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Structural Optimization Design of Large Wind Turbine Blade considering Aeroelastic Effect

机译：考虑气弹效应的大型风力发电机叶片结构优化设计

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摘要

This paper presents a structural optimization design of the realistic large scale wind turbine blade. The mathematical simulations have been compared with experimental data found in the literature. All complicated loads were applied on the blade when it was working, which impacts directly on mixed vibration of the wind rotor, tower, and other components, and this vibration can dramatically affect the service life and performance ofwind turbine. The optimized mathematical model of the bladewas established in the interaction between aerodynamic and structural conditions. The modal results show that the first six modes are flap wise dominant. Meanwhile, the mechanism relationship was investigated between the blade tip deformation and the load distribution. Finally, resonance cannot occur in the optimized blade, as compared to the natural frequency of the blade. It verified that the optimized model is more appropriate to describe the structure. Additionally, it provided a reference for the structural design of a large wind turbine blade.
机译：本文提出了现实的大型风力发电机叶片的结构优化设计。将数学模拟与文献中的实验数据进行了比较。在叶片工作时，所有复杂的载荷都施加在叶片上，这直接影响到风轮，塔架和其他组件的混合振动，这种振动会极大地影响风力涡轮机的使用寿命和性能。在空气动力学和结构条件之间的相互作用中建立了叶片的优化数学模型。模态结果表明，前六个模态是襟翼方向主导。同时，研究了叶尖变形与载荷分布之间的机理关系。最后，与叶片的固有频率相比，在优化的叶片中不会发生共振。验证了优化后的模型更适合描述结构。此外，它为大型风力涡轮机叶片的结构设计提供了参考。

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  • 来源
    《Mathematical Problems in Engineering》 |2017年第9期|3412723.1-3412723.7|共7页
  • 作者

    Zheng Yuqiao; Cao Yongyong; Zhang Chengcheng; He Zhe;

  • 作者单位

    Lanzhou Univ Technol, Minist Educ, Key Lab Digital Mfg Technol & Applicat, Lanzhou 730050, Gansu, Peoples R China;

    Lanzhou Univ Technol, Minist Educ, Key Lab Digital Mfg Technol & Applicat, Lanzhou 730050, Gansu, Peoples R China;

    Lanzhou Univ Technol, Minist Educ, Key Lab Digital Mfg Technol & Applicat, Lanzhou 730050, Gansu, Peoples R China;

    Lanzhou Univ Technol, Minist Educ, Key Lab Digital Mfg Technol & Applicat, Lanzhou 730050, Gansu, Peoples R China;

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