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On the Development of an Offshore Version of the CECO Wave Energy Converter

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  • Gianmaria Giannini

    (Hydraulics, Water Resources and Environment Division, Department of Civil Engineering, Faculty of Engineering of the University of Porto (FEUP), Rua Dr. Roberto Frias, S/N, 4200-465 Porto, Portugal
    Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal)

  • Paulo Rosa-Santos

    (Hydraulics, Water Resources and Environment Division, Department of Civil Engineering, Faculty of Engineering of the University of Porto (FEUP), Rua Dr. Roberto Frias, S/N, 4200-465 Porto, Portugal
    Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal)

  • Victor Ramos

    (Hydraulics, Water Resources and Environment Division, Department of Civil Engineering, Faculty of Engineering of the University of Porto (FEUP), Rua Dr. Roberto Frias, S/N, 4200-465 Porto, Portugal
    Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal)

  • Francisco Taveira-Pinto

    (Hydraulics, Water Resources and Environment Division, Department of Civil Engineering, Faculty of Engineering of the University of Porto (FEUP), Rua Dr. Roberto Frias, S/N, 4200-465 Porto, Portugal
    Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal)

Abstract

Offshore locations present significant amounts of wave energy and free sea space, which could facilitate the deployment of larger numbers of wave energy converters (WECs) in comparison with nearshore regions. The present study aims to find a suitable design for an offshore floating version of CECO, a sloped motion WEC. For this purpose, a new design methodology is proposed in this paper for identifying and assessing possible floating configurations of CECO, which consists of four distinct set-ups obtained by varying the type of main supporting structure and the mooring system. Two options are based on spar designs and the other two on tension leg platform (TLP) designs. Based on outcomes of time-domain numerical calculations, the aforementioned configurations were assessed in terms of annual wave energy conversion and magnitude of mooring loads. Results indicate that a TLP configuration with an innovative mooring solution could increase the annual energy production by 40% with respect to the fixed version of CECO. Besides, the mooring system is found to be a key component, influencing the overall system performance.

Suggested Citation

  • Gianmaria Giannini & Paulo Rosa-Santos & Victor Ramos & Francisco Taveira-Pinto, 2020. "On the Development of an Offshore Version of the CECO Wave Energy Converter," Energies, MDPI, vol. 13(5), pages 1-24, February.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:5:p:1036-:d:325396
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    References listed on IDEAS

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    Cited by:

    1. Erfan Amini & Rojin Asadi & Danial Golbaz & Mahdieh Nasiri & Seyed Taghi Omid Naeeni & Meysam Majidi Nezhad & Giuseppe Piras & Mehdi Neshat, 2021. "Comparative Study of Oscillating Surge Wave Energy Converter Performance: A Case Study for Southern Coasts of the Caspian Sea," Sustainability, MDPI, vol. 13(19), pages 1-21, October.
    2. Clemente, D. & Rosa-Santos, P. & Ferradosa, T. & Taveira-Pinto, F., 2023. "Wave energy conversion energizing offshore aquaculture: Prospects along the Portuguese coastline," Renewable Energy, Elsevier, vol. 204(C), pages 347-358.
    3. 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).
    4. Marcin Drzewiecki & Jarosław Guziński, 2020. "Fuzzy Control of Waves Generation in a Towing Tank," Energies, MDPI, vol. 13(8), pages 1-17, April.
    5. Giannini, Gianmaria & López, Mario & Ramos, Victor & Rodríguez, Claudio A. & Rosa-Santos, Paulo & Taveira-Pinto, Francisco, 2021. "Geometry assessment of a sloped type wave energy converter," Renewable Energy, Elsevier, vol. 171(C), pages 672-686.

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