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首页> 外文期刊>Journal of Vibration and Acoustics >Nonlinear Vibration Analysis of the Wind Turbine Blade (Occurrence of the Superharmonic Resonance in the Out of Plane Vibration of the Elastic Blade)
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Nonlinear Vibration Analysis of the Wind Turbine Blade (Occurrence of the Superharmonic Resonance in the Out of Plane Vibration of the Elastic Blade)

机译：风力涡轮机叶片的非线性振动分析（在弹性叶片的平面振动之外发生超谐共振）

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摘要

The use of wind turbine generator has rapidly spread as a one of the foremost clean energy sources. Recently, as the size of the wind turbine generator has become larger, its maintenance has become more difficult. However, there are few studies on the vibration analysis and its suppression in the conventional researches. The wind turbine is a special type of rotating machinery which has a long heavy blade rotating in the vertical plane under the action of the gravitational force. The wind power acting on the wind turbine blade varies periodically because of the height-dependent characteristic of the wind. Therefore, the dynamical design and analysis of the wind turbine blade requires a more thorough study. This paper investigates the fundamental vibration characteristic of an elastic blade of the wind turbine. The nonlinear vibration analysis of the superharmonic resonance is performed, and its characteristics are explained. Furthermore, the effect of the interaction of both the gravitational force and the wind force on the superharmonic resonance is clarified.
机译：风力发电机的使用已迅速普及，成为最重要的清洁能源之一。近来，随着风力涡轮发电机的尺寸变大，其维护变得更加困难。然而，在常规研究中很少有关于振动分析及其抑制的研究。风力涡轮机是一种特殊的旋转机械，在重力的作用下，长叶片在垂直平面上旋转。由于风的高度依赖性，作用在风力涡轮机叶片上的风力周期性地变化。因此，风力涡轮机叶片的动力学设计和分析需要更深入的研究。本文研究了风力涡轮机弹性叶片的基本振动特性。进行了超谐共振的非线性振动分析，并解释了其特性。此外，阐明了重力和风力的相互作用对超谐波共振的影响。

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    《Journal of Vibration and Acoustics》 |2012年第3期|p.031009.1-031009.13|共13页
  • 作者

    Tsuyoshi Inoue; Yukio Ishida; Takashi Kiyohara;

  • 作者单位

    Department of Mechanical Science and Engineering,School of Engineering,Nagoya University,Nagoya, 464-8603,Japan;

    Department of Mechanical Science and Engineering,School of Engineering,Nagoya University,Nagoya, 464-8603,Japan;

    Makita Corporation,3-11-8, Sumiyoshi-cho, Anjo,Aichi, 446-8502, Japan;

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