Ignition and Growth Reactive Flow Modeling of Shock Initiation of PBX 9502 at -55$^{\circ}$C and -196$^{\circ}$C*

Recently Gustavsen et al.[1] and Hollowell et al.[2] published two stage gas gun embedded particle velocity gauge experiments on PBX 9502 (95{\%}TATB, 5{\%} Kel-F800) cooled to -55$^{\circ}$C and -196$^{\circ}$C, respectively. At -196$^{\circ}$C, PBX 9502 was shown to be much less shock sensitive than at -55$^{\circ}$C, but it did transition to detonation. Previous Ignition and Growth model parameters for shock initiation of PBX 9502 at -55$^{\circ}$C are modified based on the new data, and new parameters for -196$^{\circ}$C PBX 9502 are created to accurately simulate the measured particle velocity histories and run distances to detonation versus shock pressures.\\[4pt] [1] R. Gustavsen, et al., J. Appl. Phys. \textbf{112}, 074909 (2012).\\[0pt] [2] B. Hollowell, et al., Journal of Physics: Conference Series \textbf{500} (2014)182014.