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Numerical modelling of the CECO wave energy converter

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  • López, M.
  • Taveira-Pinto, F.
  • Rosa-Santos, P.

Abstract

This work aims to get a better insight into the behaviour of CECO, an oscillating-body wave energy converter that presents a singular feature: the motion of its oscillating part is restricted to translations along an inclined axis. In order to study in the time domain the response of CECO for a wide range of wave conditions, a hybrid numerical approach based on the Boundary Element Method (BEM) and the Morison’s equation was used. The effects of the power take-off system were included in the numerical model and calibrated with the results from previous wave basin experiments. The results show that CECO is able to capture up to 40% of the incident wave energy when the direction of translation is 45°. However, if the direction of translation is vertical, the amount of captured wave energy decreases almost three times. This investigation demonstrates the advantage of limiting the oscillation of the CECO floating part to an inclined direction and reaffirms the concept as a promising technology for wave energy conversion.

Suggested Citation

  • López, M. & Taveira-Pinto, F. & Rosa-Santos, P., 2017. "Numerical modelling of the CECO wave energy converter," Renewable Energy, Elsevier, vol. 113(C), pages 202-210.
    • Handle: RePEc:eee:renene:v:113:y:2017:i:c:p:202-210
    DOI: 10.1016/j.renene.2017.05.066
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    References listed on IDEAS

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    Citations

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    Cited by:

    1. Ji, Xueyu & Shami, Elie Al & Monty, Jason & Wang, Xu, 2020. "Modelling of linear and non-linear two-body wave energy converters under regular and irregular wave conditions," Renewable Energy, Elsevier, vol. 147(P1), pages 487-501.
    2. Gianmaria Giannini & Esmaeil Zavvar & Victor Ramos & Tomás Calheiros-Cabral & Isabel Iglesias & Francisco Taveira-Pinto & Paulo Rosa-Santos, 2024. "On the Development of a Near-Shore Pivoting Wave Energy Converter," Energies, MDPI, vol. 17(11), pages 1-22, June.
    3. Berenjkoob, Mahdi Nazari & Ghiasi, Mahmoud & Soares, C.Guedes, 2021. "Influence of the shape of a buoy on the efficiency of its dual-motion wave energy conversion," Energy, Elsevier, vol. 214(C).
    4. Claus, R. & López, M., 2022. "Key issues in the design of floating photovoltaic structures for the marine environment," Renewable and Sustainable Energy Reviews, Elsevier, vol. 164(C).
    5. Rosa-Santos, Paulo & Taveira-Pinto, Francisco & Rodríguez, Claudio A. & Ramos, Victor & López, Mario, 2019. "The CECO wave energy converter: Recent developments," Renewable Energy, Elsevier, vol. 139(C), pages 368-384.
    6. Rodríguez, Claudio A. & Rosa-Santos, Paulo & Taveira-Pinto, Francisco, 2019. "Assessment of damping coefficients of power take-off systems of wave energy converters: A hybrid approach," Energy, Elsevier, vol. 169(C), pages 1022-1038.
    7. Giannini, Gianmaria & Rosa-Santos, Paulo & Ramos, Victor & Taveira-Pinto, Francisco, 2022. "Wave energy converters design combining hydrodynamic performance and structural assessment," Energy, Elsevier, vol. 249(C).
    8. Derong, Duan & Fei, Chen & Hui, Zhang & Xuefeng, Yang & Fang, Zhao, 2020. "Study on capture power of the sealed-buoy wave energy converter in low energy flow density area," Renewable Energy, Elsevier, vol. 152(C), pages 1024-1034.

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