活性射流侵彻钢筋混凝土靶后效超压特性

doi:10.3969/j.issn.1000-1093.2019.07.005

摘要/Abstract

摘要： 为研究活性射流侵彻钢筋混凝土靶后效超压效应，采用实验、理论与数值仿真相结合的方法，开展了活性药型罩聚能装药作用钢筋混凝土靶后效超压特性研究。实验结果表明，在聚能装药结构一定条件下，低密度活性射流较高密度活性射流对钢筋混凝土靶的侵彻孔径更大，穿靶后在密闭空间内爆燃产生的冲击波峰值超压更高，且超压-时间曲线呈现出多峰现象。引入虚拟爆炸点的方法，建立了活性射流靶后爆燃超压与高能炸药爆炸等效分析模型，结合AUTODYN-3D有限元分析，得出模型预测的后效超压-时间曲线与实验结果吻合较好，揭示了活性射流在靶后密闭空间内爆燃超压传播规律及多峰现象。

关键词: 聚能装药, 活性药型罩, 靶后超压, 钢筋混凝土, 侵彻

Abstract: In order to investigate the aftereffect overpressure characteristics of reactive jet penetrating into reinforced concrete, the experimental, theoretical and numerical simulation methods are used to study the aftereffect overpressure characteristics of reactive liner shaped charge against reinforced concrete. Experimental results show that, for the same shaped charge configuration, the low density reactive jet produces a larger diameter penetration hole on the reinforced concrete and a higher peak overpressure in a closed space compared with the high density reactive jet, and the overpressure-time curves reveal multi-peaks phenomenon. An equivalent model for aftereffect deflagration overpressure of reactive jet and high explosive explosion is developed by using the virtual explosion point method.AUTODYN-3D finite element analysis shows that the predicted aftereffect overpressure-time curves are well agreement with the experimental results, and the propagation characteristics and multi-peaks phenomenon of reactive jet in the closed space are also revealed. Key

Key words: shapedcharge, reactiveliner, behind-targetoverpressure, reinforcedconcrete, penetration

中图分类号:

TJ410.3⁺33

张昊，王海福，余庆波，郑元枫. 活性射流侵彻钢筋混凝土靶后效超压特性[J]. 兵工学报, 2019, 40(7): 1365-1372.

ZHANG Hao， WANG Haifu， YU Qingbo， ZHENG Yuanfeng. Aftereffect Overpressure of Reactive Jet Perforating into Reinforced Concrete[J]. Acta Armamentarii, 2019, 40(7): 1365-1372.

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第40卷
第7期2019 年7月兵工学报ACTA
ARMAMENTARIIVol.40No.7Jul.2019

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