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Open AccessArticle

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

1
Department of Civil Engineering, Faculty of Engineering (FEUP), University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
2
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
3
Institute of Science and Innovation in Mechanical and Industrial Engineering (INEGI), Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
*
Author to whom correspondence should be addressed.
Energies 2020, 13(1), 236; https://doi.org/10.3390/en13010236
Received: 25 November 2019 / Revised: 28 December 2019 / Accepted: 31 December 2019 / Published: 3 January 2020
(This article belongs to the Special Issue Wave and Tidal Energy 2020)
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. View Full-Text
Keywords: hybrid WEC; oscillating water column; overtopping device; physical modeling hybrid WEC; oscillating water column; overtopping device; physical modeling
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MDPI and ACS Style

Cabral, T.; Clemente, D.; Rosa-Santos, P.; Taveira-Pinto, F.; Morais, T.; Belga, F.; Cestaro, H. Performance Assessment of a Hybrid Wave Energy Converter Integrated into a Harbor Breakwater. Energies 2020, 13, 236. https://doi.org/10.3390/en13010236

AMA Style

Cabral T, Clemente D, Rosa-Santos P, Taveira-Pinto F, Morais T, Belga F, Cestaro H. Performance Assessment of a Hybrid Wave Energy Converter Integrated into a Harbor Breakwater. Energies. 2020; 13(1):236. https://doi.org/10.3390/en13010236

Chicago/Turabian Style

Cabral, Tomás; Clemente, Daniel; Rosa-Santos, Paulo; Taveira-Pinto, Francisco; Morais, Tiago; Belga, Filipe; Cestaro, Henrique. 2020. "Performance Assessment of a Hybrid Wave Energy Converter Integrated into a Harbor Breakwater" Energies 13, no. 1: 236. https://doi.org/10.3390/en13010236

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