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几种常用炸药的爆压与爆轰反应区精密测量

舒俊翔 裴红波 黄文斌 张旭 郑贤旭

舒俊翔, 裴红波, 黄文斌, 张旭, 郑贤旭. 几种常用炸药的爆压与爆轰反应区精密测量[J]. 爆炸与冲击, 2022, 42(5): 052301. doi: 10.11883/bzycj-2021-0305
引用本文: 舒俊翔, 裴红波, 黄文斌, 张旭, 郑贤旭. 几种常用炸药的爆压与爆轰反应区精密测量[J]. 爆炸与冲击, 2022, 42(5): 052301. doi: 10.11883/bzycj-2021-0305
SHU Junxiang, PEI Hongbo, HUANG Wenbin, ZHANG Xu, ZHENG Xianxu. Accurate measurements of detonation pressure and detonation reaction zones of several commonly-used explosives[J]. Explosion And Shock Waves, 2022, 42(5): 052301. doi: 10.11883/bzycj-2021-0305
Citation: SHU Junxiang, PEI Hongbo, HUANG Wenbin, ZHANG Xu, ZHENG Xianxu. Accurate measurements of detonation pressure and detonation reaction zones of several commonly-used explosives[J]. Explosion And Shock Waves, 2022, 42(5): 052301. doi: 10.11883/bzycj-2021-0305

几种常用炸药的爆压与爆轰反应区精密测量

doi: 10.11883/bzycj-2021-0305
基金项目: 国家自然科学基金(11602248);科学挑战专题(TZ2018001)
详细信息
    作者简介:

    舒俊翔(1992- ),男,理学学士,助理研究员,shujx678@163.com

    通讯作者:

    裴红波(1987- ),男,博士,副研究员,hongbo2751@sina.com

  • 中图分类号: O381;TJ55

Accurate measurements of detonation pressure and detonation reaction zones of several commonly-used explosives

  • 摘要: 为了获得几种常用炸药的爆压和反应区宽度数据,采用激光干涉测试技术对TNT、PETN、RDX、HMX、TATB和CL-20炸药的稳态爆轰波界面粒子速度进行了测试,获得了高精度的界面粒子速度时程曲线,利用阻抗匹配公式计算得到了炸药的爆压。结果表明:PETN、RDX、HMX和CL-20等理想炸药的界面粒子速度曲线存在较明显的拐点,爆轰反应区较窄,反应时间为7~15 ns。TNT和TATB炸药由于存在碳凝聚慢反应过程,界面粒子速度曲线没有明显的拐点,爆轰反应时间分别为(100±15) ns和(255±20) ns。初步的不确定度分析表明,激光干涉法测试爆压的相对扩展不确定度为4.4%(包含因子k=2)。
  • 图  1  确定CJ点对应的界面粒子速度的方法

    Figure  1.  The methods for determining the interfacial particle velocity at the CJ point

    图  2  实验装置示意图

    Figure  2.  Schematic of the experimental apparatus

    图  3  采用FFT得到的TNT炸药爆轰波界面粒子速度谱

    Figure  3.  Velocity spectrogram of TNT analyzed by the FFT method

    图  4  TNT炸药的界面粒子速度历程

    Figure  4.  Interface velocity history for TNT

    图  5  RDX-1炸药的界面粒子速度历程

    Figure  5.  Interface velocity history for RDX-1

    图  6  不同厚度的RDX-2炸药样品的界面粒子速度历程

    Figure  6.  Interface velocity histories for RDX-2 explosive samples with different thicknesses

    图  7  RDX-3炸药的界面粒子速度历程

    Figure  7.  Interface velocity histories for RDX-3

    图  8  PETN炸药的界面粒子速度历程

    Figure  8.  Interface velocity history for PETN

    图  9  HMX炸药速度频谱

    Figure  9.  Velocity spectrograms of HMX analyzed by the FFT method

    图  10  HMX炸药的界面粒子速度历程

    Figure  10.  Interface velocity histories for HMX

    图  11  TATB炸药速度频谱图

    Figure  11.  Velocity spectrogram of TATB analyzed by FFT method

    图  12  TATB炸药的界面粒子速度历程

    Figure  12.  Interface velocity histories for TATB

    图  13  TATB炸药的界面粒子加速度历程

    Figure  13.  Interface particle acceleration history for TATB

    图  14  CL-20炸药的界面粒子速度历程

    Figure  14.  Interface velocity histories for CL-20

    表  1  炸药反应区参数

    Table  1.   Detailed parameters for the explosive reaction zone

    炸药组分ρ0/(g·cm−3ρTMD/(g·cm−3DCJ/(m·s−1τ/nspCJ/GPapVN/GPapVN/ pCJγ
    TNTTNT1.6201.6547 005100±1520.129.41.462.95
    RDX-1RDX/黏结剂(96.5/3.5)1.6501.7708 18714±327.736.01.302.99
    RDX-2RDX/黏结剂(83/17)1.6501.6728 11027±526.535.01.323.10
    RDX-3RDX1.4901.8167 81012±324.82.66
    RDX-3RDX1.5701.8168 09212±327.62.72
    RDX-3RDX1.6701.8168 44512±330.42.92
    PETNRDX/黏结剂 (95/5)1.6451.6998 0507±226.137.91.453.08
    HMXHMX/黏结剂 (95/5)1.8601.8898 84010±236.848.01.302.95
    TATBTATB/黏结剂(95/5)1.8981.9157 665255±2029.340.31.382.81
    CL-20CL-20/黏结剂 (95/5)1.9202.0108 98015±437.946.41.223.09
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  • 收稿日期:  2021-07-16
  • 修回日期:  2021-11-02
  • 网络出版日期:  2022-03-30
  • 刊出日期:  2022-05-27

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