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dc.contributor.authorCheng, Zhengshun
dc.contributor.authorWang, Kai
dc.contributor.authorGao, Zhen
dc.contributor.authorMoan, Torgeir
dc.date.accessioned2015-12-17T15:18:18Z
dc.date.accessioned2016-06-03T09:25:55Z
dc.date.available2015-12-17T15:18:18Z
dc.date.available2016-06-03T09:25:55Z
dc.date.issued2015
dc.identifier.citationJournal of Ocean and Wind Energy 2015, 2(4):213-222nb_NO
dc.identifier.issn2310-3604
dc.identifier.urihttp://hdl.handle.net/11250/2391312
dc.description.abstractRecently, interest in the development of floating vertical axis wind turbines (FVAWTs) has been increasing, since FVAWTs might prove to be one of the optimal configurations in deep waters. In this study, a FVAWT with a 5 MW Darrieus rotor was used as the reference wind turbine and was mounted on three different floating support structures: the OC3 spar buoy, the OC4 semi-submersible, and a tension leg platform (TLP). Fully coupled nonlinear time domain simulations using the code SIMO-RIFLEX-DMS were conducted. A series of load cases with turbulent wind and irregular waves was carried out to investigate the dynamic responses of these three FVAWT concepts by estimating the generator power production, the platform motions, the tower base bending moments, and the mooring line loads. For the spar, semi-submersible, and TLP FVAWT concepts, twice-per-revolution (2P) effects resulting from the 2P aerodynamic loads are prominent in the dynamic responses of these concepts. Because of the compliant catenary mooring systems, the spar and the semi-submersible can help to mitigate the 2P effects on structural loads and mooring line tensions as compared to the TLP concept, at the cost of larger platform motions. The TLP is not a good substructure for a vertical axis wind turbine unless the cyclic variation of aerodynamic loads is significantly reduced.nb_NO
dc.language.isoengnb_NO
dc.publisherISOPE Publicationsnb_NO
dc.titleDynamic Response Analysis of Three Floating Wind Turbine Concepts with a Two-Bladed Darrieus Rotornb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.date.updated2015-12-17T15:18:18Z
dc.source.pagenumber213-222nb_NO
dc.source.volume2nb_NO
dc.source.journalJournal of Ocean and Wind Energynb_NO
dc.source.issue4nb_NO
dc.identifier.doi10.17736/jowe.2015.jcr33
dc.identifier.cristin1301870
dc.description.localcodeAuthor preprintnb_NO


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