LPG船圓柱型壓力艙在單側(cè)火焰下的熱響應(yīng)及應(yīng)力研究.pdf

1、N1037639學(xué)位論文LPG船圓柱型壓力艙在單側(cè)火焰下的熱響應(yīng)及應(yīng)力研究王彬彬指導(dǎo)教師吳宛青教授申請學(xué)位級別工學(xué)碩士專業(yè)名稱輪機工程學(xué)位授予單位大連海事大學(xué)2007年3月英冀摘霧T虹eHeatResponds＆StrainStudy0I!ThePress餅edCoIumnTankUnder0neSideFlameAbstractWiththeconstantinacasoof峨consumptionofliquefiedgas水s趕窶

2、攀群峨翻volumeisincreasingby霉largemarginandthecorrespondingaccidents瓣constantlyrisingtoo。豫carriersofliquefied秘havea辯《ofhiddenrisksofaccidentwhiletheyloadandunload&eargoatportandduringmarinetransportadortmainlycaused塒iowtcmpc

3、ramm，fi揪ieandexplosivecharacteristicsoftheliquefiedgas。Thisdissertatianisthesubsystemof越skAssessmentofLiquefiedGasCarrieranditskeycontents霧udiesthethermalresponseofLPC遙LiqueficdpetrolenmCas)Umk∞嚶酬toonesidefire聯(lián)rstthesafe

4、嚯yofaworkpi躥eisrelatedtos慨itbeamanditstemperatureSOisthetankoft繁GvesselTcmpcraure彝囂聰distributionandstressfield攢stribufionofLPGvesselarecalculatedinorder協(xié)estimateitssafetystatusAstothecalculationofthetemperaturefie“distri

5、buti011，theheattransfermodelofLPGvesselunderflamesurroundings：lsset強斑薅thentheheattrans赫botmdmyconditions瓣氆咚vmselal“edet攢mined黼∞蛹鼗鏊tothe疑attransfertheoryandtheheat赫angeboundaryconditionsofLPGvesseliscalculated，finallythet

6、omporatur囂fielddistributionofthismodeliscalculatedandanal鬻edbyANSYSsoftwareWithregardtostresscalculationofLPGvessel，thestxegsofLPGvesseliseaBsedmainlybythermal劃bfegsandmechanicalstressInordertomakeclem“theinfluenceoftwok

7、indsofs耄潞tothetotals靛ess。oquivalent疆鞴雹嗽瓣g睫。毫sofLPGvessel嘲囂onlytempc豳eloadandi然equivalentmechanicalsacssunderonlyinnerwallstressarecalculatedandanal粥cdthenitsequivalenttotalstressisca1culatcd，analyzedandcompared。Secondthe