射流侵彻陶瓷/橡胶/钢复合靶的数值仿真与实验研究

言克斌; 黄正祥; 刘荣忠

doi:10.11858/gywlxb.2014.04.013

射流侵彻陶瓷/橡胶/钢复合靶的数值仿真与实验研究

doi: 10.11858/gywlxb.2014.04.013

言克斌^{1, 2,},
黄正祥¹,
刘荣忠¹

1.
南京理工大学机械工程学院，江苏南京 210094
2.
中国人民解放军陆军军官学院，安徽合肥 230031

基金项目: 国家自然科学基金(11072115)

详细信息

作者简介:
言克斌(1963-), 男, 博士, 副教授, 主要从事弹药威力与目标防护研究.E-mail:ykb304@163.com

中图分类号: O358;TJ413
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出版历程
- 收稿日期: 2012-07-19
- 修回日期: 2012-10-31

Numerical and Experimental Research on Ceramic/Rubber/Steel Composite Armor Penetrated by Jet

1.
School of Mechanics Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
2.
Army Officer Academy of PLA, Hefei 230031, China

摘要

摘要: 运用LS-DYNA动力学分析软件，对具有不同橡胶夹层厚度的陶瓷/橡胶/钢复合靶在30°和60°倾角下的射流侵彻情况进行了数值模拟。采用聚能装药基准弹，进行了剩余穿深实验，研究了射流侵彻陶瓷/橡胶/钢复合靶后射流速度、靶板变形和剩余穿深，分析了倾角和橡胶夹层厚度对复合靶抗射流侵彻性能的影响机理。结果表明：射流侵彻陶瓷/橡胶/钢复合靶的性能受倾角的影响很大，尤其是在大倾角下影响更为显著；橡胶夹层对射流侵彻性能有一定的影响，但其厚度的变化对射流侵彻性能的影响很小。
- 射流 /
- 侵彻性能 /
- 陶瓷/橡胶/钢复合靶 /
- 剩余穿深 /
- 射流头部速度
Abstract: Numerical simulation and analysis of jet penetration in ceramic/rubber/steel composite armor with different rubber interlayer thicknesses at the impact angles of 30° and 60° were conducted by applying LS-DYNA dynamic analysis software.The jet velocity, target deformation and remaining penetration depth were obtained through the standard shaped charge experiment, and the effects of inclination angle and rubber interlayer thickness on the anti-jet penetration property of composite armor were analyzed.The results show that the inclination angle has a great influence on the defense property of ceramic/rubber/steel composite armor against shaped charge jet, especially large inclination angle; the rubber interlayer has a certain impact on the penetration performance of jet, however the effect of its thickness is quite small.
- jet /
- penetration property /
- ceramic/rubber/steel composite armor /
- remaining penetration depth /
- jet head speed

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图 1 基准弹结构和基本尺寸

Figure 1. Structure and basic dimensions of the standard shaped charge

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图 2 装置示意图

Figure 2. Sketch of the set-up

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图 3 测速靶纸

Figure 3. Target paper in velocity measurement

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图 4 实验布局

Figure 4. Experiment layout

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图 5 倾角为30°时靶板的变形情况

Figure 5. Target deformation at the penetration angle of 30°

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图 6 倾角为30°时后效靶的开坑情况

Figure 6. Aftereffect target crater at the penetration angle of 30°

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图 7 倾角为60°时靶板的变形情况

Figure 7. Target deformation at the penetration angle of 60°

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图 8 倾角为60°时后效靶的开坑情况

Figure 8. Aftereffect target crater at the penetration angle of 60°

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图 9 不同倾角下射流的头部速度

Figure 9. Jet head speed under different penetration angles

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表 1 JH-2炸药的C-J参数和JWL状态方程参数

Table 1. C-J parameters and JWL state equation parameters of JH-2 explosive

ρ/(g/cm³)	D/(m/s)	e₀/(kJ/cm³)	p_CJ/(GPa)	A/(GPa)	B/(GPa)	ω	R₁	R₂
1.72	8 425	10.2	30.4	852.4	1.802	0.38	4.6	1.3

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表 2 材料参数

Table 2. Material parameters

Material	ρ/(g/cm³)	σ_b/(MPa)	σ_bc/(MPa)	σ_s/(MPa)	E/(MPa)	ε₅/(%)	H_B	H_RC	H_A
Liner	8.9	208			128	54	42
Ceramic	3.8		1 300		340			52.5
Rubber	1.3	20				400			75
Q235 steel	7.85	375		235		26
45 steel	7.85	630		370		17

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表 3 射流侵彻陶瓷/橡胶/钢复合靶后的头部速度和剩余穿深

Table 3. Head speed and remaining penetration depth of jet after penetrating the ceramic/rubber/steel composite armor

α/(°)	d/(mm)	v_j/(m/s)	h_res/(mm)	α/(°)	d/(mm)	v_j/(m/s)	h_res/(mm)
30	3	6 078	110	60	3	5 786	100
30	4	6 130	119	60	4	5 636	105
30	5	6 183	114	60	5	5 564	102

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表 4 实验结果

Table 4. Experimental results

α/(°)	d/(mm)	v_j/(m/s)	h_res/(mm)
30	4	6 263	114
60	4	5 652	95

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参考文献(9)

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