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1、船舶专业英语1TheNavalArchitect12Definitions,PrincipalDimensions53MerchantshipTypes124ShipDesign185GeneralArrangement226ShipLines277ShipEquilibrium,StabilityandTrim318EstimatingPowerRequirements369ShipMotions,Manoeuvrability4110TheFunctionofShipStructuralCompon
2、ents4411StructuralDesign,ShipStresses4812ClassificationSocieties5413Shipyard,Organization,Layout5914Planning,FromContracttoWorkingPlans6215LinesPlanandFairing,FabricationandAssembly6416LaunchingandOutfitting6817SeaTrials7018MarineEngines73LessonOneTheNav
3、alArchitectAnavalarchitectaskedtodesignashipmayreceivehisinstructionsinaformrangingfromsuchsimplerequirementsas“anoiltankertocarry100000tonsdeadweightat15knots”toafullydetailedspecificationofpreciselyplannedrequirements.Heisusuallyrequiredtoprepareadesig
4、nforavesselthatmustcarryacertainweightofcargo(ornumberofpassengers)ataspecifiedspeedwithparticularreferencetotraderequirement;high-densitycargoes,suchasmachinery,requirelittleholdcapacity,whilethereverseistrueforlow-densitycargoes,suchasgrain.Deadweighti
5、sdefinedasweightofcargoplusfuelandconsumablestores,andlightweightastheweightofthehull,includingmachineryandequipment.Thedesignermustchoosedimensionssuchthatthedisplacementofthevesselisequaltothesumofthedeadweightandthelightweighttonnages.Thefinenessofthe
6、hullmustbeappropriatetothespeed.Thedraft------whichisgovernedbyfreeboardrules------enablesthedepthtobedeterminedtoafirstapproximation.Afterselectingtentativevaluesoflength,breadth,depth,draft,anddisplacement,thedesignermustachieveaweightbalance.Hemustals
7、oselectamomentbalancebecausecentresofgravityinbothlongitudinalandverticaldirectionsmustprovidesatisfactorytrimandstability.Additionally,hemustestimatetheshafthorsepowerrequiredforthespecifiedspeed;thisdeterminestheweightofmachinery.Thestrengthofthehullmu
8、stbeadequatefortheserviceintended,detailedscantlings(framedimensionsandplatethicknesses)canbeobtainedfromtherulesoftheclassificationsociety.Thesescantingsdeterminetherequisiteweightofhullsteel.Thevesselshouldpossesssatisfa