Wind and Structures

  • 제17권6호
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  • Pages.671-680
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  • 2013
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Aeroelastic investigation of a composite wind turbine blade

  • Rafiee, Roham (Faculty of New Sciences and Technologies, University of Tehran) ;
  • Fakoor, Mahdi (Faculty of New Sciences and Technologies, University of Tehran)
  • 투고 : 2012.05.24
  • 심사 : 2013.07.30
  • 발행 : 2013.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

Static aeroelastic is investigated in a wind turbine blade. Imposed to different loadings, the very long and flexible structures of blades experience some changes in its preliminary geometry. This results in variations of aerodynamic loadings. An iterative approach is developed to study the interactions between structure and aerodynamics evaluating variations in induced stresses in presence of aeroelasticity phenomenon for a specific wind turbine blade. A 3D finite element model of the blade is constructed. Aerodynamic loading is applied to the model and deflected shape is extracted. Then, aerodynamic loadings are updated in accordance with the new geometry of the deflected blade. This process is repeated till the convergence is met. Different operational conditions consisting of stand-by, start-up, power production and normal shut-down events are investigated. It is revealed that stress components vary significantly in the event of power production at the rated wind speed; while it is less pronounced for the events of normal shut-down and stand-by.

키워드

참고문헌

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피인용 문헌

  1. Statistical wind prediction and fatigue analysis for horizontal-axis wind turbine composite material blade under dynamic loads vol.9, pp.9, 2017, https://doi.org/10.1177/1687814017724088
  2. Simulation of aeroelastic behavior in a composite wind turbine blade vol.151, 2016, https://doi.org/10.1016/j.jweia.2016.01.010
  3. Impact of Blade Flexibility on Wind Turbine Loads and Pitch Settings vol.141, pp.4, 2019, https://doi.org/10.1115/1.4042315
  4. Aerodynamic and structural optimization of wind turbine blade with static aeroelastic effects vol.15, pp.1, 2013, https://doi.org/10.1093/ijlct/ctz057
  5. Flutter study of flapwise bend-twist coupled composite wind turbine blades vol.32, pp.3, 2021, https://doi.org/10.12989/was.2021.32.3.267
  6. Multi-objective structural optimization of a wind turbine blade using NSGA-II algorithm and FSI vol.93, pp.6, 2013, https://doi.org/10.1108/aeat-02-2021-0055