The study of Aeroelastic stability for wind turbine blades

被引：0
|
作者：
Hong Liangyou [1 ]
Jiang Dongxiang [1 ]
Liu Chao [1 ]
Huang Qian [1 ]
机构：
[1] Tsinghua Univ, Gas Turbine Res Ctr, Beijing 100084, Peoples R China
来源：
2009 INTERNATIONAL CONFERENCE ON SUSTAINABLE POWER GENERATION AND SUPPLY, VOLS 1-4 | 2009年
关键词：
Aeroelasticity; Aerodynamics; Structural dynamic; Wind turbines;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, a 15 DOF elastic beam element is developed. Hodges-Dowell's partial differential equations are adopted as blade motion equations, but gravity effect is included also. The nonlinear aerodynamic force is calculated by BEMT combined with the Raj 3-D stall-delay model. Then the aerodynamic model is coupled into the structural dynamic model. The equations of motion for the nonlinear periodic time variant system are calculated by implicit Newmark scheme. Finally, the aerodynamic model is verified and shows good agreement with experiment data. An engineering example on wind turbine is carried out by this coupled model. The result is compared with results in other literatures. The gravity effect is focused. And the blade response under different condition is present and discussed.
引用
收藏
页码：1237 / +
页数：3
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