2010 Vol. 30, No. 6
Display Method:
2010, 30(6): 561-568.
doi: 10.11883/1001-1455(2010)06-0561-08
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Abstract:
Aninvestigationondynamicresponseofclampedsandwichbeamswithaluminumfoam coresandmonolithicbeamswasachievedbyusingaluminumfoamprojectileloading.LDVdeviceand Laserdisplacementtransducerwereappliedto measureimpactvelocityofprojectileanddeflectiontimehist...
Aninvestigationondynamicresponseofclampedsandwichbeamswithaluminumfoam coresandmonolithicbeamswasachievedbyusingaluminumfoamprojectileloading.LDVdeviceand Laserdisplacementtransducerwereappliedto measureimpactvelocityofprojectileanddeflectiontimehist...
2010, 30(6): 569-576.
doi: 10.11883/1001-1455(2010)06-0569-08
Abstract:
Thegenerationandflightoffragmentsarestochasticandcancausemoreseverehazards. Studyingonthedominoeffectstudycausedbythefragmentsfromexplosionishotspotanddifficulty. Basedondynamicanalysis,thepresentworkextendedthetwo-dimensionalfragmenttrajectoryequati...
Thegenerationandflightoffragmentsarestochasticandcancausemoreseverehazards. Studyingonthedominoeffectstudycausedbythefragmentsfromexplosionishotspotanddifficulty. Basedondynamicanalysis,thepresentworkextendedthetwo-dimensionalfragmenttrajectoryequati...
2010, 30(6): 577-582.
doi: 10.11883/1001-1455(2010)06-0577-06
Abstract:
Atheoryanalysisofmovementandstressstateofexplosionexpandingringhasbeencarried out.Theresultsshowthatone-dimensionalstresspresumemaybringoutthedepartureofvelocity andstressofring.Thedepartureofvelocityandstresshasbeenestimatedbytheoryanalysis.The stre...
Atheoryanalysisofmovementandstressstateofexplosionexpandingringhasbeencarried out.Theresultsshowthatone-dimensionalstresspresumemaybringoutthedepartureofvelocity andstressofring.Thedepartureofvelocityandstresshasbeenestimatedbytheoryanalysis.The stre...
2010, 30(6): 583-587.
doi: 10.11883/1001-1455(2010)06-0583-05
Abstract:
BasedonPKTangsopinionthatonlythehigh-pressuretermofJones-Wilkins-Leeequationofstate( JWLEOS)neededtobemodifiedwhenusedforoverdrivendetonation,themodified termoftheinternalenergyisentropiccurvewaspresentedandthemodifiedtermofthepressureisentropiccurve...
BasedonPKTangsopinionthatonlythehigh-pressuretermofJones-Wilkins-Leeequationofstate( JWLEOS)neededtobemodifiedwhenusedforoverdrivendetonation,themodified termoftheinternalenergyisentropiccurvewaspresentedandthemodifiedtermofthepressureisentropiccurve...
2010, 30(6): 588-592.
doi: 10.11883/1001-1455(2010)06-0588-05
Abstract:
Thedeflagrationtodetonationtransition(DDT)processesinstoichiometricthree-phasefuel/ airexplosives,whichincludenitromethane/aluminum powder/air,isopropylnitrate/aluminum powder/airandethylether/aluminumpowder/air,werestudiedexperimentallybyusingthemul...
Thedeflagrationtodetonationtransition(DDT)processesinstoichiometricthree-phasefuel/ airexplosives,whichincludenitromethane/aluminum powder/air,isopropylnitrate/aluminum powder/airandethylether/aluminumpowder/air,werestudiedexperimentallybyusingthemul...
2010, 30(6): 593-597.
doi: 10.11883/1001-1455(2010)06-0593-05
Abstract:
Therectangulardetonationflowfieldfilledwithhydrogen-airissimulatednumericallybased onmulticomponenttwo-dimensionalEulerequation,andeffectsofuniformincomingflowondetonationwavepropagationwerediscussed. Fromthenumericalresults,dependingontheflowvelocit...
Therectangulardetonationflowfieldfilledwithhydrogen-airissimulatednumericallybased onmulticomponenttwo-dimensionalEulerequation,andeffectsofuniformincomingflowondetonationwavepropagationwerediscussed. Fromthenumericalresults,dependingontheflowvelocit...
