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Computational Fluid Dynamic Analysis of a Floating Offshore Wind Turbine Experiencing Platform Pitching Motion

Author

Listed:
  • Thanhtoan Tran

    (Graduate School of Mechanical and Aerospace Engineering, Gyeongsang National University (GNU), 900 Gazwa, Jinju 660-701, Gyeongnam, Korea)

  • Donghyun Kim

    (Graduate School of Mechanical and Aerospace Engineering, Gyeongsang National University (GNU), 900 Gazwa, Jinju 660-701, Gyeongnam, Korea)

  • Jinseop Song

    (Department of System Engineering, Korea Institute of Machinery and Materials (KIMM), Taejon 305-343, Korea)

Abstract

The objective of this study is to illustrate the unsteady aerodynamic effects of a floating offshore wind turbine experiencing the prescribed pitching motion of a supporting floating platform as a sine function. The three-dimensional, unsteady Reynolds Averaged Navier-Stokes equations with the shear-stress transport (SST) k-ω turbulence model were applied. Moreover, an overset grid approach was used to model the rigid body motion of a wind turbine blade. The current simulation results are compared to various approaches from previous studies. The unsteady aerodynamic loads of the blade were demonstrated to change drastically with respect to the frequency and amplitude of platform motion.

Suggested Citation

  • Thanhtoan Tran & Donghyun Kim & Jinseop Song, 2014. "Computational Fluid Dynamic Analysis of a Floating Offshore Wind Turbine Experiencing Platform Pitching Motion," Energies, MDPI, vol. 7(8), pages 1-16, August.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:8:p:5011-5026:d:38797
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    References listed on IDEAS

    as
    1. Thomas Sebastian & Matthew Lackner, 2012. "Analysis of the Induction and Wake Evolution of an Offshore Floating Wind Turbine," Energies, MDPI, vol. 5(4), pages 1-33, April.
    2. Li, Yuwei & Paik, Kwang-Jun & Xing, Tao & Carrica, Pablo M., 2012. "Dynamic overset CFD simulations of wind turbine aerodynamics," Renewable Energy, Elsevier, vol. 37(1), pages 285-298.
    3. Sebastian, T. & Lackner, M.A., 2012. "Development of a free vortex wake method code for offshore floating wind turbines," Renewable Energy, Elsevier, vol. 46(C), pages 269-275.
    4. Jeon, Minu & Lee, Seungmin & Lee, Soogab, 2014. "Unsteady aerodynamics of offshore floating wind turbines in platform pitching motion using vortex lattice method," Renewable Energy, Elsevier, vol. 65(C), pages 207-212.
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