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Numerical Analysis of the Effect of Offshore Turbulent Wind Inflow on the Response of a Spar Wind Turbine

Author

Listed:
  • Rieska Mawarni Putri

    (Department of Mechanical and Structural Engineering and Material Science, University of Stavanger, 4036 Stavanger, Norway)

  • Charlotte Obhrai

    (Department of Mechanical and Structural Engineering and Material Science, University of Stavanger, 4036 Stavanger, Norway)

  • Jasna Bogunovic Jakobsen

    (Department of Mechanical and Structural Engineering and Material Science, University of Stavanger, 4036 Stavanger, Norway)

  • Muk Chen Ong

    (Department of Mechanical and Structural Engineering and Material Science, University of Stavanger, 4036 Stavanger, Norway)

Abstract

Turbulent wind at offshore sites is known as the main cause for fatigue on offshore wind turbine components. Numerical simulations are commonly used to predict the loads and motions of floating offshore wind turbines; however, the definition of representative wind input conditions is necessary. In this study, the load and motion responses of a spar-type Offshore Code Comparison Collaboration (OC3) wind turbine under different turbulent wind conditions is studied and investigated by using SIMO-Riflex in Simulation Workbench for Marine Applications (SIMA) workbench. Using the two spectral models given in the International Electrotechnical Commission (IEC) standards, it is found that a lower wind lateral coherence under neutral atmospheric stability conditions results in an up to 27% higher tower base side–side bending moment and a 20% higher tower top torsional moment. Comparing different atmospheric stability conditions simulated using a spectral model based on FINO1 wind data measurement, the highest turbulent energy content under very unstable conditions yields a 26% higher tower base side–side bending moment and a 27% higher tower top torsional moment than neutral conditions, which have the lowest turbulent energy content and turbulent intensity. The yaw-mode of the OC3 wind turbine is found to be the most influenced component by assessing variations in both the lateral coherence and the atmospheric stability conditions.

Suggested Citation

  • Rieska Mawarni Putri & Charlotte Obhrai & Jasna Bogunovic Jakobsen & Muk Chen Ong, 2020. "Numerical Analysis of the Effect of Offshore Turbulent Wind Inflow on the Response of a Spar Wind Turbine," Energies, MDPI, vol. 13(10), pages 1-22, May.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:10:p:2506-:d:358827
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    References listed on IDEAS

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    1. Doubrawa, Paula & Churchfield, Matthew J. & Godvik, Marte & Sirnivas, Senu, 2019. "Load response of a floating wind turbine to turbulent atmospheric flow," Applied Energy, Elsevier, vol. 242(C), pages 1588-1599.
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    Cited by:

    1. Navid Belvasi & Frances Judge & Jimmy Murphy & Cian Desmond, 2022. "Analysis of Floating Offshore Wind Platform Hydrodynamics Using Underwater SPIV: A Review," Energies, MDPI, vol. 15(13), pages 1-26, June.

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