串联EFP装药隔爆结构和延时起爆控制

徐浩铭 顾文彬 胡亚锋 王振雄 陈江海

徐浩铭, 顾文彬, 胡亚锋, 王振雄, 陈江海. 串联EFP装药隔爆结构和延时起爆控制[J]. 爆炸与冲击, 2014, 34(6): 723-729. doi: 10.11883/1001-1455(2014)06-0723-07
引用本文: 徐浩铭, 顾文彬, 胡亚锋, 王振雄, 陈江海. 串联EFP装药隔爆结构和延时起爆控制[J]. 爆炸与冲击, 2014, 34(6): 723-729. doi: 10.11883/1001-1455(2014)06-0723-07
Xu Hao-ming, Gu Wen-bin, Hu Ya-feng, Wang Zhen-xiong, Chen Jiang-Hai. Explosion-proof structures and delay detonation control of tandem explosively formed projectile charges[J]. Explosion And Shock Waves, 2014, 34(6): 723-729. doi: 10.11883/1001-1455(2014)06-0723-07
Citation: Xu Hao-ming, Gu Wen-bin, Hu Ya-feng, Wang Zhen-xiong, Chen Jiang-Hai. Explosion-proof structures and delay detonation control of tandem explosively formed projectile charges[J]. Explosion And Shock Waves, 2014, 34(6): 723-729. doi: 10.11883/1001-1455(2014)06-0723-07

串联EFP装药隔爆结构和延时起爆控制

doi: 10.11883/1001-1455(2014)06-0723-07
基金项目: 国家科技支撑计划项目(2012BAK05B01)
详细信息
    作者简介:

    徐浩铭(1985—), 男, 博士

  • 中图分类号: O381

Explosion-proof structures and delay detonation control of tandem explosively formed projectile charges

Funds: Supported bythe National Key Technology R & D Program (2012BZK05B01)
More Information
  • 摘要: 结合串联战斗部的特点,提出了一种两级爆炸成型弹丸(explosively formed projectile, EFP)装药的串联装药结构。利用LS-DYNA有限元软件分析了不同隔爆体及延时起爆对后级EFP成型的影响,进行了不同隔爆结构和延时匹配的串联EFP侵彻45钢靶实验。实验结果表明:优化后的串联EFP装药的侵彻深度,已经达到分2次单级连续侵彻之和的96.7%,后级装药的侵彻能力得到有效提高。
  • 图  1  起爆控制电压波形

    Figure  1.  Voltage wave of detonation controller

    图  2  串联装药模型

    Figure  2.  Tandem EFP model

    图  3  串联装药模型

    Figure  3.  Tandem EFP charge model

    图  4  不同隔爆体200 μs时刻后级EFP形态

    Figure  4.  Shapes of the postpositive EFP charge at 200 μs with different explosion-proof bodies

    图  5  开孔深度和直径随起爆延时的变化

    Figure  5.  Variation of penetration depth and aperture with delay time

    图  6  串联装药侵彻数值模拟结果

    Figure  6.  Simulational results of tandem EFP penetration

    图  7  不同隔爆体串联EFP侵彻结果

    Figure  7.  Penetration results of tandem EFPs with different explosion-proof bodies

    图  8  实验设置

    Figure  8.  Experimental setup

    图  9  不同起爆延时下串联EFP装药侵彻钢靶实验结果

    Figure  9.  Tandem EFP charge penetrating steel targets with different delay time

    表  1  JH-2炸药计算参数

    Table  1.   Computational parameters for JH-2

    ρ/(g·cm-3)v/(m·s-1)pCJ/GPaA/GPaE0/(J·m-3)BR1R2ω
    1.708 4003056.410.06.8014.11.30.36
    下载: 导出CSV

    表  2  紫铜和聚氨酯泡沫计算参数

    Table  2.   Computational parameters for copper liner

    ρ/(g·cm-3)C/(m·s-1)S1S2S3γ0aE0
    8.964 7503.82.740.1251.3460.340.0
    下载: 导出CSV

    表  3  聚氨酯泡沫计算参数

    Table  3.   Computational parameters for polyurethane foam

    ρ/(g·cm-3)C/(m·s-1)S1S2S3γ0aE0
    0.058860.780.00.01.550.000.0
    下载: 导出CSV

    表  4  EFP侵彻钢靶数值模拟与实验数据

    Table  4.   Simulational and experimental results of EFP penetrating steel targets

    H/mmh/Dd/D
    模拟值实验值模拟值实验值
    1500.730.740.5570.563
    1800.800.780.5250.530
    2100.850.860.4980.495
    2400.890.880.4770.472
    2700.900.890.4600.454
    3000.900.900.4550.451
    下载: 导出CSV

    表  5  串联EFP装药侵彻数值模拟结果

    Table  5.   Simulation results of tandem EFP penetration

    Δt/μsh/mmh/Dd/mmd/D
    0921.41522.20.341
    101031.58421.60.332
    201151.76921.40.329
    251041.60021.70.327
    30981.50721.30.334
    下载: 导出CSV

    表  6  串联EFP装药侵彻钢靶实验结果

    Table  6.   Experimental results of tandem EFPs penetrating steel targets

    隔爆结构h/mmd/mm
    圆柱形8215.2
    锥口向上6016.6
    锥口向下9816.3
    下载: 导出CSV

    表  7  串联EFP装药侵彻钢靶结果

    Table  7.   Experimental results of tandem EFPs penetrating steel targets

    编号Δt/μsh/mmd/mm
    A109421.4
    A209521.3
    A31010521.0
    A41010221.2
    A52011720.6
    A62011520.8
    A72510720.4
    A82510820.3
    A93010020.3
    A103010220.2
    B112121.6
    B211921.8
    下载: 导出CSV
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出版历程
  • 收稿日期:  2013-04-12
  • 修回日期:  2013-07-28
  • 刊出日期:  2014-11-25

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