Quantitative Analysis of Wind Turbine Blade Icing and Its Application
Hu Qin1, Wang Huan1, Qiu Gang2, Shu Lichun1, Jiang Xingliang1
1. Xuefeng Mountain Energy Equipment Safety National Observation and Research Station of Chongqing University Chongqing 400044 China; 2. Electric Power Research Institute of State Grid Jiangsu Electric Power Co. Ltd Nanjing 211103 China
Abstract:The quantitative analysis of wind turbine blade icing is the basis of understanding and solving the icing problem. Considering that there is little research on this at home and abroad, in this paper, the artificial icing test of small wind turbine is carried out in the multi-functional artificial climate laboratory, the blade icing types under three icing conditions such as rime, hard rime and soft rime are obtained, and the icing results are deeply analyzed; At the same time, a relatively perfect blade icing calibration method is given to realize the quantitative analysis of blade icing, and then its practical application is analyzed. The results show that the icing is concentrated in the leading edge of the blade, and the icing range near the stagnation point of the airfoil surface is about 11% of the chord length of the blade; The icing showed a linear growth trend in the blade span-wise direction, accounting for about 70% of the blade length, and the icing was more obvious in the area of about 30%~40% of the blade length near the blade tip. Therefore, the leading edge area formed by the section airfoil surface near the blade tip with about 30%~40% of the blade length and occupying 11% of the blade chord length can be taken as the key research area, that is, in practical application, it can be designed as the best icing protection area and the setting area of blade icing thickness monitoring points. The research results of this paper can provide data reference for solving the problem of fan icing.
胡琴, 王欢, 邱刚, 舒立春, 蒋兴良. 风力发电机叶片覆冰量化分析及其应用[J]. 电工技术学报, 2022, 37(21): 5607-5616.
Hu Qin, Wang Huan, Qiu Gang, Shu Lichun, Jiang Xingliang. Quantitative Analysis of Wind Turbine Blade Icing and Its Application. Transactions of China Electrotechnical Society, 2022, 37(21): 5607-5616.
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