Energy conversion: a comparison of fix- and self-referenced wave energy converters

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dc.contributor.authorSheng, Wanan
dc.contributor.authorLewis, Tony
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2017-01-04T11:54:26Z
dc.date.available2017-01-04T11:54:26Z
dc.date.issued2016-12-15
dc.date.updated2017-01-04T11:46:50Z
dc.description.abstractThe paper presents an investigation of fix-referenced and self-referenced wave energy converters and a comparison of their corresponding wave energy conversion capacities from real seas. For conducting the comparisons, two popular wave energy converters, point absorber and oscillating water column, and their power conversion capacities in the fixed-referenced and self-referenced forms have been numerically studied and compared. In the numerical models, the deviceĆ¢ s power extractions from seas are maximized using the correspondingly optimized power take-offs in different sea states, thus their power conversion capacities can be calculated and compared. From the comparisons and analyses, it is shown that the energy conversion capacities of the self-referenced devices can be significantly increased if the motions of the device itself can be utilized for wave energy conversion; and the self-referenced devices can be possibly designed to be compliant in long waves, which could be a very beneficial factor for device survivability in the extreme wave conditions (normally long waves). In this regards, the self-referenced WECs (wave energy converters) may be better options in terms of wave energy conversion from the targeted waves in seas (frequently the most occurred), and in terms of the device survivability, especially in the extreme waves when compared to the fix-referenced counterparts.en
dc.description.sponsorshipScience Foundation Ireland (SFI under the SFI Centre for Marine and Renewable Energy Research (MaREI), Environment Research Institute, University College Cork, Ireland (Grant No.12/RC/2302)).en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationSheng, W. and Lewis, T. (2016) 'Energy Conversion: A Comparison of Fix- and Self-Referenced Wave Energy Converters', Energies, 9(12), 1056 (19pp). doi:10.3390/en9121056en
dc.identifier.doi10.3390/en9121056
dc.identifier.endpage1056-19en
dc.identifier.issn1996-1073
dc.identifier.issued12en
dc.identifier.journaltitleEnergiesen
dc.identifier.startpage1056-1en
dc.identifier.urihttps://hdl.handle.net/10468/3418
dc.identifier.volume9en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsĀ© 2016 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 (http://creativecommons.org/licenses/by/4.0/).en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectWave energy converteren
dc.subjectPower take-off optimizationen
dc.subjectWEC deploymenten
dc.subjectPoint absorberen
dc.subjectOscillating water columnen
dc.titleEnergy conversion: a comparison of fix- and self-referenced wave energy convertersen
dc.typeArticle (peer-reviewed)en
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