Floating wave energy converters: wave measurement & analysis techniques

dc.check.embargoformatNot applicableen
dc.check.infoNo embargo requireden
dc.check.opt-outNot applicableen
dc.check.reasonNo embargo requireden
dc.check.typeNo Embargo Required
dc.contributor.advisorLewis, Anthonyen
dc.contributor.authorBarrett, Seán Noel
dc.contributor.funderMarine Instituteen
dc.contributor.funderHigher Education Authorityen
dc.date.accessioned2016-12-13T12:33:02Z
dc.date.available2016-12-13T12:33:02Z
dc.date.issued2015
dc.date.submitted2015
dc.description.abstractThe wave energy industry is entering a new phase of pre-commercial and commercial deployments of full-scale devices, so better understanding of seaway variability is critical to the successful operation of devices. The response of Wave Energy Converters to incident waves govern their operational performance and for many devices, this is highly dependent on spectral shape due to their resonant properties. Various methods of wave measurement are presented, along with analysis techniques and empirical models. Resource assessments, device performance predictions and monitoring of operational devices will often be based on summary statistics and assume a standard spectral shape such as Pierson-Moskowitz or JONSWAP. Furthermore, these are typically derived from the closest available wave data, frequently separated from the site on scales in the order of 1km. Therefore, variability of seaways from standard spectral shapes and spatial inconsistency between the measurement point and the device site will cause inaccuracies in the performance assessment. This thesis categorises time and frequency domain analysis techniques that can be used to identify changes in a sea state from record to record. Device specific issues such as dimensional scaling of sea states and power output are discussed along with potential differences that arise in estimated and actual output power of a WEC due to spectral shape variation. This is investigated using measured data from various phases of device development.en
dc.description.sponsorshipHigher Education Authority (National Development Plan 2007-2013); Marine Institute (Blue Power Initiative)en
dc.description.statusNot peer revieweden
dc.description.versionAccepted Version
dc.format.mimetypeapplication/pdfen
dc.identifier.citationBarrett, S .N, 2015. Floating wave energy converters: wave measurement & analysis techniques. PhD Thesis, University College Cork.en
dc.identifier.endpage231en
dc.identifier.urihttps://hdl.handle.net/10468/3372
dc.languageEnglishen
dc.language.isoenen
dc.publisherUniversity College Corken
dc.rights© 2015, Seán Noel Barrett.en
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/en
dc.subjectOcean energyen
dc.subjectWave energy converteren
dc.subjectWave measurementen
dc.subjectTime domain analysisen
dc.subjectFrequency domain analysisen
dc.thesis.opt-outfalse
dc.titleFloating wave energy converters: wave measurement & analysis techniquesen
dc.typeDoctoral thesisen
dc.type.qualificationlevelDoctoralen
dc.type.qualificationnamePHD (Engineering)en
ucc.workflow.supervisorczi@ucc.ie
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