JBO-9021炸药的冲击起爆Pop关系

张涛; 赵继波; 伍星; 刘雨生; 刘艺; 杨佳; 谷岩

doi:10.11883/bzycj-2016-0330

JBO-9021炸药的冲击起爆Pop关系

doi: 10.11883/bzycj-2016-0330

张涛¹,
赵继波¹,
伍星²,
刘雨生¹,
刘艺¹,
杨佳¹,
谷岩^1, ,

1.
中国工程物理研究院流体物理研究所冲击波物理与爆轰物理重点实验室, 四川绵阳 621999
2.
中国工程物理研究院总体工程研究所, 四川绵阳 621999

详细信息

作者简介:
张涛(1988-), 男, 硕士, 助理研究员

通讯作者:
谷岩, guyan@caep.cn

中图分类号: O381
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- 被引次数: 0
出版历程
- 收稿日期: 2016-10-31
- 修回日期: 2016-12-13
- 刊出日期: 2018-07-25

Pop relationship of JBO-9021 explosives

ZHANG Tao¹,
ZHAO Jibo¹,
WU Xing²,
LIU Yusheng¹,
LIU Yi¹,
YANG Jia¹,
GU Yan^{1
, ,}

1.
National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China
2.
Institute of System Engineering, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

摘要

摘要: 采用激光干涉测速技术和高速扫描相机，对新型钝感高能炸药JBO-9021（TATB、HMX和黏结剂的质量分数分别为80%、15%和5%）的冲击起爆Pop关系进行了研究。通过激光干涉测速技术获得了JBO-9021炸药冲击起爆过程中不同光纤探针处（即不同冲击波位置）的粒子起跳瞬时速度，结合未反应炸药的雨贡纽曲线，获得了粒子起跳点的冲击波压力；通过高速扫描相机获得冲击到爆轰距离，结合光纤探针所处位置，得到不同压力下JBO-9021炸药的冲击到爆轰距离，进而拟合出反映JBO-9021炸药冲击起爆性能的Pop关系曲线。结果显示，相对于TATB基PBX9502炸药和HMX基PBX9501炸药，JBO-9021炸药的冲击起爆性能更加优异。
- JBO-9021 /
- 钝感高能炸药 /
- 激光干涉技术 /
- Pop曲线
Abstract: In this study we performed experiment on JBO-9021, a new kind of high insensitive explosive, in which the mass fractions of TATB, HMX and binder are 80%, 15% and 5%, respectively, under strong shock and achieved its particle velocity histories using laser interferometry and a high-speed scanning camera. We derived the initial shock pressures at different positions in the wedge-shaped test explosive from the particle velocity histories that were measured by laser interferometry and the Hugoniot curve of the unreacted JBO-9021 explosive. According to the run distance to detonation obtained by a streak camera and the locations of the pins, we investigated the Pop relationship of this high insensitive explosive as a function of the initial shock pressure and the run distance to detonation, and demonstrated that JBO-9021's shock initiation performance is superior to that of the TATB based explosive PBX9502 and the HMX based explosive PBX9501.
- JBO-9021 /
- insensitive high explosive /
- laser interferometry /
- Pop-plot

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图 1 实验装置及测试系统

Figure 1. Experiment setup and measuring system

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图 2 实验装置实物

Figure 2. Actual experimental device

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图 3 JBO-9021炸药/LiF窗口界面u_p-t曲线

Figure 3. u_p-t curve of the interface of JBO-9021 explosive and LiF window

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图 4 修正后JBO-9021炸药波后粒子速度剖面

Figure 4. Rectified particle velocity-time curve for JBO-9021 explosive

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图 5 高速扫描相机测试结果

Figure 5. Result obtained using streak camera

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图 6 JBO-9021炸药的Pop关系

Figure 6. Pop-plot of JBO-9021 explosive

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表 1 实验结果

Table 1. Experimental results

探针编号	h/mm	s/mm	u_p/(km·s^-1)	p/GPa
1^#	4	4.49	1.147	10.31
2^#	5	3.49	1.233	11.72
3^#	6	2.49	1.349	13.77
4^#	7	1.49	1.592	18.60
5^#	8	0.49	1.838	27.06

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参考文献(13)

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