Chapter K Luggage Container Subject to Internal Explosion

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1、KLuggageContainerSubjecttoInternalExplosionK.1IntroductionTheFederalAviationAdministration(FAA)oftheUnitedStateshasdeter-minedexperimentallytheexplosiveloadingonaluggagecontainerresultingfromabombdetonatedintheluggage.Testswerebasedonaluggagecon-tainer50%and75%fullofl

2、uggage.Theeffectsofventingwereconsidered.Thepressuregeneratedwithinaluggagecontainerwasdeterminedasiftheenvironmentwassimilartoanisotropic,porousandabsorptivemediawhichattenuatestheinitialshockwaveproducedbytheblastandreducesthequasi-staticpressure.Theworstcasewouldbew

3、hentheexplosivedetonatedinsideanemptycontainer.Howeveritwasfoundtheblastattenuationwouldoccurwhenthecontainerwithfullluggagehasanexplosivedevicelocatedatthecentreofthecontainer.Theoverpressuretimerelationswereobtainedtobeusedfortheanalysisofsuchcontainers.InadditionGa

4、laxyScientificCor-porationcarriedoutresearchonthestructuralresponseandblastloadingmodelsoftheluggagecontainer.ThecontainerwithstoodthedetonationofabomblargerthanwhichcausedthelossofPANAMERICANFlight103overLockerbie,Scotland1988.Thetestwastoincreasetheexplosiveresistanc

5、eoftheluggagecontainer,whicharenormallylocatedwithinthecargobaysofwide-bodytransportcategoryofaircraft.Aluminiumalloysheets2024-TSlaminatedwithlayersoffibreglassepoxyprepreg.ShockPressure–timeandquasi-staticpressure–timerelationswereobtainedfortheanalyticalanddesignsol

6、utionsofsuchacasestudy.Inthistextdatafromthesetestshavebeenusedtoanalyseacontainerandfinallypresentedwithsolutions.K.2DataOnLuggageContainerDimensions:1.54×1.44×1.475m(L×W×H)Skin=50mmsupportedby2No.StiffenersW24×229weldedtoitsexteriorinx-directionforonestiffeneranddeepwe

7、ldediny-direction.1178KLuggageContainerSubjecttoInternalExplosion1062.5412.5412.57515401440Fig.K.1.Typicalluggagecontainer.Note:AlldimensionsareinmmDoor=50mmthickM.S.boltedonto100mmflangeswith58No.30mmboltsAreferenceismadetoFig.K.1fortheluggagecontainer.Staticinternal

8、pressure=5.52MNm−2(5.5Nmm−2)−2−2FAAdataprovidedQuasi-staticpressure=2.76MNm(2.76Nmm)Thequasi-staticpressure-timerelationsiss