Using Modal Analysis for Detecting Cracks in Wind Turbine Blades

被引：9
|
作者：
Ganeriwala, Surendra N. [1 ]
Yang, Jun [1 ]
Richardson, Mark [2 ]
机构：
[1] Spectra Quest Inc, Richmond, VA USA
[2] Vibrant Technol Inc, Scotts Valley, CA USA
来源：
SOUND AND VIBRATION | 2011年 / 45卷 / 05期
关键词：
D O I：
暂无
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The structural integrity of blades is critical to the continued operation of a wind turbine. Resonant or modal properties of a mechanical structure are directly influenced by its physical properties. So any change in the physical properties of a structure should cause a change in its modal parameters. In this article, we present test results from a wind turbine blade with different induced cracks. Each result shows that some of the modes of the blade are significantly affected by a crack and that the modal parameters change more significantly with a more severe crack.
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收藏
页码：10 / 13
页数：4
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