半潛式鉆井平臺(tái)動(dòng)力定位推力系統(tǒng)理論設(shè)計(jì)及模型試驗(yàn)研究

1、上海交通大學(xué)碩士學(xué)位論文半潛式鉆井平臺(tái)動(dòng)力定位推力系統(tǒng)理論設(shè)計(jì)及模型試驗(yàn)研究姓名：周利申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：船舶與海洋結(jié)構(gòu)物設(shè)計(jì)制造指導(dǎo)教師：王磊20090201上海交通大學(xué)碩士學(xué)位論文ABSTRACTResearchondesignmodeltestofDPthrustsystemofsemisubmersibledrillingplatfmABSTRACTAsthedevelopmentofoilexplationinChinat

2、raditionalmoingsystemfshipoceanengineeringcouldnotmeetnewrequirementsofdrillingplatfm’snomaloperationinseaswhiledevelopingDPsystembecomeskeytechnologytosolvethisproblemduetoitsindepedenceondepthofwater.Thisthesisfocuseso

3、nsearchingfareasonablemethodofDPthrustsystemdesignmodeltestfadrillingplatfm.Theexternalloadsduetowindcurrentwavearecalculatedtheeticallymeasuredinmodeltestatscale1:50accdingtowhichDPthrustsystemisdesigned.Thenamodeltestf

4、thrustsystemdesignediscarriedontovalidatethemethodofdesigningDPthrustsystemfsemi.FurthermeamethodcalleddynamictimedomainsimulationisintroducedtosimulatetheperfmanceofdrillingplatfmwithDPthrustersystem.Inthethesisframeope

5、rationalprincipleofDPsystemarepresentedincludingpositionmeasuringsystemthrustsystemcontrolsystemsoon.IndertoacquiremeaccurateenvironmentalloadswhichareusedtodesignanalyseDPthrustsystemfdrillingplatfmtheexternalloadsonthe

6、platfmarecomputedintheygaugedinexperiment.Withtheconditionfmodeltestbeingtakenintoconsiderationamodeltestisdeveloped.TheresultsfromcalculationexperimentarecomparedtomakesurethatDPthrustsystemcouldproducethethrustasdesign

7、ed.BasedontheresultfromnumericalcalculationmodeltestamethodcalleddynamictimedomainsimulationisreferedtosimulatetheperfmanceofdrillingplatfmwithDPsystemunderdesignconditionSouthChinaSea1Yearcondition.Bythiswaythesecurityf