐贵州新能源开发有限公司,贵阳556000 [3]四川大学建筑与环境学院,成都621000

出　　处：《太阳能学报》2023年第3期77-83,共7页Acta Energiae Solaris Sinica

基　　金：贵州省科技支撑项目(黔科合支撑[2019]2035号);国家自然科学基金(12072213);国家科技重大专项(J2019-III-0010-0054)。

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。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.

关 键 词：叶片 风电机组 结冰探测器 厚度检测 防除冰 

分 类 号：TH865[机械工程—仪器科学与技术]