Penetration equation for shaped charge warhead



Published by: Noemi Category: Penetration

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There are also various other projectile BONUS, DM and rocket submunitions Motiv-3M, DM and mines MIFF, TMRP-6 that use EFP principle. A common feature that emerges from these models is the importance of a high strike velocity to exploit more fully the hydrodynamic penetration mechanism, which, in turn, is further improved by the use of longer penetrators having higher densities relative to the target material density. Full hydrodynamic behavior does not occur until the strike velocity reaches several kilometers per second, such as occurs with shaped charge munitions. In charges for oil well completion , however, it is essential that a solid slug or "carrot" not be formed, since it would plug the hole just penetrated and interfere with the influx of oil. Shaped charges are incorporated in a hollow carrier gun or a strip positioned in the casing. This results in its small part of jet being projected at a lower velocity than jet formed later behind it.
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Shaped Charge


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Shaped charge

Linear-shaped charges LSC have a void shaped into a chevron or inverted "V" along its entire length, and they are designed to cut linearly through its target. In those circumstances, a modified shaped charge equation can be actually quite useful. A pound shaped charge accelerated the gas in a 3-cm glass-walled tube 2 meters in length.
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