experimental and numerical studies on penetration of shaped charge into concrete and pebble layered targets
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ID: 131657
2017
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Abstract
Experiments on penetrating into concrete and pebble layered targets were performed by shaped charge with different cone angles, liner wall thicknesses, length to diameter ratios and charge diameters at different standoffs. Based on the experimental data, the influence of shaped charge’s structural parameters on crater diameter, hole diameter, crater depth and penetration depth was analyzed in detail. Meanwhile, formation and penetration processes of all shaped charges were simulated by AUTODYN software for investigating the more intrinsic mechanisms, in which the numerical models are the same as those set up in the experiments. The results obtained in this paper indicate that there are obvious differences between jetting projectile charge (JPC) and explosively formed projectile (EFP) in penetrating into multi-layer targets. For the same charge diameter, the values of hole diameter formed by EFP were much larger than JPC. However, for the same standoff, the penetration depth caused by JCP were larger than EFP. The interfacial effect exists in the penetration progress of JPC.
| Reference Key |
wang2017internationalexperimental
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|---|---|
| Authors | ;C Wang;W Xu;T Li |
| Journal | contrast media & molecular imaging |
| Year | 2017 |
| DOI |
10.21152/10.21152/1750-9548.11.3.295
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