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Performance Assessment of a Hybrid Wave Energy Converter Integrated into a Harbor Breakwater

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  • Tomás Cabral

    (Department of Civil Engineering, Faculty of Engineering (FEUP), University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
    CIIMAR—Interdisciplinary Centre of Marine and Environmental Research of the University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Matosinhos, Portugal)

  • Daniel Clemente

    (Department of Civil Engineering, Faculty of Engineering (FEUP), University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
    CIIMAR—Interdisciplinary Centre of Marine and Environmental Research of the University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Matosinhos, Portugal)

  • Paulo Rosa-Santos

    (Department of Civil Engineering, Faculty of Engineering (FEUP), University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
    CIIMAR—Interdisciplinary Centre of Marine and Environmental Research of the University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Matosinhos, Portugal)

  • Francisco Taveira-Pinto

    (Department of Civil Engineering, Faculty of Engineering (FEUP), University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
    CIIMAR—Interdisciplinary Centre of Marine and Environmental Research of the University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208 Matosinhos, Portugal)

  • Tiago Morais

    (Institute of Science and Innovation in Mechanical and Industrial Engineering (INEGI), Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal)

  • Filipe Belga

    (Institute of Science and Innovation in Mechanical and Industrial Engineering (INEGI), Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal)

  • Henrique Cestaro

    (Institute of Science and Innovation in Mechanical and Industrial Engineering (INEGI), Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal)

Abstract

Seaports are highly energy demanding infrastructures and are exposed to wave energy, which is an abundant resource and largely unexploited. As a result, there has been a rising interest in integrating wave energy converters (WEC) into the breakwaters of seaports. The present work analyzes the performance of an innovative hybrid WEC module combining an oscillating water column (OWC) and an overtopping device (OWEC) integrated into a rubble mound breakwater, based on results of a physical model study carried out at a geometrical scale of 1:50. Before the experimental tests, the device’s performance was numerically optimized using ANSYS Fluent and WOPSim v3.11. The wave power captured by the hybrid WEC was calculated and the performance of the two harvesting principles discussed. It was demonstrated that hybridization could lead to systems with higher efficiencies than its individual components, for a broader range of wave conditions. The chosen concepts were found to complement each other: the OWEC was more efficient for the lower wave periods tested and the OWC for the higher. Consequently, the power production of the hybrid WEC was found to be less dependent on the wave’s characteristics.

Suggested Citation

  • Tomás Cabral & Daniel Clemente & Paulo Rosa-Santos & Francisco Taveira-Pinto & Tiago Morais & Filipe Belga & Henrique Cestaro, 2020. "Performance Assessment of a Hybrid Wave Energy Converter Integrated into a Harbor Breakwater," Energies, MDPI, vol. 13(1), pages 1-22, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:1:p:236-:d:304791
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    References listed on IDEAS

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    Cited by:

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    2. 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.
    3. Fouz, D.M. & Carballo, R. & López, I. & Iglesias, G., 2022. "Tidal stream energy potential in the Shannon Estuary," Renewable Energy, Elsevier, vol. 185(C), pages 61-74.
    4. Calheiros-Cabral, Tomás & Clemente, Daniel & Rosa-Santos, Paulo & Taveira-Pinto, Francisco & Ramos, Victor & Morais, Tiago & Cestaro, Henrique, 2020. "Evaluation of the annual electricity production of a hybrid breakwater-integrated wave energy converter," Energy, Elsevier, vol. 213(C).
    5. Iván López & Rodrigo Carballo & David Mateo Fouz & Gregorio Iglesias, 2021. "Design Selection and Geometry in OWC Wave Energy Converters for Performance," Energies, MDPI, vol. 14(6), pages 1-18, March.
    6. Irene Simonetti & Andrea Esposito & Lorenzo Cappietti, 2022. "Experimental Proof-of-Concept of a Hybrid Wave Energy Converter Based on Oscillating Water Column and Overtopping Mechanisms," Energies, MDPI, vol. 15(21), pages 1-20, October.

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