OC5 Project Phase II: Validation of Global Loads of the DeepCwind Floating Semisubmersible Wind Turbine: Validation of Global Loads of the DeepCwind Floating Semisubmersible Wind Turbine

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dc.contributor.authorRobertson, Amy N.
dc.contributor.authorWendt, Fabian
dc.contributor.authorJonkman, Jason M.
dc.contributor.authorPopko, Wojciech
dc.contributor.authorDagher, Habib
dc.contributor.authorGueydon, Sebastien
dc.contributor.authorQvist, Jacob
dc.contributor.authorVittori, Felipe
dc.contributor.authorAzcona, José
dc.contributor.authorUzunoglu, Emre
dc.contributor.authorSoares, Carlos Guedes
dc.contributor.authorHarries, Rob
dc.contributor.authorYde, Anders
dc.contributor.authorGalinos, Christos
dc.contributor.authorHermans, Koen
dc.contributor.authorde Vaal, Jacobus Bernardus
dc.contributor.authorBozonnet, Pauline
dc.contributor.authorBouy, Ludovic
dc.contributor.authorBayati, Ilmas
dc.contributor.authorBergua, Roger
dc.contributor.authorGalvan, Josean
dc.contributor.authorMendikoa, Iñigo
dc.contributor.authorSanchez, Carlos Barrera
dc.contributor.authorShin, Hyunkyoung
dc.contributor.authorOh, Sho
dc.contributor.authorMolins, Climent
dc.contributor.authorDebruyne, Yannick
dc.contributor.institutionRENOVABLES OFFSHORE
dc.date.issued2017-10
dc.descriptionPublisher Copyright: © 2017 The Author(s).
dc.description.abstractThis paper summarizes the findings from Phase II of the Offshore Code Comparison, Collaboration, Continued, with Correlation project. The project is run under the International Energy Agency Wind Research Task 30, and is focused on validating the tools used for modeling offshore wind systems through the comparison of simulated responses of select system designs to physical test data. Validation activities such as these lead to improvement of offshore wind modeling tools, which will enable the development of more innovative and cost-effective offshore wind designs. For Phase II of the project, numerical models of the DeepCwind floating semisubmersible wind system were validated using measurement data from a 1/50th-scale validation campaign performed at the Maritime Research Institute Netherlands offshore wave basin. Validation of the models was performed by comparing the calculated ultimate and fatigue loads for eight different wave-only and combined wind/wave test cases against the measured data, after calibration was performed using free-decay, wind-only, and wave-only tests. The results show a decent estimation of both the ultimate and fatigue loads for the simulated results, but with a fairly consistent underestimation in the tower and upwind mooring line loads that can be attributed to an underestimation of waveexcitation forces outside the linear wave-excitation region, and the presence of broadband frequency excitation in the experimental measurements from wind. Participant results showed varied agreement with the experimental measurements based on the modeling approach used. Modeling attributes that enabled better agreement included: the use of a dynamic mooring model; wave stretching, or some other hydrodynamic modeling approach that excites frequencies outside the linear wave region; nonlinear wave kinematics models; and unsteady aerodynamics models. Also, it was observed that a Morison-only hydrodynamic modeling approach could create excessive pitch excitation and resulting tower loads in some frequency bands.en
dc.description.statusPeer reviewed
dc.format.extent20
dc.format.extent4302592
dc.identifier.citationRobertson , A N , Wendt , F , Jonkman , J M , Popko , W , Dagher , H , Gueydon , S , Qvist , J , Vittori , F , Azcona , J , Uzunoglu , E , Soares , C G , Harries , R , Yde , A , Galinos , C , Hermans , K , de Vaal , J B , Bozonnet , P , Bouy , L , Bayati , I , Bergua , R , Galvan , J , Mendikoa , I , Sanchez , C B , Shin , H , Oh , S , Molins , C & Debruyne , Y 2017 , ' OC5 Project Phase II: Validation of Global Loads of the DeepCwind Floating Semisubmersible Wind Turbine : Validation of Global Loads of the DeepCwind Floating Semisubmersible Wind Turbine ' , Energy Procedia , vol. 137 , pp. 38-57 . https://doi.org/10.1016/j.egypro.2017.10.333
dc.identifier.doi10.1016/j.egypro.2017.10.333
dc.identifier.issn1876-6102
dc.identifier.otherresearchoutputwizard: 11556/508
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=85032000037&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofEnergy Procedia
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject.keywordsFloating offshore wind turbine
dc.subject.keywordsDeepCwind semisubmersible
dc.subject.keywordsNumerical modeling
dc.subject.keywordsVerifcation
dc.subject.keywordsValidation
dc.subject.keywordsIEA Wind
dc.subject.keywordsFloating offshore wind turbine
dc.subject.keywordsDeepCwind semisubmersible
dc.subject.keywordsNumerical modeling
dc.subject.keywordsVerifcation
dc.subject.keywordsValidation
dc.subject.keywordsIEA Wind
dc.subject.keywordsGeneral Energy
dc.subject.keywordsSDG 7 - Affordable and Clean Energy
dc.subject.keywordsFunding Info
dc.subject.keywordsThis work was supported by the U.S. Department of Energy under Contract No. DEAC36-_x000D_ 08GO28308 with the National Renewable Energy Laboratory. Some of the_x000D_ funding for the work was provided by the DOE Office of Energy Efficiency and_x000D_ Renewable Energy, Wind and Water Power Technologies Office.
dc.subject.keywordsThis work was supported by the U.S. Department of Energy under Contract No. DEAC36-_x000D_ 08GO28308 with the National Renewable Energy Laboratory. Some of the_x000D_ funding for the work was provided by the DOE Office of Energy Efficiency and_x000D_ Renewable Energy, Wind and Water Power Technologies Office.
dc.titleOC5 Project Phase II: Validation of Global Loads of the DeepCwind Floating Semisubmersible Wind Turbine: Validation of Global Loads of the DeepCwind Floating Semisubmersible Wind Turbineen
dc.typeconference output
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