JB-9014钝感炸药冲击Hugoniot关系测量

刘俊明; 张旭; 裴红波; 舒俊翔; 覃双; 钟斌; 张蓉

doi:10.11858/gywlxb.20170669

JB-9014钝感炸药冲击Hugoniot关系测量

doi: 10.11858/gywlxb.20170669

刘俊明^1,,
张旭^2,*, ,,
裴红波²,
舒俊翔²,
覃双¹,
钟斌²,
张蓉²

1.
中国工程物理研究院研究生部, 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:

国家自然科学基金委员会与中国工程物理研究院联合基金 U1630113

国防技术基础项目 JSZL2015212C001

详细信息

作者简介:
刘俊明(1990-), 男, 硕士研究生, 主要从事炸药状态方程研究.E-mail:13521934162@163.com

通讯作者:
张旭(1972-), 男, 研究员, 博士生导师, 主要从事流体动力学研究.E-mail:caepzx@sohu.com

中图分类号: TJ55;O521.3
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出版历程
- 收稿日期: 2017-10-31
- 修回日期: 2017-11-17

Measurement of Hugoniot Relation for JB-9014 Insensitive Explosive

1.
The Graduate School of CAEP, Mianyang 621999, China
2.
Institute of Fluid Physics, CAEP, Mianyang 621999, China

摘要

摘要: 采用火炮加载技术对JB-9014钝感炸药进行一维平面冲击实验。通过激光干涉测速仪测量冲击波到达炸药样品前、后表面的时刻以及炸药/镀膜氟化锂窗口界面粒子速度。利用冲击波到达炸药样品前、后表面的时刻差和炸药样品的厚度计算出冲击波在炸药样品中的传播速度，并结合炸药样品/氟化锂窗口接触面处粒子速度求出炸药样品冲击波后粒子速度，进而获得了炸药样品在3.1~9.7 GPa压力范围内的冲击Hugoniot关系。对炸药样品中冲击波速度以及波后粒子速度进行不确定度分析，得到炸药样品中冲击波速度和波后粒子速度的合成标准不确定度约为0.54%和1.7%。将未反应炸药的冲击Hugoniot曲线和冲击波阵面的Rankine-Hugoniot关系进行联立得到冲击波后炸药样品内的压力和密度，进而拟合得到炸药样品在冲击绝热状态下沿（p，ρ）面的p-ρ曲线。
- 激光干涉测速仪 /
- 冲击Hugoniot关系 /
- 钝感炸药 /
- 粒子速度 /
- 不确定度
Abstract: In this paper we measured the Hugoniot data for JB-9014 explosive by measuring the times when the shock wave reached the surfaces of the explosive sample and the particle velocity at the sample/window interface on a gun using PDV.Calculating the difference between the times when the shock wave reaches the front and the back surfaces of the sample explosive and its thickness, we figured out the propagation velocity of the shockwave in the sample, and found that the combined standard uncertainties of the shock velocity and the particle velocity were 0.54% and 1.7% within the pressure range of 3.1-9.7 GPa, through uncertainty analysis.Moreover, we also derived the relation between the pressure and the density of the JB-9014 explosive sample from the simultaneous equation of the Hugoniot relation and the Rankine-Hugoniot relationship of the shock wave form and obtained the fitted p-ρ curve in the sample along the (p, ρ) surface under heat-insulated shock.
- PDV /
- Hugoniot relation /
- insensitive explosive /
- particle velocity /
- uncertainty

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图 1 实验装置示意图

Figure 1. Illustration of experimental devices

1.Sabot; 2.Sapphire flyer; 3.Velocity-measuring ring; 4.Sapphire substrate; 5.Explosive sample; 6.LiF optical window; 7.Target buffer

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图 2 炸药样品装置靶

Figure 2. Explosive target sample devices

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图 3 炸药样品装置示意图

Figure 3. Illustration of explosive sample devices

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图 4 实验原理图

Figure 4. Sketch of experimental principle

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图 5 3.966 0 GPa压力下的粒子速度-时间图

Figure 5. Particle velocity-time relation at 3.966 0 GPa

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图 6 5.551 5 GPa压力下的粒子速度-时间图

Figure 6. Particle velocity-time relation at 5.551 5 GPa

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图 7 7.552 7 GPa压力下的粒子速度-时间图

Figure 7. Particle velocity-time relation at 7.552 7 GPa

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图 8 9.726 5 GPa压力下的粒子速度-时间图

Figure 8. Particle velocity-time relation at 9.726 5 GPa

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图 9 D-u关系

Figure 9. D-u relation

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图 10 p-ρ关系

Figure 10. p-ρ relation

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表 1 实验测量结果

Table 1. Experimental measurement results

Experiment No.	Experiment set-up	ρ₀/(g·cm^-3)	W/(km·s^-1)	u_w/(km·s^-1)	u_s/(km·s^-1)	D_s/(km·s^-1)	p_s/GPa	ρ_s/(g·cm^-3)
Shot 1	Sapphire flyer	1.894	0.689	0.363	0.574	3.647 40	3.9660	2.246 5
Shot 2	Sapphire+JB-9014 explosive	1.893	0.805	0.484	0.735	3.990 23	5.551 5	2.3204
Shot 3	Sample (5 mm)+ LiF window	1.893	1.076	0.625	0.913	4.36933	7.552 7	2.393 0
Shot 4		1.898	1.324	0.766	1.084	4.726 97	9.7265	2.456 3
Shot 5	Sapphire flyer	1.893	0.696	0.216	0.480	3.433	3.119	2.2000
Shot 6	JB-9014 explosive	1.889	0.918	0.300	0.618	3.788	4.422	2.257 3
Shot 7	Sample (20 mm) + LiF	1.893	1.173	0.394	0.779	4.028	5.941	2.3469
Shot 8	Window+(PDV)	1.891	1.490	0.527	0.963	4.501	8.196	2.4057
Shot9	Copper flyer	1.898	0.634		0.481	3.40832	3.112 7	2.204 0
Shot10	PVDF gauge	1.898	0.989		0.604	3.77649	4.2293	2.253 4
Shot11	Cu (5 mm) + JB-9014 sample	1.893	1.003		0.639	4.00000	4.8385	2.252 9
Shot12	x2 (5 mm)+ Cu (15 mm)	1.889	1.074		0.813	4.135 71	6.350 0	2.3562

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