Effects of tidal range on mooring systems of wave energy converters

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dc.contributor.authorMurphy, Stephen
dc.contributor.authorBhinder, Majid A.
dc.contributor.authorCasaubieilh, Pierre
dc.contributor.authorSheng, Wanan
dc.date.accessioned2016-06-28T15:49:11Z
dc.date.available2016-06-28T15:49:11Z
dc.date.issued2015-09
dc.date.updated2016-06-27T15:23:49Z
dc.description.abstractWave energy converters are currently proposed to be deployed near coastal area for the closeness to the infrastructure and for ease of maintenance in order to reduce operational costs. The motivation behind this work is the fact that the deployment depths during the highest and lowest tides will have a significant effect on the mooring system of WECs. In this paper, the issue will be investigated by numerical modelling (using ANSYS AQWA) for both catenary and taut moorings to examine the performance of the mooring system in varying tides. The case study being considered is the ¼- scale wave energy test site in Galway Bay off the west coast of Ireland where some marine renewable energy devices can be tested. In this test site, the tidal range is macro-tidal with a range of approximately 6 m which is a large value relative to the water depth. In the numerical analysis, ANSYS AQWA suite has been used to simulate moored devices under wave excitation at varying tidal ranges. Results show that the highest tide will give rise to larger forces. While at lower depths, slackening of the mooring occurs. Therefore, the mooring lines must be designed to accommodate both situations.en
dc.description.statusPeer revieweden
dc.description.urihttp://www.ewtec.org/conferences/ewtec-2015/en
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationMurphy, S., Bhinder, M. A., Casaubieilh, P. and Sheng, W. (2015) 'Effects of tidal range on mooring systems of wave energy converters', 11th European Wave and Tidal Energy Conference (EWTEC), Nantes, France, 6-11 September.en
dc.identifier.urihttps://hdl.handle.net/10468/2805
dc.language.isoenen
dc.publisherEWTECen
dc.relation.ispartof11th European Wave and Tidal Energy Conference (EWTEC)
dc.relation.urihttp://www.ewtec.org/proceedings/
dc.rights© 2015 EWTECen
dc.subjectMooringen
dc.subjectTidal rangeen
dc.subjectWave energy convertersen
dc.subjectANSYS AQWAen
dc.subjectGalway Bayen
dc.titleEffects of tidal range on mooring systems of wave energy convertersen
dc.typeConference itemen
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