Power capture performance of hybrid wave farms combining different wave energy conversion technologies: The H-factor

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dc.contributor.author Zheng, Siming
dc.contributor.author Zhang, Yongliang
dc.contributor.author Iglesias, Gregorio
dc.date.accessioned 2020-05-25T10:30:53Z
dc.date.available 2020-05-25T10:30:53Z
dc.date.issued 2020-05-24
dc.identifier.citation Zheng, S., Zhang, Y. and Iglesias, G. (2020) ‘Power capture performance of hybrid wave farms combining different wave energy conversion technologies: The H-factor’, Energy. doi: 10.1016/j.energy.2020.117920 en
dc.identifier.issn 0360-5442
dc.identifier.uri http://hdl.handle.net/10468/10029
dc.identifier.doi 10.1016/j.energy.2020.117920 en
dc.description.abstract In this paper we consider hybrid wave farms, in which different types of WEC are combined, through a case study involving oscillating water columns (OWCs) and point-absorbers (PAs). A new parameter, called “H-factor”, is introduced to compare hybrid (multi-type) and conventional (single-type) wave farms in terms of wave power capture. We develop an ad hoc semi-analytical model to calculate the H-factor in a computationally efficient manner, and apply it to investigate how the H-factor and, consequently, the power capture, depend on: (i) the spacing and layout of the WECs, (ii) the type of WEC technology, and (iii) the wave conditions. We discuss the influence of these factors and, in the process, show that the H-factor is a valuable decision-aid tool. For specified wave conditions and layout limitations, a conventional wave farm may not be the most efficient option as a result of a destructive array effect, whereas a hybrid farm can be more efficient if a constructive hybrid effect occurs (if the H-factor value is above unity). This constructive hybrid effect can even overcome the destructive array effect for specified cases, demonstrating the potential advantage of hybrid wave farms relative to conventional wave farms. en
dc.description.sponsorship European Commission (Intelligent Community Energy (ICE), INTERREG V FCE Contract No. 5025); China Postdoctoral Science Foundation (Grant No. 2016M601041; 2017T100085); National Natural Science Foundation of China (51679124; 51879144) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Elsevier Ltd. en
dc.rights © 2020, Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 license. en
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/ en
dc.subject Oscillating water column en
dc.subject Point-absorber en
dc.subject Capture width factor en
dc.subject Wave energy en
dc.subject Wave power en
dc.subject Wave farm en
dc.title Power capture performance of hybrid wave farms combining different wave energy conversion technologies: The H-factor en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Jose Gregorio Iglesias Rodriguez, Engineering, University College Cork, Cork, Ireland. +353-21-490-3000 Email: gregorio.iglesias@ucc.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 24 months after publication by request of the publisher. en
dc.check.date 2022-05-24
dc.description.version Accepted Version en
dc.contributor.funder European Commission en
dc.contributor.funder China Postdoctoral Science Foundation en
dc.contributor.funder National Natural Science Foundation of China en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Energy en
dc.internal.IRISemailaddress gregorio.iglesias@ucc.ie en
dc.internal.bibliocheck In press. Check vol. / issue / page range. Amend citation accordingly. en
dc.identifier.eissn 1873-6785


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© 2020, Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 license. Except where otherwise noted, this item's license is described as © 2020, Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 license.
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