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首页> 外文期刊>Journal of intelligent material systems and structures >Lightning strike evaluation on composite and biocomposite vertical-axis wind turbine blade using structural health monitoring approach
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Lightning strike evaluation on composite and biocomposite vertical-axis wind turbine blade using structural health monitoring approach

机译：利用结构健康监测方法评估复合材料和生物复合垂直轴风力发电机叶片的雷击

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摘要

Lightning damages to wind turbine blades increase as the size of wind turbine becomes larger. The damages are quite serious since it contributes to high cost of repairs and loss of electric power production. Since natural plant fibres receive attention nowadays due to low density and high specific strength, the usage of natural fibre to replace synthetic fibre in fabricating the turbine blade will promote a green renewable material. As the application of biocomposite for wind turbine blade has been explored, the effect of lightning strike damage has been required for further test investigation. This article explores the comparative results of performing lightning strike damage testing on composite (fibreglass) and biocomposite (flax fibre) wind turbine blades with protective metal mesh materials. The damage assessments were performed using visual non-destructive inspection methods and piezoelectric sensor as part of structural health monitoring. From the result, it is found that fibreglass blade experienced larger damage area compared to flax fibre blade based on the visual test conducted.
机译：随着风力涡轮机的尺寸变大，对风力涡轮机叶片的雷击伤害增加。损害非常严重，因为这会导致较高的维修成本和电力生产损失。由于当今天然植物纤维由于低密度和高比强度而受到关注，因此在制造涡轮叶片中使用天然纤维代替合成纤维将促进绿色可再生材料的发展。由于已经探索了生物复合材料在风力涡轮机叶片中的应用，因此雷击损坏的影响需要进一步的试验研究。本文探讨了在具有保护性金属网材料的复合材料（玻璃纤维）和生物复合材料（亚麻纤维）风力涡轮机叶片上进行雷击损坏测试的比较结果。使用视觉非破坏性检查方法和压电传感器作为结构健康监测的一部分进行损伤评估。从结果可知，根据进行的目测，与亚麻纤维刀片相比，玻璃纤维刀片的损伤面积更大。

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