Assessment of primary energy conversion of a closed-circuit OWC wave energy converter

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dc.contributor.authorBenreguig, Pierre
dc.contributor.authorPakrashi, Vikram
dc.contributor.authorMurphy, Jimmy
dc.contributor.funderHorizon 2020en
dc.date.accessioned2019-11-26T05:59:45Z
dc.date.available2019-11-26T05:59:45Z
dc.date.issued2019-05-22
dc.description.abstractTupperwave is a wave energy device based on the Oscillating-Water-Column (OWC) concept. Unlike a conventional OWC, which creates a bidirectional air flow across the self-rectifying turbine, the Tupperwave device uses rectifying valves to create a smooth unidirectional air flow, which is harnessed by a unidirectional turbine. This paper deals with the development and validation of time-domain numerical models from wave to pneumatic power for the Tupperwave device and the conventional OWC device using the same floating spar buoy structure. The numerical models are built using coupled hydrodynamic and thermodynamic equations. The isentropic assumption is used to describe the thermodynamic processes. A tank testing campaign of the two devices at 1/24th scale is described, and the results are used to validate the numerical models. The capacity of the innovative Tupperwave OWC concept to convert wave energy into useful pneumatic energy to the turbine is assessed and compared to the corresponding conventional OWC.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid1962en
dc.identifier.citationBenreguig, P., Pakrashi, V. and Murphy, J., 2019. Assessment of Primary Energy Conversion of a Closed-Circuit OWC Wave Energy Converter. Energies, 12(10), 1962. (24 pp.). DOI:10.3390/en12101962en
dc.identifier.doi10.3390/en12101962en
dc.identifier.eissn1996-1073
dc.identifier.endpage24en
dc.identifier.issn1996-1073
dc.identifier.issued10en
dc.identifier.journaltitleEnergiesen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/9238
dc.identifier.volume12en
dc.language.isoenen
dc.publisherMDPI AGen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::ERA-NET-Cofund/731200/EU/Ocean Energy ERA-NET Cofund/OCEANERA-NET COFUND
dc.relation.urihttps://www.mdpi.com/1996-1073/12/10/1962
dc.rights© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attributionen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectWave energyen
dc.subjectOscillating water columnen
dc.subjectTank testingen
dc.subjectValvesen
dc.subjectAir compressibilityen
dc.titleAssessment of primary energy conversion of a closed-circuit OWC wave energy converteren
dc.typeArticle (peer-reviewed)en
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