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1、1.IntroductionGoodafternoon,Ladiesandgentlemen.Iamhonoredtohavebeeninvitedtospeakatthisconference.IamaPhDstudentfromXXXandcurrentlydoingsomeresearchonInstrumentScienceandTechnology.Today,mytopicisConceptualDesignofanEvaluationDeviceforPowerTestofExplosiv
2、es.Thecontentofthispresentationisdividedinto4parts:insection1,IwillintroducetheResearchStatusQuoofsomeexistingmethodsforpowertestatHomeandAbroad;insection2,Iwillgivetheoveralldesignandtestingprincipleofthedevice;themathematicalmodelandsimulationresultswi
3、llbeshowedinsection3;andfinally,Iwillmakeaconclusion.Beforeenteringthetheme,let'slookatwhatisthepowerofexplosives.Thesumofmechanicalworktosurroundingmediumbyexplosioniscalledpowerofexplosives,whichreflectstheabilityoftheexpandinggasproducedbyexplosionand
4、isalsoanimportantindicatorforevaluatingtheperformanceofexplosives.2.BodySection1:ResearchStatusQuoatHomeandAbroadThesearesomeexistingmethodsforpowertestofexplosives：1)lead-castmethod2)blastingfunnelmethod3)ballisticmortarmethod4)underwaterexplosionmethod
5、5)ballisticprojectilemethodLet’slookattheadvantagesanddisadvantagesoftwotypicalmethodsforpowertest.Thelead-castmethodisthefirststandardmethodintheworld.Itiseasytooperateanddoesnotrequirespecializedtestequipment.However,thelittletestquantityofexplosives,t
6、hephysicalpropertiesaswellasdifferentmanufacturingprocessesoflead-castresultinalargerexperimentalerror.Inaddition,thelead-castisdisposableandhighcost,thereforetheinternationalcommunityadoptstheunderwaterexplosionmethodaswell.Thismethodcannotonlytestlarge
7、quantityofexplosives,butalsohasagoodreproducibilityofexperimentaldata.However,thetestsystemofunderwaterexplosionrequireslargeinitialinvestment,complexexperiment,hightestcostandprofessionaltesters.Therefore,itisnecessarytoestablishasimple,reliableandaccur
8、atepowertestmethod.Thesimpleandpracticalevaluationdeviceintroducedinthispresentationcanrealizetheaccurateandreliablemeasurementonpowertestofexplosives.Section2:DesignofDeviceforPowerTestofExplosivesHereyoucanseeafigurewhic
