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提出了P-T图上反映可爆平面着火时间分布特征的极小值L曲线、极大值H曲线和临界值C曲线,其与临界爆炸曲线一起,使得人们对P-T图上任一状态点能否爆炸以及爆炸过程实现的快慢能够获得全面了解.这3条曲线可以用1.2k1=ks[Ms],(k11/k10+1)k1=ks[Ms]和2k1=ks[Ms]来描述,从而为这些表达式赋予了物理解释,同时也为建立这3条曲线提供了新的途径.基于着火时间的等值线图,用热爆炸理论阐述了爆炸临界曲线具有“Z”字形.进一步,基于着火时间预测平板混合层超燃过程的点火距离,得到了合理的结果.
A minimum L curve, a maximum H curve and a critical C curve are presented on the PT chart which reflect the distribution characteristics of the explosive plane fire. Together with the critical explosion curve, people can explode on any PT point As well as the speed of the explosion process can be fully understood.The three curves can be described by 1.2k1 = ks [Ms], (k11 / k10 + 1) k1 = ks [Ms] and 2k1 = ks [Ms] These expressions give a physical explanation and also provide a new way to establish these three curves.According to the contour map of the ignition time, the explosion critical curve has the “Z” shape.Furthermore, Based on the ignition time forecasting the ignition distance of the SLMF, a reasonable result is obtained.