Experimentalstudyonemulsionexplosivescharged

intothecurvedgrooveinanironplate

ZHANG Yu-lei; NI Ou-qi; HOU Kuang-yi; LI Bin; ZHU Ying-zhong; HAN Zhi-we

doi:10.11883/1001-1455(2012)02-0216-05

Volume 32 Issue 2

May 2014

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Article Navigation > Explosion And Shock Waves > 2012 > 32(2): 216-220

ZHANG Yu-lei, NI Ou-qi, HOU Kuang-yi, LI Bin, ZHU Ying-zhong, HAN Zhi-we. Experimentalstudyonemulsionexplosiveschargedintothecurvedgrooveinanironplate[J]. Explosion And Shock Waves, 2012, 32(2): 216-220. doi: 10.11883/1001-1455(2012)02-0216-05

Citation:

ZHANG Yu-lei, NI Ou-qi, HOU Kuang-yi, LI Bin, ZHU Ying-zhong, HAN Zhi-we. Experimentalstudyonemulsionexplosivescharged intothecurvedgrooveinanironplate[J]. Explosion And Shock Waves, 2012, 32(2): 216-220. doi: 10.11883/1001-1455(2012)02-0216-05

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Experimentalstudyonemulsionexplosivescharged intothecurvedgrooveinanironplate

doi: 10.11883/1001-1455(2012)02-0216-05

1.
SchoolofChemicalEngineering,NanjingUniversityofScienceandTechnology,
2.
Nanjing 210094,Jiangsu,China;

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Corresponding author: NI Ou-qi
Publish Date: 2012-03-25

Abstract

Abstract

Theemulsionexplosiveswerechargedintothecurvedgroovemachinedonanironplate. Thedetonationvelocitiesoftheemulsionexplosivesweremeasuredbyusingtheshortingpinsinthe casesofdifferentchargecross-sectionalareasanddifferentchargecurvatures.Andtheinfluencesof thechargediametersandthechargecurvaturesonthedetonationpropagationvelocitiesintheemulsionexplosiveswereanalyzed. Itisshownthatthedetonationvelocitiesdecreaselinearlywiththedecreasingofthechargecurvatureradiiandthechargediametersquare. Whenthechargediameteror thecurvatureradiusreducesbelowacertaincriticalvalue,thedetonationreactionceases.Basedon theexperimentaldata,anempiricalformulawasproposedforcalculatingthedetonationvelocityofthe emulsionexplosivesintheconditionthatthecurvatureradiusandthechargediameterweregiven.
- mechanicsofexplosion|velocitydeficits,
- curvatureradius|emulsionexplosives|charge diameter|detonationfailure,

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