Journal
DEFENCE TECHNOLOGY
Volume 17, Issue 5, Pages 1722-1730Publisher
ELSEVIER
DOI: 10.1016/j.dt.2020.09.013
Keywords
Shaped charge jet; Stability; Penetration; Magnetic field; Coupling mechanism
Categories
Funding
- National Natural Science Foundation of China [11972196]
- Youth fund of Jiangsu Natural Science Foundation [BK20190433]
- National Natural Science Funds for Distinguished Young Scholar of China [11702144]
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The experimental investigation showed that a magnetic field can significantly enhance the penetration capability of a shaped charge jet. The theoretical model developed exhibited good correlation with the experimental results.
The influence of a magnetic field on the stability of a shaped charge jet is experimentally investigated at standoffs of 490, 650 and 800 mm. The experimental results without and with the magnetic field are compared in terms of the shaped charge jet form, stability and penetration ability. A theoretical model based on one-dimension fluid dynamics is then developed to assess the depth of penetration of the shaped charge at those three standoffs and magnetic conditions. The results show that the penetration capability can be enhanced in more than 70% by the magnetic field. The theoretical calculations are compared with the experimental results with reasonably good correlation. In addition, the parameters introduced in the theory are discussed together with the experiments at three standoffs studied. (c) 2020 China Ordnance Society. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/ licenses/by-nc-nd/4.0/).
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