通过建立玻璃微球型乳化炸药爆轰反应数学模型,从微观力学角度分析研究了玻璃微球敏化的乳化炸药爆轰机理,理论计算了其爆轰反应区长度、爆轰反应时间以及爆压、爆热、爆速等爆炸特性参数,计算结果与实验结果能够较好地吻合.研究结果表明乳化炸药爆轰反应区宽度和爆轰反应时间随着装药密度的增加而增加,其中爆轰反应区宽度的增加是导致乳化炸药爆速不随装药密度线性增加的主要原因.%According to the detonation characteristics of emulsion explosives sensitized by microballoons, a mathematical model for detonation reaction of this kind of explosive is established. Through a micromechanical analysis, the mechanism of detonation of emulsion explosives with microballoons was studied, and the detonation parameters such as reaction-zone width, reaction time, detonation pressure, explosion heat and detonation velocity were calculated. And the calculation data are in good agreement with that of the experiment. The results show that the reaction-zone width and reaction time of detonation rise as the charge density increases, and that the growth of reaction-zone width is the main reason that the detonation velocity does not demonstrate a linear increase with the increasing charge density.
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