A method for energy and resource assessment of waves in finite water depths

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dc.contributor.authorSheng, Wanan
dc.contributor.authorLi, Hui
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderUniversity College Corken
dc.contributor.funderNational Natural Science Foundation of Chinaen
dc.date.accessioned2017-05-10T11:20:18Z
dc.date.available2017-05-10T11:20:18Z
dc.date.issued2017-04-02
dc.date.updated2017-05-10T11:10:11Z
dc.description.abstractThis paper presents a new method for improving the assessment of energy and resources of waves in the cases of finite water depths in which the historical and some ongoing sea wave measurements are simply given in forms of scatter diagrams or the forms of (significant) wave heights and the relevant statistical wave periods, whilst the detailed spectrum information has been discarded, thus no longer available for the purpose of analysis. As a result of such simplified wave data, the assessment for embracing the effects of water depths on wave energy and resources becomes either difficult or inaccurate. In many practical cases, the effects of water depths are simply ignored because the formulas for deep-water waves are frequently employed. This simplification may cause large energy under-estimations for the sea waves in finite water depths. To improve the wave energy assessment for such much-simplified wave data, an approximate method is proposed for approximating the effect of water depth in this research, for which the wave energy period or the calculated peak period can be taken as the reference period for implementing the approximation. The examples for both theoretical and measured spectra show that the proposed method can significantly reduce the errors on wave energy assessment due to the approximations and inclusions of the effects of finite water depths.en
dc.description.sponsorshipScience Foundation Ireland (Grant No. 12/RC/2302); e National Natural Science Foundation of China (Grant No. 51409118)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid460
dc.identifier.citationSheng, W. and Li, H. (2017) 'A method for energy and resource assessment of waves in finite water depths', Energies, 10(4), 460 (17 pp). doi:10.3390/en10040460en
dc.identifier.doi10.3390/en10040460
dc.identifier.endpage17en
dc.identifier.issn1996-1073
dc.identifier.issued4en
dc.identifier.journaltitleEnergiesen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/3936
dc.identifier.volume10en
dc.language.isoenen
dc.publisherMDPIen
dc.rights© 2017, 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/)en
dc.subjectWave energyen
dc.subjectWave energy assessmenten
dc.subjectFinite water depthen
dc.subjectEnergy assessment methoden
dc.subjectWave energy resourcesen
dc.titleA method for energy and resource assessment of waves in finite water depthsen
dc.typeArticle (peer-reviewed)en
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