深潜器载人球壳规范设计公式的比较.pdf

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1、第15卷第3期2011年3月船舶力学JournalofShipMechanicsVoLl5No．3Mat．201lArticleID：1007—7294(2011)03—0276—10AComparisonofDifferentRulesfortheSphericalPressureHullofDeepMannedSubmersiblesPANBin—bin，CUIWei-cheng(ChinaShipScientificResearchCenter,Wuxi214082，China)Abstract：Abr

2、iefdescriptionofcurrentavailabledesignrulesforsphericalpressurehullofdeepmannedsubmersiblesisprovided．andthecommonfoundationoftheserulesisfoundtobeeithertheclassicalyieldingloadformulaorcriticalelasticbucklingloadformula．Thentheserulesareusedtocalculatethes

3、hellthicknessofthesphericalpressurehullsofseveralexistingsubmersibles．Thecalculationresultsarecomparedaftertheunificationofinputparametersof,alldesignrules．Accord-ingtothiscomparison，itisfoundthatthereissignificantdifferenceamongthecalculationresultsofthese

4、rulesandthedesignthicknesscalculatedbymostrulesismuchlargerthantheactualdesignthicknessofexistingpressurehulls．ThusitisappealedtobeurgentandnecessarytoupdateandU—nifycurrentdesignrules．Finally，theprocessofestablishingthenewdesignruleisproposed．Keywords：sphe

5、ricalpressurehull；mannedsubmersible；designrule；safetyCLCnumber：U662．1Documentcode：A1IntroductionOceanscovermorethan70％oftheearth．butmostofthemaleunexploited．Itistruethatoceansarestillshroudedinmystery，especiallythedarkdeep-sea．Asanimportantdeep-seasurveytoo

6、l，adeepmannedsubmersibleprovidesasafeoperationspaceforhumanbeingsindeep-seainvestigationanddevelopment．Themostcriticalcomponentofadeepmannedsub—mersibleisthemannedpressurehull．Itprovidesnotonlyasafelivingspaceforpilotsandscientistsbutalsoprovidesaproperwork

7、ingconditionfornon——pressure——resistingandnon-water-repellentequipments．Sothepressurehullshouldbedesignedtohaveenoughstrengthandwater-tightness．Atthesametime，theweightofthepressurehullshouldbeaslighta8possiblesinceitoccupiesalargepartoftheweightofthesubmers

8、ible．Asthemostcommon·lyusedpressurehulltype，sphericalpressurehullhasbeenusedinalltheexistingdeepmannedsubmersiblessuchasAlvinofUSA，NautileofFrance，RUS(Consul)ofRussia，Shinkai6500ofJapanandJiaolongofChi