The Damage Laws of Large-Sized Multimedium Materials by Shaped Charge Jets
Abstract
During penetration into large-sized multimedium materials, shaped charge jets are affected by jet fracture and interface effect, leading to reductions in their penetration performance. A theoretical model and calculation method for the penetration of shaped charge jets into asphalt/soil/concrete composite targets were established and experimentally verified to explore the law of the jet-induced damage of large-sized multimedium materials. The influence of the shaped waves generated during the penetration of shaped charge jets, jet fracture, and the interface effect at the interface between different media on the penetration performance of shaped charge jets were taken into account. The theoretical calculation results are in good agreement with the test results. In addition, through dimensional analysis and theoretical calculation, the curve chart of the relationship between total penetration depth and asphalt/soil part thickness is obtained. This chart can quickly reflect the law of the penetration of shaped charges into media with differing thicknesses.
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