Penetration-deflagration Experiment and Coupling Mechanism of Reactive Liner Shaped Charge

Chenghai SU; Zongyu LI; Yuanfeng ZHENG; Zhijian ZHENG; Huanguo GUO

doi:10.12382/bgxb.2021.0645

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Penetration-deflagration Experiment and Coupling Mechanism of Reactive Liner Shaped Charge

更新时间：2025-08-18

- Penetration-deflagration Experiment and Coupling Mechanism of Reactive Liner Shaped Charge
- Acta Armamentarii Vol. 44, Issue 2, Pages: 334-344(2023)
- 作者机构：
  
  1. 北京理工大学爆炸科学与技术国家重点实验室, 北京 100081
  2. 保利澳瑞凯(山东)矿业服务有限公司, 山东威海 264200
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2021.0645
  CLC：
- Received：26 September 2021，
  
  Published Online：10 March 2023，
  
  Published：28 February 2023
- 稿件说明：
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Chenghai SU, Zongyu LI, Yuanfeng ZHENG, et al. Penetration-deflagration Experiment and Coupling Mechanism of Reactive Liner Shaped Charge[J]. Acta Armamentarii, 2023, 44(2): 334-344.
DOI：

Chenghai SU, Zongyu LI, Yuanfeng ZHENG, et al. Penetration-deflagration Experiment and Coupling Mechanism of Reactive Liner Shaped Charge[J]. Acta Armamentarii, 2023, 44(2): 334-344. DOI： 10.12382/bgxb.2021.0645.

摘要

为研究氟聚物基活性药型罩聚能装药对钢靶的侵彻爆燃行为及耦合作用机理

开展配方为质量分数73.5%聚四氟乙烯(PTFE)/26.5%Al活性药型罩聚能装药作用钢靶静爆实验

获得炸高对侵彻深度、侵彻孔径、钢靶爆裂行为影响特性。实验结果表明

活性药型罩聚能装药炸高在0.35~1.00倍装药直径范围内

对钢靶侵爆耦合毁伤效应最为显著。结合准定常理想不可压缩流体力学理论

引入活性射流反应延迟时间

给出活性射流侵彻深度与反应延迟时间函数关系

建立活性射流侵孔内有效质量模型;基于修正的伯努利方程

结合活性射流内爆特性

发展活性射流侵孔孔径理论模型;结合圆筒破坏理论提出活性射流侵爆耦合作用下钢靶爆裂行为判断方法。理论模型定量化描述了活性射流对钢靶的侵爆行为

揭示了破甲终止后活性射流内爆超压导致的扩孔与钢靶爆裂机理。

Abstract

To investigate the penetration-deflagration behaviors and coupling mechanism of fluoropolymers based reactive liner shaped charge against steel target

the damage experiment of 73.5% PTFE (Polytetrafluoroethylene)/26.5% Al reactive liner shaped charge impacting the steel target is carried out

and the effects of stand-off on the penetration depth

penetration aperture

and burst behaviors of the steel target are obtained. The results show that the coupling damage effect of penetration and burst of reactive liner shaped charge on the steel target is most significant when the stand-off is in the range of 0.35

~1.00

. On this basis

combining the theory of quasi-steady incompressible fluid mechanics

a function between the penetration depth and reaction delay of the reactive jet is given by introducing the reaction delay

and the effective mass model of the reactive jet inside the penetration hole is further developed. Based on the modified Bernoulli equation

combining the interior explosion characteristics of the reactive jet

a theoretical model for the reactive jet's penetration aperture diameter is developed. Using the cylinder failure theory

a method for judging the burst behaviors of a steel target under the coupling damage effect of penetration and burst of the reactive jet is proposed. The theoretical model quantitatively describes the coupling damage the reactive jet causes to the steel target and reveals the mechanism for the expansion of the hole and burst of the steel target caused by overpressure after the armo

r penetration is terminated.

关键词

Keywords

references

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