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Structural Optimization Design of Large Wind Turbine Blade considering Aeroelastic Effect

Author

Listed:
  • Yuqiao Zheng
  • Yongyong Cao
  • Chengcheng Zhang
  • Zhe He

Abstract

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 of wind turbine. The optimized mathematical model of the blade was established in the interaction between aerodynamic and structural conditions. The modal results show that the first six modes are flapwise 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.

Suggested Citation

  • Yuqiao Zheng & Yongyong Cao & Chengcheng Zhang & Zhe He, 2017. "Structural Optimization Design of Large Wind Turbine Blade considering Aeroelastic Effect," Mathematical Problems in Engineering, Hindawi, vol. 2017, pages 1-7, October.
    • Handle: RePEc:hin:jnlmpe:3412723
    DOI: 10.1155/2017/3412723
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    Cited by:

    1. Yewen Chen & Shuni Zhou & Chang Cai & Weilong Wang & Yuheng Hao & Teng Zhou & Xinbao Wang & Qingan Li, 2023. "Study on the Rotation Effect on the Modal Performance of Wind Turbine Blades," Energies, MDPI, vol. 16(3), pages 1-11, January.

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