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基于大变形梁模型的风力机叶片气动弹性分析

张新榃 杨超 吴志刚

张新榃, 杨超, 吴志刚等 . 基于大变形梁模型的风力机叶片气动弹性分析[J]. 北京航空航天大学学报, 2014, 40(3): 327-332. doi: 10.13700/j.bh.1001-5965.2013.0596
引用本文: 张新榃, 杨超, 吴志刚等 . 基于大变形梁模型的风力机叶片气动弹性分析[J]. 北京航空航天大学学报, 2014, 40(3): 327-332. doi: 10.13700/j.bh.1001-5965.2013.0596
Zhang Xintan, Yang Chao, Wu Zhiganget al. Aeroelastic analysis method for wind turbine blade based on large deformation beam model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(3): 327-332. doi: 10.13700/j.bh.1001-5965.2013.0596(in Chinese)
Citation: Zhang Xintan, Yang Chao, Wu Zhiganget al. Aeroelastic analysis method for wind turbine blade based on large deformation beam model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(3): 327-332. doi: 10.13700/j.bh.1001-5965.2013.0596(in Chinese)

基于大变形梁模型的风力机叶片气动弹性分析

doi: 10.13700/j.bh.1001-5965.2013.0596
详细信息
  • 中图分类号: TK83

Aeroelastic analysis method for wind turbine blade based on large deformation beam model

  • 摘要: 以水平轴风力机为研究对象分析其叶片大幅值气动弹性动态响应问题.基于非线性欧拉梁模型和风力机叶片动态入流、动态失速气动力模型进行气动弹性建模.气弹方程的动态平衡求解采用Newton-Raphson迭代,分别通过牛顿下山法和同伦沿拓法这两种数值手段改善其迭代收敛性,并对这两种算法的有效性进行比较,结果表明同伦沿拓法的收敛性相对较好.以两种典型的水平轴风机为算例,在额定工作状态以及某些极端风况下计算叶片动态响应.根据叶片根部弯矩载荷幅值定义系统是否达到临界稳定状态,并针对关停状态的风机研究了叶片临界风速与来流方向角的关系.结果表明,某些极端风况和工作状态下,风机叶片根部弯曲载荷较大,相应临界稳定的风速较低.

     

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出版历程
  • 收稿日期:  2013-10-22
  • 网络出版日期:  2014-03-20

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