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Far-Field Maximal Power Absorption of a Bulging Cylindrical Wave Energy Converter

Author

Listed:
  • Matthieu Ancellin

    (UCD School of Mathematics and Statistics, University College Dublin, D04 V1W8 Dublin, Ireland
    ENS Paris-Saclay, CNRS, Centre Borelli, Université Paris-Saclay, 91190 Gif-sur-Yvette, France)

  • Marlène Dong

    (UCD School of Mathematics and Statistics, University College Dublin, D04 V1W8 Dublin, Ireland)

  • Philippe Jean

    (SBM Offshore, 24 Avenue de Fontvieille, 98007 Monaco City, Monaco)

  • Frédéric Dias

    (UCD School of Mathematics and Statistics, University College Dublin, D04 V1W8 Dublin, Ireland
    ENS Paris-Saclay, CNRS, Centre Borelli, Université Paris-Saclay, 91190 Gif-sur-Yvette, France)

Abstract

The maximal power that is absorbed by a wave energy converter can be estimated from the far-field behavior of the waves that are radiated by the device. For realistic estimates, constraints must be used to enforce restrictions on the set of admissible motions when deriving the maximal absorption width. This work is dedicated to the numerical computation of the maximal absorption width under constraints for devices with several non-trivial degrees of freedom. In particular, the method is applied to a model of SBM Offshore’s S3 wave energy converter, a bulging horizontal cylinder. The results are compared with a more classical approach, which consists of computing the linear dynamic response of the wave energy converter interacting with the waves. The far-field maximal absorption width can be seen as an upper bound to evaluate what would be the power captured by a perfect control strategy. The method also shows that the absorption width of the S3 wave energy converter is larger for wavelengths that are smaller than the device length. In practice, this means that S3 wave energy converters will be longer than the maximal wavelength to be captured on the targeted production site.

Suggested Citation

  • Matthieu Ancellin & Marlène Dong & Philippe Jean & Frédéric Dias, 2020. "Far-Field Maximal Power Absorption of a Bulging Cylindrical Wave Energy Converter," Energies, MDPI, vol. 13(20), pages 1-17, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:20:p:5499-:d:431960
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    Citations

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    Cited by:

    1. Emiliano Renzi & Simone Michele & Siming Zheng & Siya Jin & Deborah Greaves, 2021. "Niche Applications and Flexible Devices for Wave Energy Conversion: A Review," Energies, MDPI, vol. 14(20), pages 1-25, October.
    2. Collins, Ieuan & Hossain, Mokarram & Dettmer, Wulf & Masters, Ian, 2021. "Flexible membrane structures for wave energy harvesting: A review of the developments, materials and computational modelling approaches," Renewable and Sustainable Energy Reviews, Elsevier, vol. 151(C).

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