Explosion Characteristics of a Volatile Explosive

S. El-Sayed
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引用次数: 1

Abstract

Thermal explosion of volatile energetic materials has been investigated based upon the thermal explosion theory of a gaseous mixture. The critical and transition condition expressions for the thermal explosion of these materials are obtained. The analytical solutions not only deal with the steady-state solution but also cover the unsteady state solution. The different cases and different parameters which affect the critical conditions are investigated in details. Also the numerical solution of the energy equation is offered to give the different families of temperature - time histories. The relation between the critical parameters as ignition timing, ignition temperature, Semenov number and others with different boundary conditions is offered. In this work, the critical and transition conditions of the explosion of the volatile energetic materials through the analytical solution to the problem was introduced. The numerical solution of the unsteady state equation to the problem was offered. The relation between the critical parameters was also presented. The effect of evaporation of the volatile materials as compared with the non-volatile materials on the critical conditions was shown.
挥发性炸药的爆炸特性
基于气体混合物热爆炸理论,研究了挥发性含能物质的热爆炸问题。得到了这些材料热爆炸的临界条件和过渡条件表达式。解析解不仅涉及稳态解,而且涵盖了非稳态解。详细研究了影响临界条件的不同情况和不同参数。并给出了能量方程的数值解,给出了温度-时间历史的不同族。给出了点火正时、点火温度、塞门诺夫数等关键参数在不同边界条件下的关系。本文通过对该问题的解析解,介绍了挥发性含能物质爆炸的临界条件和过渡条件。给出了该问题的非定常方程的数值解。给出了关键参数之间的关系。研究了挥发性物质与非挥发性物质的蒸发对临界条件的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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