中国塑料 ›› 2013, Vol. 27 ›› Issue (12): 79-83 .DOI: 10.19491/j.issn.1001-9278.2013.12.015

• 加工与应用 • 上一篇    下一篇

不饱和聚酯树脂风电叶片的力学性能及流场分析研究

林广义 董方晨 牛世同   

  1. 青岛科技大学 青岛科技大学 青岛科技大学
  • 收稿日期:2013-06-14 修回日期:2013-09-05 出版日期:2013-08-26 发布日期:2013-08-26

Study on Mechanical Properties and Flow Analysis of the Unsaturated Polyester Resin Wind Turbine Blade

Fang-Chen DONG   

  • Received:2013-06-14 Revised:2013-09-05 Online:2013-08-26 Published:2013-08-26
  • Contact: Fang-Chen DONG

摘要: 构建了风力发电机叶片的三维物理模型,利用ProE/Mechanica对加入有机蒙脱土(OMMT)的不饱和聚酯树脂风电叶片进行了静力学和动力学分析,得到了风电叶片4个振动阶段的变化情况,并应用Moldflow软件在叶片注射成型的流场模拟方面进行了系统地研究,得到了风电叶片填充时间、填充温度的变化规律。结果表明,风电叶片在静态时能够满足强度要求,其顶端受到的风力最大,叶片在额定风速下运行时不会引起共振,并且叶片等大型结构件不适合采用注塑方法成型,可采用真空辅助树脂传递的方法来制造。

关键词: 风电叶片, 模态分析, 流场模拟, 不饱和聚酯, 力学性能

Abstract: A 3D model was formulated for wind turbine blade made of unsaturated polyester resin filled with organic montmorillonite (OMMT). Static and dynamic analysis were carried out using ProE/Mechanica, four vibration stage of the wind turbine blade were identified. The flow field during the injection molding was simulated with Moldflow software and the filling time and temperature were obtained. It was concluded that the blade would not cause resonance, even at the top of the blade where the wind was strongest. Injection molding was not suitable for the production of the blade, vacuum assisted resin transfer may be useful.

Key words: wind-power blade, modal analysis, flow field simulation, unsaturated polyester, mechanical property