Numerical simulation on ballistic impact chamber test

Zi Jun Zhao; Shi Hua Bi

doi:10.15918/j.tbit1001-0645.2015.06.002

Numerical simulation on ballistic impact chamber test

Zi Jun Zhao, Shi Hua Bi

School of Aerospace Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

To study ignition mechanism of explosive under low velocity, code of LS-DYNA and Visco-SCRAM model were taken as numerical simulation on ballistic impact chamber test. The ignition reaction was attained at the initial velocity of 5.35 m/s which was consistent with test results from literature. The results show that the bulk rise of temperature wasn't mechanism of explosive ignition, but hot spots from cracks frictional were mechanism of ignition. The results provide new basis and support for non-shock ignition of explosive under low impact.

Original language	English
Pages (from-to)	556-559
Number of pages	4
Journal	Beijing Ligong Daxue Xuebao/Transaction of Beijing Institute of Technology
Volume	35
Issue number	6
DOIs	https://doi.org/10.15918/j.tbit1001-0645.2015.06.002
Publication status	Published - 1 Jun 2015

Keywords

Ballistic impact chamber
Bulk heat
Hot spot

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10.15918/j.tbit1001-0645.2015.06.002

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title = "Numerical simulation on ballistic impact chamber test",

abstract = "To study ignition mechanism of explosive under low velocity, code of LS-DYNA and Visco-SCRAM model were taken as numerical simulation on ballistic impact chamber test. The ignition reaction was attained at the initial velocity of 5.35 m/s which was consistent with test results from literature. The results show that the bulk rise of temperature wasn't mechanism of explosive ignition, but hot spots from cracks frictional were mechanism of ignition. The results provide new basis and support for non-shock ignition of explosive under low impact.",

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AU - Bi, Shi Hua

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AB - To study ignition mechanism of explosive under low velocity, code of LS-DYNA and Visco-SCRAM model were taken as numerical simulation on ballistic impact chamber test. The ignition reaction was attained at the initial velocity of 5.35 m/s which was consistent with test results from literature. The results show that the bulk rise of temperature wasn't mechanism of explosive ignition, but hot spots from cracks frictional were mechanism of ignition. The results provide new basis and support for non-shock ignition of explosive under low impact.

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KW - Hot spot

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Numerical simulation on ballistic impact chamber test

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Keywords

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