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OC6 Phase Ib: Floating Wind Component Experiment for Difference-Frequency Hydrodynamic Load Validation

Author

Listed:
  • Amy Robertson

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

  • Lu Wang

    (National Renewable Energy Laboratory, Golden, CO 80401, USA)

Abstract

A new validation campaign was conducted at the W2 Harold Alfond Ocean Engineering Laboratory at the University of Maine to investigate the hydrodynamic loading on floating offshore wind substructures, with a focus on the low-frequency contributions that tend to drive extreme and fatigue loading in semisubmersible designs. A component-level approach was taken to examine the hydrodynamic loads on individual parts of the semisubmersible in isolation and then in the presence of other members to assess the change in hydrodynamic loading. A variety of wave conditions were investigated, including bichromatic waves, to provide a direct assessment of difference-frequency wave loading. An assessment of the impact of wave uncertainty on the loading was performed, with the goal of enabling validation with this dataset of numerical models with different levels of fidelity. The dataset is openly available for public use and can be downloaded from the U.S. Department of Energy Data Archive and Portal.

Suggested Citation

  • Amy Robertson & Lu Wang, 2021. "OC6 Phase Ib: Floating Wind Component Experiment for Difference-Frequency Hydrodynamic Load Validation," Energies, MDPI, vol. 14(19), pages 1-26, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:19:p:6417-:d:651501
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    References listed on IDEAS

    as
    1. Simos, Alexandre N. & Ruggeri, Felipe & Watai, Rafael A. & Souto-Iglesias, Antonio & Lopez-Pavon, Carlos, 2018. "Slow-drift of a floating wind turbine: An assessment of frequency-domain methods based on model tests," Renewable Energy, Elsevier, vol. 116(PA), pages 133-154.
    2. Lopez-Pavon, Carlos & Souto-Iglesias, Antonio, 2015. "Hydrodynamic coefficients and pressure loads on heave plates for semi-submersible floating offshore wind turbines: A comparative analysis using large scale models," Renewable Energy, Elsevier, vol. 81(C), pages 864-881.
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    Cited by:

    1. Bonaventura Tagliafierro & Madjid Karimirad & Iván Martínez-Estévez & José M. Domínguez & Giacomo Viccione & Alejandro J. C. Crespo, 2022. "Numerical Assessment of a Tension-Leg Platform Wind Turbine in Intermediate Water Using the Smoothed Particle Hydrodynamics Method," Energies, MDPI, vol. 15(11), pages 1-23, May.
    2. Wang, Lu & Robertson, Amy & Jonkman, Jason & Yu, Yi-Hsiang, 2022. "OC6 phase I: Improvements to the OpenFAST predictions of nonlinear, low-frequency responses of a floating offshore wind turbine platform," Renewable Energy, Elsevier, vol. 187(C), pages 282-301.

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