A physical model of low-velocity detonation in plasticized HMX is considered. In this model, a low-velocity detonation wave is a combination of a weak leading shock wave and a subsequent compression wave. This combination is formed by the simultaneous effects of energy release and spreading of the reacting medium. The main features of low-velocity detonation observed in experiments are reproduced in two-dimensional calculations.
A physical model for the macrokinetics of shock-wave initiation of detonation in plastic-bounded TATB-based explosive is proposed that is based on the assumption of electronic energy transfer from hot spots. Results of numerical modeling of experiments on shock-wave initiation of detonation of LX-17 are presented.
A numerical model of weakly nonideal detonation of plastic-bounded TATB is proposed, which alleviates the requirements to the computational grid and necessary computational resources. The model is tested against the experimental results on the dependence of the detonation velocity on the charge diameter and detonation propagation in an annular charge.
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