Aframax油船自航性能的数值和试验研究（英文）-豆柴文库

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Aframax油船自航性能的数值和试验研究（英文）
Title:NumericalandExperimentalInvestigationoftheSeakeepingPerformanceofanAframaxOilTanker
Introduction:
TheAframaxtankerisapopulartypeofoiltankerwithadeadweightcapacityofupto120,000metrictons.Thesevesselsarecommonlyusedfortransportationofcrudeoilandotherpetroleumproducts.Astheseshipsareoftenrequiredtosailinharshweatherconditions,ensuringgoodseakeepingperformanceiscrucialtomaintainingsafeandefficientoperations.ThispaperpresentsastudyoftheseakeepingperformanceofanAframaxtanker,usingnumericalsimulationsandexperimentaltests.
NumericalSimulation:
ComputationalFluidDynamics(CFD)simulationswerecarriedoutusingANSYSFluentsoftwaretoevaluatetheship’sseakeepingperformance.A3DmeshwascreatedfortheAframaxtanker,withabout2.5millioncells.Thesimulationwascarriedoutwiththeshiptravellingataspeedof14knots,inregularwaveswithawavelengthof200mandasignificantwaveheightof4m.Thesimulationswerecarriedoutforarangeofwaveheadingsandwaveheights.
TheresultsofthenumericalsimulationsshowedthattheAframaxtankerhadgoodseakeepingperformance,withlowaddedresistanceandheaveandpitchresponseamplitudes.Thepitchresponseamplitudewasfoundtobeparticularlysensitivetowavedirection,withhighervaluesobservedforheadseasandlowervaluesforfollowingseas.Thesimulationsalsohighlightedtheimportanceofwave-inducedloadsonthetanker’shull,whichgovernthestructuralresponseofthevesselinharshweatherconditions.
ExperimentalTests:
PhysicalmodeltestswerecarriedoutattheMARINresearchfacilityintheNetherlandstovalidatethenumericalsimulationsandobtainmoredetailedinformationontheship’sseakeepingbehavior.Theexperimentaltestswerecarriedoutona1:36scalemodeloftheAframaxtanker,inthesamewaveconditionsasthenumericalsimulations.Themodeltestswerecarriedoutforarangeofwaveheadingsandwaveheights.
Theexperimentalresultsshowedgoodagreementwiththenumericalsimulations,validatingtheaccuracyoftheCFDmodelused.Themodeltestsalsoprovidedadditionalinformationontheship’sseakeepingperformance,includingtheeffectofhullformonwave-inducedloadsandm