Modeling of Double Shock Initiation of LX‐17 Explosive
2004
The two‐stage macrokinetic model was used for calculations of shock initiation of TATB‐based compositions. The initial area of the burning surface in the model is determined by initial density of HE. This allows obtaining a realistic curve of critical pressure vs initial density.The experiments for LX‐17 were simulated with one‐dimensional hydrodynamic code VOLNA, permitting calculations with precise fronts of shock and detonation waves. Initiation by a single shock pulse with various amplitude and duration was investigated as well as initiation by two sequential shock waves.
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