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Analysis of alternative adaptive geometrical configurations for the NREL-5 MW wind turbine blade

Author

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  • Lago, Lucas I.
  • Ponta, Fernando L.
  • Otero, Alejandro D.

Abstract

The correct prediction of flexo-torsional deformation is of capital importance for the future development of advanced wind-turbine blade prototypes. Coupling between bending and twisting can be used to reduce extreme loads and improve fatigue performance. This is the principle of the adaptive blades, where the incremental loads are reduced when, as the blade bends, the flexo-torsional modes of the blade structure produce a change in twist, and so in the angle of attack, modifying the lift force acting on the blade sections. Bend-twist coupling could be achieved either by modifying the internal structure (structural adaptiveness), or by readapting the geometry of the blade (geometrical adaptiveness). These two techniques can be used independently or combined, complementing each other.

Suggested Citation

  • Lago, Lucas I. & Ponta, Fernando L. & Otero, Alejandro D., 2013. "Analysis of alternative adaptive geometrical configurations for the NREL-5 MW wind turbine blade," Renewable Energy, Elsevier, vol. 59(C), pages 13-22.
    • Handle: RePEc:eee:renene:v:59:y:2013:i:c:p:13-22
    DOI: 10.1016/j.renene.2013.03.007
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    Citations

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    Cited by:

    1. McKenna, R. & Ostman v.d. Leye, P. & Fichtner, W., 2016. "Key challenges and prospects for large wind turbines," Renewable and Sustainable Energy Reviews, Elsevier, vol. 53(C), pages 1212-1221.
    2. Scott, Samuel & Capuzzi, Marco & Langston, David & Bossanyi, Ervin & McCann, Graeme & Weaver, Paul M. & Pirrera, Alberto, 2017. "Effects of aeroelastic tailoring on performance characteristics of wind turbine systems," Renewable Energy, Elsevier, vol. 114(PB), pages 887-903.
    3. Rezaei, Ramtin & Fromme, Paul & Duffour, Philippe, 2018. "Fatigue life sensitivity of monopile-supported offshore wind turbines to damping," Renewable Energy, Elsevier, vol. 123(C), pages 450-459.
    4. Lee, Kyoungsoo & Huque, Ziaul & Kommalapati, Raghava & Han, Sang-Eul, 2017. "Fluid-structure interaction analysis of NREL phase VI wind turbine: Aerodynamic force evaluation and structural analysis using FSI analysis," Renewable Energy, Elsevier, vol. 113(C), pages 512-531.
    5. Lee, Kyoungsoo & Huque, Ziaul & Kommalapati, Raghava & Han, Sang-Eul, 2016. "Evaluation of equivalent structural properties of NREL phase VI wind turbine blade," Renewable Energy, Elsevier, vol. 86(C), pages 796-818.
    6. Gao, Linyue & Zhang, Hui & Liu, Yongqian & Han, Shuang, 2015. "Effects of vortex generators on a blunt trailing-edge airfoil for wind turbines," Renewable Energy, Elsevier, vol. 76(C), pages 303-311.
    7. Ponta, Fernando L. & Otero, Alejandro D. & Lago, Lucas I. & Rajan, Anurag, 2016. "Effects of rotor deformation in wind-turbine performance: The Dynamic Rotor Deformation Blade Element Momentum model (DRD–BEM)," Renewable Energy, Elsevier, vol. 92(C), pages 157-170.

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