WU Yan-qing, HUANG Feng-lei, AI De-you. Experimentalstudyonlow-velocityimpactignitionforHMXgranularexplosives[J]. Explosion And Shock Waves, 2011, 31(6): 592-599. doi: 10.11883/1001-1455(2011)06-0592-08
Citation: WU Yan-qing, HUANG Feng-lei, AI De-you. Experimentalstudyonlow-velocityimpactignition forHMXgranularexplosives[J]. Explosion And Shock Waves, 2011, 31(6): 592-599. doi: 10.11883/1001-1455(2011)06-0592-08

Experimentalstudyonlow-velocityimpactignition forHMXgranularexplosives

doi: 10.11883/1001-1455(2011)06-0592-08
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NationalNaturalScienceFoundationofChina(10832003,10902016)

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  • Corresponding author: WU Yan-qing
  • Publish Date: 2011-11-25
  • Opticalmeasurementcomponentsweredesignedandmachinedtobeequippedintheconventionaldrop- weightsystem.Basedontheimproveddrop-weightsystem,theresponseprocessesofdifferent- massHMXparticlesimpactedbythedifferentfalling-heightweightdropswererecordedbya high-speedcameraonthemicrosecondtimescale.Theprocessesconsistedofthefollowingphenomena: explosiveparticledeformation,melting,ignition,combustionandexplosion.Andaseriesofanalysiswerecarriedoutfortheinfluencesofdrop- weightfallingheightandexplosiveincompactness degreeonexplosiveparticledeformation,ignitiondurationandcombustionintensity.Investigatedresultsshowthatthehigherthefallingheightofthedropweight, thelongerthedurationoftheplastic deformation,theignitionoftheexplosiveinsteadoftheinjectionisapttooccur;thatthelowerfalling heightofthedropweighttendstoinducetheexplosivetointensivelyjetratherthanbeignited;that thehighertheincompactnessdegreeoftheexplosive,theshorterthedurationoftheplasticdeformation, multiplehotspotsareeasiertoformandcoalescewhichleadstohighcombustionprobability.
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