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Numerical Prediction on Cookoff Explosion of Explosive under Strong Confinement

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Abstract:

The cookoff of explosives is of great concern for the safety assurance of explosive devices in storage, transportation and handling. It may occur in the situation that explosive devices are subjected to the external heating stimuli such as fire or high-temperature surrounding. In order to gain ever-increasing knowledge toward the cookoff explosion of explosives, we establish numerical program to predict the cookoff explosion of explosive in a metal container. The computational formulation and methods are given in detail. The thermal decomposition and temperature variation in the interior of explosive were found corresponding to several typical external heating conditions. The results demonstrate that the method is beneficial to the future study on this subject.

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Periodical:

Materials Science Forum (Volume 566)

Pages:

89-94

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.566.89

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Online since:

November 2007

Authors:

Zhi Yue Liu, Muhamed Suceska

Keywords:

Cookoff Explosion, Explosive, Finite Difference Method (FDM), Heat Conduction, Numerical Simulation

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© 2008 Trans Tech Publications Ltd. All Rights Reserved

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