杀伤爆破战斗部起爆方式对地面目标杀伤威力的影响

doi:10.3969/j.issn.1000-1093.2021.11.002

摘要/Abstract

摘要： 为提高杀伤爆破（简称杀爆）战斗部对地面目标的毁伤威力，利用靶场静爆试验和数值模拟方法开展了序贯起爆网络下的定向战斗部威力研究。基于LS-DYNA有限元程序分析不同起爆方式下杀爆战斗部的破片飞散规律，编写C语言程序获得有效破片落地时的分布密度和能量分布，结合毁伤概率法计算战斗部在落角、落速、落高不同运动参数下的有效毁伤面积。研究结果表明：偏心两线和偏心三线序贯起爆在定向方向的速度增益为20.3%、19.8%，序贯起爆可有效改善破片的飞散角，提高破片的落地动能和密度，进一步提高战斗部毁伤面积；偏心两线序贯起爆时战斗部的毁伤效能最高，有效毁伤面积增益最高可达809.1%；该毁伤面积计算方法可较好地反映出破片密度和动能对毁伤效能的影响，为不同起爆方式下杀爆战斗部的毁伤评估提供参考。

关键词: 杀伤爆破战斗部, 爆炸网络, 偏心起爆, 数值模拟, 毁伤评估

Abstract: In order to improve the damage power of blast fragmentation warhead to the ground target，the range static explosion test and the numerical simulation method are used to study the power of the aimed warhead under the sequential initiation network. The fragment dispersion rule of warhead under different initiation modes is analyzed based on LS-DYNA finite element program. The C language program is written to obtain the distribution density and energy distribution of the effective fragments during impacting on the ground.The effective damage area of warhead under different motion parameters (falling angle，falling speed，and falling height) was calculated by using the damage probability estimation method. The research results show that the speed gains of eccentric two lines and eccentric three lines sequential initiations in the locating direction are 20.3% and 19.8%. Sequential initiation can effectively improve the scattering angles of fragments，increase the kinetic energy and density of fragments，and further increase the damage area of warhead; the warhead by eccentric two lines sequential initiation has the highest damage efficiency，the effective damage area gain can reach up to 809.1%; and the damage area calculation method used here can better reflect the impacts of fragment density and kinetic energy on the damage efficiency.

Key words: blastfragmentationwarhead, explosivenetwork, eccentricinitiation, numericalsimulation, damageassessment

中图分类号:

TJ410.2

张浩宇, 张树凯, 程立, 李元, 温玉全, 张郑伟. 杀伤爆破战斗部起爆方式对地面目标杀伤威力的影响[J]. 兵工学报, 2021, 42(11): 2300-2309.

ZHANG Haoyu, ZHANG Shukai, CHENG Li, LI Yuan, WEN Yuquan, ZHANG Zhengwei. The Impact of Initiation Mode of Blast Fragmentation Warhead on the Power to Kill the Ground Target[J]. Acta Armamentarii, 2021, 42(11): 2300-2309.

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