TATB基钝感炸药JB-9014的冲击起爆反应增长规律

张琪敏; 张旭; 赵康; 舒俊翔; 张蓉; 钟斌

doi:10.11883/bzycj-2018-0050

TATB基钝感炸药JB-9014的冲击起爆反应增长规律

doi: 10.11883/bzycj-2018-0050

张琪敏^1,,
张旭^2, ,,
赵康¹,
舒俊翔²,
张蓉²,
钟斌²

1.
中国工程物理研究院研究生院，四川绵阳 621999
2.
中国工程物理研究院流体物理研究所，四川绵阳 621999

基金项目: 科学挑战专题（TZ2018001）

详细信息

作者简介:
张琪敏（1993－　），女，硕士研究生，15802856071@163.com

通讯作者:
张　旭（1972－　），男，博士，研究员，博导，caepzx@sohu.com

中图分类号: O382
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- 被引次数: 0
出版历程
- 收稿日期: 2018-02-06
- 修回日期: 2018-05-09
- 网络出版日期: 2019-03-25
- 刊出日期: 2019-04-01

Law of reaction growth of shock initiation on the TATB based insensitive explosive JB-9014

1.
Graduate School of China Academy of Engineering Physics, Mianyang 621999, Sichuan, China;
2.
Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621999, Sichuan, China

摘要

摘要:
采用铝基组合式电磁粒子速度计技术，通过一维平面冲击实验研究了JB-9014炸药的冲击起爆反应增长规律，获得了11.33～14.18 GPa不同初始入射冲击压力下JB-9014炸药撞击界面及其内部不同深度处冲击前沿的波后粒子速度，进而得到粒子速度-时间波剖面图，并拟合得到未反应JB-9014炸药的Hugoniot关系。此外，根据冲击波跟踪器所测波形获得了不同冲击压力下的到爆轰时间及距离。
- JB-9014炸药 /
- 铝基组合式电磁粒子速度计 /
- 粒子速度-时间波剖面图 /
- 雨贡纽关系 /
- Pop图
Abstract:
To find out about the patterns and regularities of the reaction growth of shock initiation on JB-9014 explosives, using aluminum-based multiple EMV, we conducted six one-dimensional planar impact experiments in the gun-power platform. Under different initial pressures (11.33−14.18 GPa), we measured the particle velocity versus time u_p(t) and wave-profiles in the JB-9014 explosive at 9 different distances from the impact plane, and recorded the position of the shock front with time x(t), successfully fitting the unreacted explosive JB-9014 Hugoniot relation. Furthermore, we obtained the time and distance to detonation are estimated according to both the wave-profiles and the x(t) trajectories from the shock wave tracker gauges.
- JB-9014 explosive /
- aluminum-based embedded electromagnetic particle velocity gauge /
- particle velocity profile /
- shock Hugoniot /
- Pop-plot

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图 1 实验装置图

Figure 1. Illustration of the experimental set-up

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图 2 铝基组合式电磁粒子速度计

Figure 2. Aluminum-based multiple electromagnetic particle velocity gauge

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图 3 6发实验粒子速度曲线

Figure 3. Particle velocities of six shots on PBX-9014

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图 4 JB-9014炸药内部不同深度的压力

Figure 4. Impact pressure at different depths of JB-9014 explosive

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图 5 Hugoniot关系(u_s-u_p曲线)

Figure 5. Particle velocity (u_p) vs. shock velocity (u_s)

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图 6 冲击波时间-位置曲线

Figure 6. Time-distance curve of shock waves

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图 7 Pop关系

Figure 7. Pop-plot for JB-9014 explosives

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表 1 JB-9014炸药平面冲击实验参数

Table 1. Parameters of plane impact experiments on JB-9014 explosive

实验	ρ₀/(g·cm⁻³)		u_I/(km·s⁻¹)	p₀/GPa	实验	ρ₀/(g·cm⁻³)		u_I/(km·s⁻¹)	p₀/GPa
实验	上端	下端	u_I/(km·s⁻¹)	p₀/GPa	实验	上端	下端	u_I/(km·s⁻¹)	p₀/GPa
A	1.897	1.896	1.517	11.472	D	1.9	1.902	1.553	12.830
B	1.897	1.894	1.686	14.175	E	1.895		1.489	13.645
C	1.898	1.893	1.651	13.667	F	1.9	1.893	1.529	11.334
注：Shot E炸药样品的密度数据缺失，故炸药样品初始密度用平均密度1.895 g/cm³替代。

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表 2 JB-9014炸药的实验数据

Table 2. Particle velocity vs shock velocity data for JB-9014

实验	ρ₀/(g·cm⁻³)	u_p/(km·s⁻¹)	u_s/(km·s⁻¹)	实验	ρ₀/(g·cm⁻³)	u_p/(km·s⁻¹)	u_s/(km·s⁻¹)
1	1.887	0.508	3.32	16	1.891	0.963	4.501
2	1.889	0.510	3.34	17	1.894	0.574	3.347
3	1.887	0.523	3.37	18	1.893	0.735	3.990
4	1.885	0.546	3.47	19	1.893	0.913	4.369
5	1.891	0.582	3.43	20	1.898	1.084	4.727
6	1.885	0.592	3.37	21	1.898	0.481	3.408
7	1.891	0.772	3.60	22	1.898	0.604	3.776
8	1.887	1.017	4.11	23	1.893	0.639	4.000
9	1.885	1.074	4.12	24	1.889	0.813	4.136
10	1.889	1.445	4.32	A	见表1	1.282	4.718
11	1.884	1.425	4.63	B	见表1	1.428	5.236
12	1.885	1.447	4.65	C	见表1	1.431	5.040
13	1.893	0.480	3.433	D	见表1	1.373	4.918
14	1.889	0.618	3.788	E	见表1	1.330	4.997
15	1.893	0.779	4.028	F	见表1	1.286	4.647

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表 3 JB-9014炸药的数据

Table 3. data for JB-9014 explosives

实验	ρ₀/(g·cm⁻³)		ρ₀/(g·cm⁻³)	t_D/μs	x_D/mm	实验	ρ₀/(g·cm⁻³)		p₀/GPa	t_D/μs	x_D/mm
实验	上端	下端	ρ₀/(g·cm⁻³)	t_D/μs	x_D/mm	实验	上端	下端	p₀/GPa	t_D/μs	x_D/mm
A	1.897	1.896	11.472	26.48	13.97	D	1.900	1.902	12.830	23.04	8.54
B	1.897	1.894	14.175	53.01	8.35	E	1.895		13.645	41.38	9.05
C	1.898	1.893	13.667	21.57	7.38	F	1.900	1.893	11.334	24.09	9.59

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