The Measurement of Particle Velocity in Pressed Tetryl
NAVAL ORDNANCE LAB WHITE OAK MD
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The electromagnetic velocity EMV gage was used to measure particle velocity vs. time behavior in detonating pressed tetryl point and plane wave initiated. Chapman-Jouguet C-J particle velocity and reaction time were determined by three methods, one of which was evaluation of single records. All methods gave essentially the same results. The C-J parameters were determined as 1.76 mmmicro sec and 68 ns, respectively, for the point initiated case and 1.75 mmmicro sec and 109 ns, respectively, for the plane wave initiated case.
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