粉状乳化炸药爆炸特性的实验研究

Experimental Study or Explosive Performance of Powdered Emulsion Explosive

文章研究了粉状乳化炸药的爆炸特性──最大爆炸压力（Ｐｍａｘ）和最大爆炸压力上升速率［（ｄＰ／ｄｔ）ｍａｘ］，考查了各种因素对爆炸特性的影响，并与玉米粉和ＴＮＴ的爆炸行为进行了对比．试验结果表明，粉状乳化炸药与ＴＮＴ相比有着低得多的最大爆炸压力和最大爆炸压力上升速率．从火焰传播机理看，粉状乳化炸药更象非自供氧的玉米粉尘．

The explosive performance-maximum explosion pressure (Pmax) and maximum rate of explosion pressure [(dp/dt)amx]-of powdered emulsion explosive is studied and factors affecting the explosive performance are examined. As compared with the explosive behavior of explosives composed of corn flour and TNT, the results indicated that the maximum explosion pressure and maximum rate of explosion pressure of the powdered emulsion expllsive are much lower than that of TNT and that the powdered emulsion explosive is more similar in flame propagation to corn flour dust.