24937.人工島基礎(chǔ)氣浮拖航運(yùn)動(dòng)性能試驗(yàn)研究

1、天津大學(xué)碩士學(xué)位論文人工島基礎(chǔ)氣浮托航運(yùn)動(dòng)性能試驗(yàn)研究姓名：張積樂(lè)申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：船舶與海洋工程指導(dǎo)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