EXPERIMENTS ON SOLID AND GASEOUS EXPLOSIVES. 



375 



0.02 



0.04 0.06 



Time in seconds. 



0.08 



Fig. 12. Showing variation of rate of explosion with size of cordite. 



Gravimetric density 0'15; charge uniformly distributed; cylindrical enclosure used; A, diameter 



of cord 0-175; B, diameter of cord 0-475. 



Q O.OI 0.0? 0.03 0.04 0.05 0.06 0.07 0.08 0.09 O.IO O.ll O.I2 



Time required to reach the maximum pressure (in seconds). 



Fig. 13. Effect of the gravimetric density and of the diameter of the explosive on the time required 



to reach the maximum pressure. 



