两弹体错位序贯侵彻有限靶速度变化规律研究

许宝文; 张丁山; 吕永柱; 张博; 全嘉林

doi:10.19554/j.cnki.1001-3563.2026.09.002

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包装工程（技术栏目） ›› 2026, Vol. 47 ›› Issue (9) : 14-22. DOI: 10.19554/j.cnki.1001-3563.2026.09.002

强动载下弹药响应与防护技术

两弹体错位序贯侵彻有限靶速度变化规律研究

许宝文, 张丁山^*, 吕永柱, 张博, 全嘉林

作者信息 +

Velocity Variation Law of Limited Targets during Dislocated Sequential Penetration by Two Projectiles

XU Baowen, ZHANG Dingshan^*, LYU Yongzhu, ZHANG Bo, QUAN Jialin

Author information +

文章历史 +

摘要

目的研究不同错位距离和弹径对两弹体错位序贯侵彻混凝土靶过程中第二发弹体速度变化的影响规律,为错位序贯侵彻模式的毁伤效能评估、作战策略优化设计提供理论支撑。方法建立了两弹体错位序贯侵彻混凝土靶过程中弹体能量损耗及速度变化理论模型,进行理论计算与数值仿真模拟相互对比。结果在两弹体以600 m/s的初速度侵彻1 m厚C40混凝土靶的工况下,直径50、80和100 mm弹体临界错位距离最大约为8倍、10倍和14倍弹径,第二发弹体速度变化的理论计算结果与仿真结果偏差最大约为6.6%。结论错位序贯侵彻会减缓第二发弹体的速度下降,有利于增加第二发弹体的侵彻深度,随着两弹体错位距离的增加,第一发弹体侵彻对减缓第二发弹体侵彻速度下降的影响幅度减弱,当错位距离大于临界错位距离时,将不产生影响;第一发弹体的弹径越大,第二发弹体受第一发弹体侵彻影响的临界错位距离越大。

Abstract

The work aims to investigate the effects of dislocation distance and projectile diameter on the velocity variation of the second projectile during the dislocated sequential penetration of a concrete target, to provide theoretical support for the evaluation of damage effectiveness and the optimization design of combat strategies in the dislocated sequential penetration process. A theoretical model was developed to characterize the energy loss and velocity change during the dislocated sequential penetration process. A comparison was made between theoretical calculations and numerical simulations. Under test conditions involving penetration of a 1 m thick C40 concrete target at an initial velocity of 600 m/s, the critical dislocation distances for projectile diameters of 50 mm, 80 mm, and 100 mm were approximately 8, 10, and 14 times of the projectile diameter, respectively. The theoretical calculation result of the velocity variation of the second projectile differed from the simulation result by a maximum of about 6.6%. The results indicate that dislocated sequential penetration reduces the velocity decay of the second projectile, thereby enhancing its penetration depth. As the dislocation distance increases, the beneficial influence of the first projectile on the second projectile's velocity retention diminishes. Beyond a critical dislocation distance, this effect becomes negligible. A larger diameter of the first projectile corresponds to a greater critical dislocation distance.

导出引用

许宝文, 张丁山, 吕永柱, 张博, 全嘉林. 两弹体错位序贯侵彻有限靶速度变化规律研究[J]. 包装工程. 2026, 47(9): 14-22 https://doi.org/10.19554/j.cnki.1001-3563.2026.09.002

XU Baowen, ZHANG Dingshan, LYU Yongzhu, ZHANG Bo, QUAN Jialin. Velocity Variation Law of Limited Targets during Dislocated Sequential Penetration by Two Projectiles[J]. Packaging Engineering. 2026, 47(9): 14-22 https://doi.org/10.19554/j.cnki.1001-3563.2026.09.002

中图分类号： TB122

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