冲击作用下PBX炸药预制孔洞塌陷过程的实验探索

傅华 李涛 吴廷烈 张光升 李克武

傅华, 李涛, 吴廷烈, 张光升, 李克武. 冲击作用下PBX炸药预制孔洞塌陷过程的实验探索[J]. 高压物理学报, 2015, 29(4): 268-272. doi: 10.11858/gywlxb.2015.04.005
引用本文: 傅华, 李涛, 吴廷烈, 张光升, 李克武. 冲击作用下PBX炸药预制孔洞塌陷过程的实验探索[J]. 高压物理学报, 2015, 29(4): 268-272. doi: 10.11858/gywlxb.2015.04.005
FU Hua, LI Tao, WU Ting-Lie, ZHANG Guang-Sheng, LI Ke-Wu. Experiment of Cavity Collapse Process in Plastic-Bonded Explosives under Shock Loading[J]. Chinese Journal of High Pressure Physics, 2015, 29(4): 268-272. doi: 10.11858/gywlxb.2015.04.005
Citation: FU Hua, LI Tao, WU Ting-Lie, ZHANG Guang-Sheng, LI Ke-Wu. Experiment of Cavity Collapse Process in Plastic-Bonded Explosives under Shock Loading[J]. Chinese Journal of High Pressure Physics, 2015, 29(4): 268-272. doi: 10.11858/gywlxb.2015.04.005

冲击作用下PBX炸药预制孔洞塌陷过程的实验探索

doi: 10.11858/gywlxb.2015.04.005
基金项目: 国家自然科学基金(11072227,11272294,11272296);基础科研(B1520110002);国防科技重点实验室专项(2012-专-05)
详细信息
    作者简介:

    傅华(1979-),男,副研究员,主要从事炸药化爆安全性研究.E-mail: huafu_103@163.com

  • 中图分类号: O347.1;O521.3

Experiment of Cavity Collapse Process in Plastic-Bonded Explosives under Shock Loading

  • 摘要: 采用显微镜头、光纤传像束、高速相机相结合的拍摄方法,利用电爆炸驱动低速飞片技术和快响应热电偶测温技术,初步建立了毫米级小尺寸炸药冲击响应的测试方法,实现了对亚毫米尺度预制孔洞缺陷的实时动态观测,获得了固体炸药孔洞(直径500 μm)动态塌陷过程的图像和温升历程,为开展热点形成、点火及成长过程的实验研究奠定了基础。

     

  • 图  实验布置

    Figure  1.  Experimental arrangement

    图  电爆炸驱动低速飞片加载含孔洞炸药实验装置示意图

    Figure  2.  Schematic of a low-velocity flyer impacting the explosive containing a precast cavity

    图  热电偶剖面结构与实物图

    Figure  3.  Actual picture and cross-sectional view of the thermocouple

    图  孔洞静止图像

    Figure  4.  Static image of cavity

    图  孔壁颗粒飞溅现象

    Figure  5.  Splash of grain on the cavity wall

    图  孔洞塌缩图像

    Figure  6.  Cavity collapse process

    图  温升历程

    Figure  7.  Temperature curve

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    Fu H, Liu C L, Wang W Q, et al. Preliminary simulation of hot spot formation for plastic bonded explosives at mesoscale[J]. Explosion and Shock Waves, 2008, 28(6): 515-520. (in Chinese) http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=bzycj200806006
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    Fu H, Zhao F, Tan D W, et al. Mesoscale simulation of cavity collapse hot spot mechanism in HMX under shock loading[J]. Chinese Journal of High Pressure Physics, 2011, 25(1): 8-14. (in Chinese) http://www.wanfangdata.com.cn/details/detail.do?_type=perio&id=gywlxb201101002
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出版历程
  • 收稿日期:  2014-02-17
  • 修回日期:  2014-05-07

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