Physical modelling of the effect on the wave field of the WaveCat wave energy converter

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dc.contributor.authorAllen, James
dc.contributor.authorIglesias, Gregorio
dc.contributor.authorGreaves, Deborah
dc.contributor.authorMiles, Jon
dc.contributor.funderMarie Curieen
dc.contributor.funderSeventh Framework Programmeen
dc.contributor.funderEuropean Commissionen
dc.contributor.funderSantander Universitiesen
dc.date.accessioned2022-04-22T13:22:18Z
dc.date.available2022-04-22T13:22:18Z
dc.date.issued2021-03
dc.date.updated2022-04-21T14:52:58Z
dc.description.abstractThe WaveCat is a moored Wave Energy Converter design which uses wave overtopping discharge into a variable v-shaped hull, to generate electricity through low head turbines. Physical model tests of WaveCat WEC were carried out to determine the device reflection, transmission, absorption and capture coefficients based on selected wave conditions. The model scale was 1:30, with hulls of 3 m in length, 0.4 m in height and a freeboard of 0.2 m. Wave gauges monitored the surface elevation at discrete points around the experimental area, and level sensors and flowmeters recorded the amount of water captured and released by the model. Random waves of significant wave height between 0.03 m and 0.12 m and peak wave periods of 0.91 s to 2.37 s at model scale were tested. The wedge angle of the device was set to 60 degrees. A reflection analysis was carried out using a revised three probe method and spectral analysis of the surface elevation to determine the incident, reflected and transmitted energy. The results show that the reflection coefficient is highest (0.79) at low significant wave height and low peak wave period, the transmission coefficient is highest (0.98) at low significant wave height and high peak wave period, and absorption coefficient is highest (0.78) when significant wave height is high and peak wave period is low. The model also shows the highest Capture Width Ratio (0.015) at wavelengths on the order of model length. The results have particular implications for wave energy conversion prediction potential using this design of device.en
dc.description.sponsorshipSantander Universities (Seed-Corn Research Scholarship); European Commission (Intelligent Community Energy-533 (ICE), INTERREG V FCE, Contract No. 5025)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid309en
dc.identifier.citationAllen, J., Iglesias, G., Greaves, D. and Miles, Jon (2021) 'Physical modelling of the effect on the wave field of the WaveCat wave energy converter', Journal Of Marine Science And Engineering, 9 (3), 309, (16pp). doi: 10.3390/jmse9030309en
dc.identifier.doi10.3390/jmse9030309en
dc.identifier.endpage16en
dc.identifier.issn2077-1312
dc.identifier.issued3en
dc.identifier.journaltitleJournal Of Marine Science And Engineeringen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/13110
dc.identifier.volume9en
dc.language.isoenen
dc.publisherMDPIen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP3::PEOPLE/618556/EU/Wave Farm Impacts and Design/WAVEIMPACTen
dc.rights© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectPhysical modellingen
dc.subjectWave energyen
dc.subjectOvertoppingen
dc.subjectWave fielden
dc.subjectWave energy converteren
dc.titlePhysical modelling of the effect on the wave field of the WaveCat wave energy converteren
dc.typeArticle (peer-reviewed)en
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