2010, 30(6): 598-606.
doi: 10.11883/1001-1455(2010)06-0598-09
Abstract:
Thebendingoftheprojectileintheprocessofhigh-speedpenetratingconcreteisstudiedby simplifyingtheprojectileasafree-freebeam.Thebending momentcausedbythetransverseload whichisgeneratedfromsmallangleofattackandpenetrationresistanceisanalyzedthroughtheoret...
Thebendingoftheprojectileintheprocessofhigh-speedpenetratingconcreteisstudiedby simplifyingtheprojectileasafree-freebeam.Thebending momentcausedbythetransverseload whichisgeneratedfromsmallangleofattackandpenetrationresistanceisanalyzedthroughtheoret...
2010, 30(6): 607-613.
doi: 10.11883/1001-1455(2010)06-0607-07
Abstract:
Thebasicprinciplesofchimneyblastingdemolitionwereintroduced.Aimedtothecollapsingprocessofchimneys, themechanicalmodelsweredevelopedtoderivethelargestrangesofchimneybendingmomentandshearstressbythemathematicalmethods. Andthecollapsingprocessesof chimn...
Thebasicprinciplesofchimneyblastingdemolitionwereintroduced.Aimedtothecollapsingprocessofchimneys, themechanicalmodelsweredevelopedtoderivethelargestrangesofchimneybendingmomentandshearstressbythemathematicalmethods. Andthecollapsingprocessesof chimn...
2010, 30(6): 614-621.
doi: 10.11883/1001-1455(2010)06-0614-08
Abstract:
Thethermoelasticcouplingstabilityoftheaxiallymovingbeamundertheactionofuniformlydistributedtangentialfollowerforceswasinvestig ted.Thedifferentialequationofmotionforthe axiallymovingbeamundertheactionofuniformlydistributedtangentialfollowerforceswase...
Thethermoelasticcouplingstabilityoftheaxiallymovingbeamundertheactionofuniformlydistributedtangentialfollowerforceswasinvestig ted.Thedifferentialequationofmotionforthe axiallymovingbeamundertheactionofuniformlydistributedtangentialfollowerforceswase...
2010, 30(6): 622-627.
doi: 10.11883/1001-1455(2010)06-0622-06
Abstract:
Accordingtothechaostheory,basedonavastamountofprimarydataofsmall-scalecompartmentfireexperiments, anewflashovercriterionwhichareindicatedbythetemperatureriserate areputforward.Bythetestedresultsoflarge-scalefires,thepracticalityofthecriterionisinitia...
Accordingtothechaostheory,basedonavastamountofprimarydataofsmall-scalecompartmentfireexperiments, anewflashovercriterionwhichareindicatedbythetemperatureriserate areputforward.Bythetestedresultsoflarge-scalefires,thepracticalityofthecriterionisinitia...
2010, 30(6): 628-632.
doi: 10.11883/1001-1455(2010)06-0628-05
Abstract:
Inallusiontolackresearchofrocketsledwater-brakehighspeedenteringintowater,the methodoffluid-solidcouplingwasusedtonumericallyresearch.Themodalitiesofwaterwerecalculatedsuchassupercavitation, uplist,spatterandpressure.Thevelocity,decelerationandresist...
Inallusiontolackresearchofrocketsledwater-brakehighspeedenteringintowater,the methodoffluid-solidcouplingwasusedtonumericallyresearch.Themodalitiesofwaterwerecalculatedsuchassupercavitation, uplist,spatterandpressure.Thevelocity,decelerationandresist...
2010, 30(6): 633-640.
doi: 10.11883/1001-1455(2010)06-0633-08
Abstract:
Accordingtothekinematicalmechanismcomplexityoftheimpactedpressurizedliquidcolumninthehighenergygasfracturingprocess, weassumesthatthecompletelycontactedgasliquidinterfaceexits. ThenbyusingaLagrangeanalyticalmethodforstudyingarandomliquidacross-sectio...
Accordingtothekinematicalmechanismcomplexityoftheimpactedpressurizedliquidcolumninthehighenergygasfracturingprocess, weassumesthatthecompletelycontactedgasliquidinterfaceexits. ThenbyusingaLagrangeanalyticalmethodforstudyingarandomliquidacross-sectio...
