Calculation of the detonation concentration limits of liquid homogeneous explosive systems

摘要

Perspective direction to improve the safety of explosive liquids use is to study the concentration limits (CL) of detonation for homogeneous liquid explosive systems. The concentration limits can be approached by adding to the liquid explosive knock-free component. In this paper, were summarized the results of the experimental determination of the CL for binary systems based on tetranitromethane and fluoronitromethane. We found universal line (for the class of standard explosives with the atomic composition C, H, N, O, F) separating plane of dimensionless pairs of parameters "coefficient of excess oxidant / heat of explosion" to the region of detonating solutions and region of solutions, which are not capable of detonation. The calculation of the explosion heat is based on the previously proposed mathematical model describing a quasi-equilibrium composition of the detonation products for multicomponent mixture of explosives.