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Air Gap Effects in LX‐17
Author(s) -
Souers P. Clark,
Ault Stan,
Avara Rex,
Bahl Kerry L.,
Boat Ron,
Cunningham Bruce,
Gidding Doug,
Janzen Jim,
Kuklo Denise,
Lee Ron,
Lauderbach Lisa,
Weingart Richard C.,
Wu Ben,
Winer Kris
Publication year - 2006
Publication title -
propellants, explosives, pyrotechnics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.56
H-Index - 65
eISSN - 1521-4087
pISSN - 0721-3115
DOI - 10.1002/prep.200600040
Subject(s) - detonation , transverse plane , air gap (plumbing) , mechanics , narrow gap , front (military) , optics , jet (fluid) , materials science , physics , meteorology , explosive material , chemistry , structural engineering , engineering , composite material , organic chemistry
Abstract Three experiments done over twenty years on gaps in LX‐17 are described. For the detonation front moving parallel to the gaps, jets of gas products were seen coming from the gaps at velocities 2 to 3 times greater than the detonation velocity. A case can be made that the jet velocity increased with gap thickness but the data are scattered. For the detonation front moving transverse to the gap, time delays were seen. The delays roughly increase with gap width, going from 0–70 ns at “zero gap” to around 300 ns at 0.5–1 mm gap. Larger gaps of up to 6 mm width almost certainly stopped the detonation, but this was not proved. Real‐time resolution of the parallel jets and determination of the actual re‐detonation or failure in the transverse case needs to be achieved in future experiments.