24937.人工島基礎(chǔ)氣浮拖航運動性能試驗研究

1、天津大學碩士學位論文人工島基礎(chǔ)氣浮托航運動性能試驗研究姓名：張積樂申請學位級別：碩士專業(yè)：船舶與海洋工程指導教師：唐友剛201112ABSTRACTTheartificialislandfoundationismadeupofsixlargediametercylindersconnectingwithskirtboardsAerateatthebottom，andtheairsupportedfoundationcanbetowedo

2、ntheseaThetowageresistance，staticstabilityandmotionresponseofartificialislandfoundationindifferentwavearestudiedinthispaperConsideringdifferentdraft，waveparametersandtowingspeed，reasonablemodelisdesignedandavailableschem

3、eisformedtowageresistanceandmotionresponseofmodelismeasuredAccordingtosimilaritycriterion，towageresistanceandmotionresponseofprototypeisobtainedThemodelperiodofmotionismeasuredbyfreedampingtestOnthebasisofattenuationcurv

4、e，dampingisgotThefloatingconditionofthefoundationindifferentdraftisconsideredandairpressure，liquidsurfaceheightdifference，aircolumnheightandliquidcolumnheightarecalculatedForceanalysisismadewhenthesinglecylinderandmultic

5、ylinderfoundationareinheelingconditionTheconceptofairbuoyancyreductioncoefficientisintroducedThemetacentricheightandangleofinclinationmadebywindheelingmomentarecalculatedBasedontheafloatcondition，boRomoutletangleandcriti

6、calflatanglearecalculatedindifferentdraftThediffractionvelocitypotentialissolvedbywavepotentialtheoryandtheboundaryprogressivematchingmethodThroughprogramming，loadsandmotionresponseoftheartificialislandfoundationarecalcu

7、latedBymeansofmodeltestandcomputationalanalysis，thepropertyofresistanceandmotionofartificialislandfoundationduringfloatingtowingispredictedThesuitableenvironmentfortowingisgivenandthefeasibleanalysismethodforfloatingtowi