Hydrodynamic RAM Attenuation
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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Preliminary experiments have been conducted to evaluate the ability of different inerting agents to attenuate hydrodynamic ram. Standard .50 caliber 12.7mm AP bullets and 1532 11.9mm steel spheres were used to perforate 20 liter metal containers with and without a liquid and Explosafe. Shots were also made with .50 caliber 12.7 mm AP bullets fired at 220 liter drums with and without a liquid and safety foam. Initial results indicate that the destructive effects of hydrodynamic ram may be enhanced by the addition of Explosafe to liquid-containing cells, while the addition of foam may have attenuated the effects of hydrodynamic ram.
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