APPLICATION OF MIXTURE THEORY TO SHOCK INITIATION OF POROUS HNS EXPLOSIVE
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A specific microstructural model for the chemical decomposition of shock-loaded HNS explosive has been implemented in a mixture theory. Interaction terms in the mass balance equations have been made consistent with known decomposition kinetics and interaction terms in the energy balance laws are formulated to describe the conjectured microstructural processes. Results of calculations compare favorably with experiments. This study identifies a way in which nonequilibrium processes in the shock environment can be studied and highlights an ambiguity which exists in data interpretation.