偏航工况对海上浮式风力机输出功率及叶片载荷影响的研究-豆柴文库

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偏航工况对海上浮式风力机输出功率及叶片载荷影响的研究
Title:StudyontheInfluenceofOffshoreFloatingWindTurbineOperationConditionsonPowerOutputandBladeLoads
Abstract:
Floatingwindturbineshaveemergedasapromisingtechnologyforharnessingwindenergyindeepwaters.However,theirperformanceandstructuralresponsesareaffectedbytheoperatingconditions,includingyawmisalignment.Thisstudyaimstoinvestigatetheimpactofyawmisalignmentonthepoweroutputandbladeloadsofoffshorefloatingwindturbines.Numericalsimulationsandanalysisofoperationaldataareconductedtogaininsightsintothebehaviorofthisrenewableenergysource.Thefindingsofthisstudywillhelpoptimizethedesignandoperationoffloatingwindturbinesforimprovedperformanceandreliability.
1.Introduction:
Floatingwindturbinesareincreasinglydeployedinoffshoreenvironmentsduetotheirabilitytocapturewindenergyindeepwaters.However,thesefloatingstructuresaresubjectedtovariousoperationconditions,includingyawmisalignment,whichcanhaveasignificantimpactontheirpowergenerationcapacityandstructuralintegrity.Thispaperaimstoexploretheeffectsofyawmisalignmentonthepoweroutputandbladeloadsofoffshorefloatingwindturbines,providingvaluableinformationforimprovingtheirdesignandperformance.
2.WindTurbineOperationConditions:
2.1YawControl:
Yawmisalignmentoccurswhenthewinddirectiondoesnotalignwiththeturbineaxis.Yawcontrolsystemsareimplementedtoaligntherotorwiththewinddirectionformaximumpowergeneration.
2.2BladePitchControl:
Bladepitchcontrolisusedtoadjusttheanglesofattackoftherotorbladestooptimizepowergenerationandreducetheloadsontheturbine.
3.Methodology:
3.1NumericalSimulation:
ComputationalFluidDynamics(CFD)simulationsarecarriedouttoanalyzetheflowfieldaroundtheturbineandevaluatetheeffectsofyawmisalignmentonpoweroutputandbladeloads.Thesimulationmodelisvalidatedagainstexperimentaldatatoensureaccuracy.
3.2LoadAnalysis:
Theloadsontheturbinebladesunderdifferentyawmisalignmentanglesareassessedusingthefiniteelementmethod.Thebendingmoments,shearforces,andaxialforcesareanalyzedtounderstandthestructuralresponses.
4.R