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.

引用

页码：10 / 13

页数：4

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