2010, 30(6): 641-646.
doi: 10.11883/1001-1455(2010)06-0641-06
Abstract:
Strainrateeffecttests,limitedstraintestsandcumulatedstraintestswereconductedona vanadium-basedalloy(V-5Cr-5Ti)respectivelybyusingasplit-Hopkinsonpressurebar(SHPB)systematroomtemperature. Theeffectsofstrainrateandstraincumulatingonthedynamiccompressiv...
Strainrateeffecttests,limitedstraintestsandcumulatedstraintestswereconductedona vanadium-basedalloy(V-5Cr-5Ti)respectivelybyusingasplit-Hopkinsonpressurebar(SHPB)systematroomtemperature. Theeffectsofstrainrateandstraincumulatingonthedynamiccompressiv...
2010, 30(6): 647-651.
doi: 10.11883/1001-1455(2010)06-0647-05
Abstract:
TheequationofstateofgasdetonationproductswasdescribedbyRosssmodificationof hard-spherevariationtheoryandtheimprovedone-fluidvanderWaalsmixturemodel.TheGibbsfree energyofdissociatedcarbonwascalculatedforthemostprobablestate,whichwasdeterminedbydisting...
TheequationofstateofgasdetonationproductswasdescribedbyRosssmodificationof hard-spherevariationtheoryandtheimprovedone-fluidvanderWaalsmixturemodel.TheGibbsfree energyofdissociatedcarbonwascalculatedforthemostprobablestate,whichwasdeterminedbydisting...
2010, 30(6): 652-657.
doi: 10.11883/1001-1455(2010)06-0652-06
Abstract:
Thedispersionofmetalparticlesbyexplosivewasinvestigatedexperimentallywithdifferent chargeformsofexplosiveand metalparticles:separationform (withandwithoutdispersant)and mixtureform.Theresultsshowthattheparticlesarepartlysinteredandarenotevendistribut...
Thedispersionofmetalparticlesbyexplosivewasinvestigatedexperimentallywithdifferent chargeformsofexplosiveand metalparticles:separationform (withandwithoutdispersant)and mixtureform.Theresultsshowthattheparticlesarepartlysinteredandarenotevendistribut...
2010, 30(6): 658-663.
doi: 10.11883/1001-1455(2010)06-0658-06
Abstract:
Toinvestigatethecaseoffragmentsdroppingandcombustionpropertychangingofbase bleedpropellantgrainresultingfromtheeffectofencroachmentanddesquamationcausedbythejetof ignition,thesemi-closedbombwasusedtosimulatethestageofrapiddepressurizationafterbase bl...
Toinvestigatethecaseoffragmentsdroppingandcombustionpropertychangingofbase bleedpropellantgrainresultingfromtheeffectofencroachmentanddesquamationcausedbythejetof ignition,thesemi-closedbombwasusedtosimulatethestageofrapiddepressurizationafterbase bl...
2010, 30(6): 664-668.
doi: 10.11883/1001-1455(2010)06-0664-05
Abstract:
Aseriesofexperimentswereconductedtoinvestigatethesynchronyofthemulti-pointring initiatorappliedtoashapedchargeandthepenetrationcapabilityoftheshapedchargeswiththemultipointringinitiatorsintoreinforcedconcr tetargets.Theoutputsynchronyofallpointsofthe...
Aseriesofexperimentswereconductedtoinvestigatethesynchronyofthemulti-pointring initiatorappliedtoashapedchargeandthepenetrationcapabilityoftheshapedchargeswiththemultipointringinitiatorsintoreinforcedconcr tetargets.Theoutputsynchronyofallpointsofthe...
2010, 30(6): 669-672.
doi: 10.11883/1001-1455(2010)06-0669-04
Abstract:
Theaggregationformationofa20-nm-sizenanometeraluminumoxideparticleissimulated bythefastcoagulationdynamicsinthecolloidtheory.Itsgrowthtimeis0.11s,thetimeisless than1.0swhichismaximumtimeofchemicalreactionofconventionaldetonation.Sothecalculationresul...
Theaggregationformationofa20-nm-sizenanometeraluminumoxideparticleissimulated bythefastcoagulationdynamicsinthecolloidtheory.Itsgrowthtimeis0.11s,thetimeisless than1.0swhichismaximumtimeofchemicalreactionofconventionaldetonation.Sothecalculationresul...
