Equivalent test method to simulate combined damage action of air blast shock wave and high speed fragment group of fragment killing warhead
LI Mao1,2, HOU Hailiang1, ZHU Xi1, LI Dian1, LI Yongqing1, CHEN Changhai1
1.College of Naval Architecture and Ocean Engineering, Naval University of Engineering, Wuhan 430033, China
2.Naval Research Academy,Beijing 100161,China
The damage characteristics and protection performance of target structures under the combined action of air blast shock wave and high speed fragment group of fragment killing warhead are current research hotspots and difficulties in protection area. However, the present research methods and test techniques have deficiencies. Here, the equivalent shrinkage warhead whose principle is that explosive explosion drives prefabricated fragments to disperse was adopted to simulate a fragment killing warhead as a test method producing combined damage action of air blast shock wave and high speed fragment group against protective structures. On the basis of determining warhead and projectile of defensive target as well as geometric scale ratio, according to the corresponding empirical formulas of explosion mechanics, an equivalent calculation method was proposed for solving charge of the equivalent shrinkage warhead and the corresponding parameters of prefabricated fragments. It was shown that the proposed equivalent method can consider the enhanced effect of multiple fragments’ penetration and the combined damage enhanced effect of air blast shock wave and high speed fragment group; the proposed method is simple and practical with less parameters.
李茂1,2，侯海量1，朱锡1，李典1，李永清1，陈长海1. 模拟破片杀伤战斗部空爆冲击波与高速破片群联合作用的等效试验方法[J]. 振动与冲击, 2020, 39(1): 184-190.
LI Mao1,2, HOU Hailiang1, ZHU Xi1, LI Dian1, LI Yongqing1, CHEN Changhai1. Equivalent test method to simulate combined damage action of air blast shock wave and high speed fragment group of fragment killing warhead. JOURNAL OF VIBRATION AND SHOCK, 2020, 39(1): 184-190.
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