Experimental observation of fatigue degradation in a composite wind turbine blade

被引：36
|
作者：
Chen, Xiao [1 ]
机构：
[1] Tech Univ Denmark, Dept Wind Energy, Frederiksborgvej 399, DK-4000 Roskilde, Denmark
来源：
COMPOSITE STRUCTURES | 2019年 / 212卷
关键词：
Fatigue degradation; Torsional mode; Damping; Matrix crack; Damage; Composite blade;
D O I：
10.1016/j.compstruct.2019.01.051
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
This study reports experimental observation of structural degradation in a composite wind turbine blade subject to fatigue loading. The fatigue test is carried out according to the test standard for the blade certification. The changes of bending stiffnesses, natural frequencies and damping ratios due to fatigue are examined and discussed. The study provides the first of this kind observation on full-scale composite rotor blades in the literature.
引用
收藏
页码：547 / 551
页数：5
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