Characteristic Aerodynamic Loads and Load Effects on the Dynamics of a Floating Vertical Axis Wind Turbine-中国Betway体育网页登陆

摘要 Thedevelopmentofoffshorewindfarmsindeepwaterfavorsfloatingwindturbinedesigns,butfloatinghorizontalaxiswindturbinesarefacingthechallengeofhighcostofenergy(CoE).ThedevelopmentofinnovativedesignstoreducetheCoEisthusdesirable,suchasfloatingverticalaxiswindturbines(VAWTs).Thisstudydemonstratesthecharacteristicsofaerodynamicloadsandloadeffectsofatwo-bladedfloatingVAWTsupportedbyasemi-submersibleplatform.Fullycoupledsimulationsareperformedusingthetime-domainaero-hydro-servo-elasticcodeSIMO-RIFLEX-AC.Itisfoundthatthrust,lateralforce,andaerodynamictorquevaryconsiderablyandperiodicallywiththerotorazimuthangle.However,thevariationinthegeneratortorquecanbealleviatedtosomeextentbythecontrolstrategyapplied.Moreover,thevariationsofplatformmotionsandtensionsinthemooringlinesarestronglyinfluencedbyturbulentwinds,whereasthoseoftower-basebendingmomentsarenot.Thetowerbasebendingmomentsexhibitnotabletwo-per-revolution(2P)responsecharacteristics.

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Characteristic Aerodynamic Loads and Load Effects on the Dynamics of a Floating Vertical Axis Wind Turbine

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