PARTIALLY CONSTRAINED IMPINGING JETS
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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Qualitative explanations of the motion of shaped charge liners have been based on impact of two plane jets in which the moving fluid is surrounded by four stagnant regions, all at the same pressure. Actually, the motion is initiated by the difference between the high pressure in the detonation products on one side of the liner and atmospheric pressure on the other. This report considers symmetrical impact of two jets, each partially constrained on one or both sides, in which the stagnant regions are not all at the same pressure.