Blastloadingdifferencebetweensphericalchargeandcylindricalcharge withlengthequaltodiameteratsmallscaleddistance

LiuWen-xiang; ZhangDe-zhi; ZhongFang-ping; LiYan

doi:10.11883/1001-1455(2013)03-0330-07

Volume 33 Issue 3

Mar. 2014

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Article Navigation > Explosion And Shock Waves > 2013 > 33(3): 330-336

LiuWen-xiang, ZhangDe-zhi, ZhongFang-ping, LiYan. Blastloadingdifferencebetweensphericalchargeandcylindricalcharge withlengthequaltodiameteratsmallscaleddistance[J]. Explosion And Shock Waves, 2013, 33(3): 330-336. doi: 10.11883/1001-1455(2013)03-0330-07

Citation:

LiuWen-xiang, ZhangDe-zhi, ZhongFang-ping, LiYan. Blastloadingdifferencebetweensphericalchargeandcylindricalcharge withlengthequaltodiameteratsmallscaleddistance[J]. Explosion And Shock Waves, 2013, 33(3): 330-336. doi: 10.11883/1001-1455(2013)03-0330-07

Citation:

LiuWen-xiang, ZhangDe-zhi, ZhongFang-ping, LiYan. Blastloadingdifferencebetweensphericalchargeandcylindricalcharge withlengthequaltodiameteratsmallscaleddistance[J]. Explosion And Shock Waves, 2013, 33(3): 330-336. doi: 10.11883/1001-1455(2013)03-0330-07

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Blastloadingdifferencebetweensphericalchargeandcylindricalcharge withlengthequaltodiameteratsmallscaleddistance

doi: 10.11883/1001-1455(2013)03-0330-07

1.
NorthwestInstituteof NuclearTechnology,Xi’an710024,Shaanxi,China

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Corresponding author: LiuWen-xiang
Publish Date: 2013-05-25

Abstract

Abstract

Thepressureattheinnerwalloftheexplosionvesselwasmeasuredbyusingthepressure barmethodtoinvestigatetheinfluencesofthechargeshapeontheblastloadinginthefieldnearthe explosivesource.Theexperimentalresultsdisplaythatthemaximumratioofthepeakandimpulseof thereflectedloadingintheradialdirectioninducedbythecylindricalchargewiththelengthequalto itsdiametertothatinducedbyanequivalentsphericalchargeislargerthantwo.Numericalresults, obtainedbythenumericalmodelwhichisvalidatedbytheexperimentalresults,revealthedifferences ofhydrostaticpressure,density,particlevelocityofblastloadingbetweenthetwochargesandthe changesofthedifferencesoverthescaleddistancefromtheblastcenter.
- mechanicsofexplosion,
- blastloading,
- pressurebarmethod,
- chargeshape,
- smallscaled distance

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