Effectsofannulusmulti-pointinitiationprecision

onformationofjettingprojectilecharge

LI Wei-bing; WANG Xiao-ming; LI Wen-bin; ZHENG Yu

doi:10.11883/1001-1455(2010)01-0045-06

Volume 30 Issue 1

May 2014

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CHEN Dong-liang, SUN Jin-hua, LIU Yi, MA Ye-feng, HAN Xue-bin. Propagation characteristics of premixed methane-air flames[J]. Explosion And Shock Waves, 2008, 28(5): 385-390. doi: 10.11883/1001-1455(2008)05-0385-06

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LI Wei-bing, WANG Xiao-ming, LI Wen-bin, ZHENG Yu. Effectsofannulusmulti-pointinitiationprecision onformationofjettingprojectilecharge[J]. Explosion And Shock Waves, 2010, 30(1): 45-50. doi: 10.11883/1001-1455(2010)01-0045-06

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Effectsofannulusmulti-pointinitiationprecision onformationofjettingprojectilecharge

doi: 10.11883/1001-1455(2010)01-0045-06

1.
Schoolof MechanicalEngineering,NanjingUniversityofScienceandTechnology,

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Corresponding author: LI Wei-bing
Publish Date: 2010-01-25

Abstract

Abstract

Aimattheproblemofannulusmulti-pointinitiationcircuitsappliedinmultimodeshaped charges,theLS-DYNAcodewasusedtoexploretheinitiationsynchronizationprecisionofsixpoints initiationcircuithowtoaffecttheparametersforthepenetratorsformation,suchasvelocityand length-diameterratio,bychangingthedelaypointsandtime.Thechangelawofacrossvelocitygrads wasobtained,whichwasthemainreasonthatcausedthepenetratorbend.Whenthedelaytimeis within200ns,thepenetratorcannotbendanditsformationparametersarenotchanged.Experimentalresultsshowtheexperimentaldataareinagreementwiththesimulations.
- mechanicsofexplosion,
- multi-pointinitiationcircuit,
- initiationprecision,
- jettingprojectile charge

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