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Experimental Measurement of Wave Field Variations around Wave Energy Converter Arrays

Author

Listed:
  • Louise O’Boyle

    (School of Natural and Built Environment, Queen’s University Belfast, David Keir Building, Stranmillis Road, Belfast BT7 1NN, UK)

  • Björn Elsäßer

    (School of Natural and Built Environment, Queen’s University Belfast, David Keir Building, Stranmillis Road, Belfast BT7 1NN, UK
    Danish Hydraulic Institute (DHI), Agern Allé 5, Hørsholm DK-2970, Denmark)

  • Trevor Whittaker

    (School of Natural and Built Environment, Queen’s University Belfast, David Keir Building, Stranmillis Road, Belfast BT7 1NN, UK)

Abstract

Wave energy converters (WECs) inherently extract energy from incident waves. For wave energy to become a significant power provider in the future, large farms of WECs will be required. This scale of energy extraction will increase the potential for changes in the local wave field and coastal environment. Assessment of these effects is necessary to inform decisions on the layout of wave farms for optimum power output and minimum environmental impact, as well as on potential site selection. An experimental campaign to map, at high resolution, the wave field variation around arrays of 5 oscillating water column WECs and a methodology for extracting scattered and radiated waves is presented. The results highlight the importance of accounting for the full extent of the WEC behavior when assessing impacts on the wave field. The effect of radiated waves on the wave field is not immediately apparent when considering changes to the entire wave spectrum, nor when observing changes in wave climate due to scattered and radiated waves superimposed together. The results show that radiated waves may account for up to 50% of the effects on wave climate in the near field in particular operating conditions.

Suggested Citation

  • Louise O’Boyle & Björn Elsäßer & Trevor Whittaker, 2017. "Experimental Measurement of Wave Field Variations around Wave Energy Converter Arrays," Sustainability, MDPI, vol. 9(1), pages 1-16, January.
    • Handle: RePEc:gam:jsusta:v:9:y:2017:i:1:p:70-:d:87001
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    References listed on IDEAS

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    Cited by:

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    4. Dezhi Ning & Rongquan Wang & Chongwei Zhang, 2017. "Numerical Simulation of a Dual-Chamber Oscillating Water Column Wave Energy Converter," Sustainability, MDPI, vol. 9(9), pages 1-12, September.
    5. Li, Boyang & Li, Canpeng & Zhang, Baoshou & Deng, Fang & Yang, Hualin, 2023. "The effect of the different spacing ratios on wave energy converter of three floating bodies," Energy, Elsevier, vol. 268(C).
    6. Doyle, Simeon & Aggidis, George A., 2021. "Experimental investigation and performance comparison of a 1 single OWC, array and M-OWC," Renewable Energy, Elsevier, vol. 168(C), pages 365-374.
    7. López-Ruiz, Alejandro & Bergillos, Rafael J. & Raffo-Caballero, Juan M. & Ortega-Sánchez, Miguel, 2018. "Towards an optimum design of wave energy converter arrays through an integrated approach of life cycle performance and operational capacity," Applied Energy, Elsevier, vol. 209(C), pages 20-32.
    8. Craig Jones & Grace Chang & Kaustubha Raghukumar & Samuel McWilliams & Ann Dallman & Jesse Roberts, 2018. "Spatial Environmental Assessment Tool (SEAT): A Modeling Tool to Evaluate Potential Environmental Risks Associated with Wave Energy Converter Deployments," Energies, MDPI, vol. 11(8), pages 1-19, August.

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