1962. Analysis of dynamic stability for wind turbine blade under fluid-structure interaction

被引：0
|
作者：
Zhang, Jianping [1 ,2 ]
Chen, Wenlong [1 ]
Zhou, Tingjun [1 ]
Wu, Helen [3 ]
Hu, Danmei [1 ]
Ren, Jianxing [1 ]
机构：
[1] Shanghai Univ Elect Power, Coll Energy & Mech Engn, Shanghai, Peoples R China
[2] Shanghai Key Lab Mat Protect & Adv Mat Elect Powe, Shanghai, Peoples R China
[3] Univ Western Sydney, Sch Comp Engn & Math, Penrith, NSW 1797, Australia
来源：
JOURNAL OF VIBROENGINEERING | 2016年 / 18卷 / 02期
基金：
中国国家自然科学基金;
关键词：
wind turbine blade; unidirectional fluid-structure interaction; turbulent effect; wind shear effect; dynamic stability; AEROELASTIC STABILITY;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Aiming at improving vibration performance of 1.5 MW wind turbine blades, the theoretical model and the calculation process of vibration problems under geometric nonlinearity and unidirectional fluid-structure interaction (UFSI) were presented. The dynamic stability analysis on a 1.5 MW wind turbine blade was carried out. Both the maximum brandish displacement and the maximum Mises stress increase nonlinearly with the increase of wind speed. The influences of turbulent effect, wind shear effect and their joint effect on displacement and stress increase sequentially. Furthermore, the stability critical curves are calculated and analyzed. As a result, the stability region is established where the wind turbine blade can run safely.
引用
收藏
页码：1175 / 1186
页数：12
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