混合炸药爆速预报的新方法

韩早; 王伯良

doi:10.11883/1001-1455(2014)04-0421-06

混合炸药爆速预报的新方法

doi: 10.11883/1001-1455(2014)04-0421-06

韩早,
王伯良^,

南京理工大学化工学院，江苏南京 210094

详细信息

作者简介:
韩早(1983—), 男, 博士研究生

中图分类号: O381
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- 被引次数: 6
出版历程
- 收稿日期: 2012-11-29
- 修回日期: 2013-03-11
- 刊出日期: 2014-07-25

A new method for predicting detonation velocity of composite explosive

Han Zao,
Wang Bo-liang^,

School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China

More Information

Corresponding author: Wang Bo-liang, boliangwang@163.com

摘要

摘要: 为了提高混合炸药爆速尤其是含铝混合炸药爆速的计算精度，基于体积加权法思路构造一种新的混合炸药爆速计算公式，对近50种常见的混合炸药配方进行了计算，并与实验值进行对比，结果很好吻合，最大误差低于3%，平均误差低于1%，与BKW和Urizar常用方法相比，计算精度有显著提高。
- 爆炸力学 /
- 爆速计算 /
- 体积加权法 /
- 混合炸药 /
- 含铝炸药
Abstract: In order to predict detonation velocity of composite explosive accurately (esp. aluminium-containing explosive), a new equation of predicting detonation velocity of composite explosive was derived in the weighted-volume method. With the new equation, prediction of detonation velocity was carried out for more than 50 kinds of composite explosive. The predictions show a good agreement with the experiment data. The maximum error of prediction was less than 3%. The average error of prediction was less than 1%. Compared with that of commonly used methods such as BKW and Urizar, the prediction accuracy of the new equation was significantly improved.
- mechanics of explosion /
- prediction of detonation velocity /
- weighted-volume method /
- composite explosive /
- aluminium-containing explosive

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表 1 炸药的爆速和爆速方程

Table 1. Equation of detonation velocity

炸药	ρ₀/(g·cm^-3)	ρ_TMD/(g·cm^-3)	D_max/(km·s^-1)	a	K
RDX	0.44~1.80	1.816	8.910	2.395	3.589
TNT	1.00~1.65	1.654	7.020	2.256	2.880
HMX	1.00~1.90	1.900	9.080	1.987	3.733
RDX 60/TNT 40	1.02~1.72	1.742	8.066	2.713	3.073
OCTOL	1.21~1.81	1.835	8.516	2.525	3.265

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表 2 Urizar公式中使用的部分特征爆速

Table 2. Characteristic detonsation velocities of Urizar formula

材料	D_i/(km·s^-1)	ρ_TMD/(g·cm^-3)
RDX	8.800	1.81
TNT	6.970	1.65
HMX	9.150	1.9
Estane	5.520	1.20
Teflon	5.330	2.15
Viton A	5.390	1.82
Al	6.850	2.70
AP	6.250	1.95
Air	1.500	-

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表 3 部分物质的特征爆速与特征斜率

Table 3. Characteristic slope of some materials

炸药	D_max/(km·s^-1)	K	ρ_max/(g·cm^-3)
TNT	7.020	2.880	1.654
RDX	8.800	3.744	1.816
HMX	9.182	4.506	1.905
PETN	8.300	3.460	1.770
Al(Ⅰ)	5.545	3.500	2.700
Al(Ⅱ)	6.850	5.000	2.700
WAX	6.800	4.523	1.090
Viton A	5.390	2.188	1.820
Graphite	5.400	0.930	2.250

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表 4 采用新方法计算的普通混合炸药爆速计算结果

Table 4. Comparison of detonation velocity calculated by the new method with other method

No.	炸药	ρ₀/ (g·cm^-3)	D_exp/ (km·s^-1)	D_BKW/ (km·s^-1)	ε_BKW/%	D_new/ (km·s^-1)	ε_new/%
1	Comp B(RDX 64/TNT 36)	1.713	8.03	8.08	0.62	8.04	0.12
2	Comp B(RDX 60/TNT 40)	1.700	7.80	-	-	7.71	-1.15
3	Octol (HMX 76.3/TNT 23.7)	1.809	8.47	8.55	0.94	8.50	0.35
4	Octol (HMX 72.4/TNT 27.6)	1.810	8.48	-	-	8.47	-0.12
5	CYCLOTOL (RDX 77/TNT 23)	1.743	8.25	8.31¹⁾ 7.91²⁾	0.73 -4.12	8.31	0.73
6	HBX-O(RDX 48.9 /TNT 46.1/WAX 5)	1.620	-	7.60¹⁾ 7.33²⁾	-	7.65	-
7	Pentolite (PETN 50/TNT 50)	1.650	7.46	7.74¹⁾ 7.47²⁾	3.75 0.13	7.47	0.13
8	EDC-24(HMX 95/WAX 5)	1.776	8.71	8.63	-0.92	8.70	-0.11
ε					1.54		0.39
1)RDX爆速; 2)TNT爆速。

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表 5 采用新方法计算的含铝非理想炸药爆速计算结果

Table 5. Comparison of detonation velocity calculated by the new method with other method

No.	炸药	ρ₀/ (g·cm^-3)	D_exp/ (km·s^-1)	D_BKW/ (km·s^-1)	ε_BKW/%	D_Urizar/ (km·s^-1)	ε_Urizar/%	D_new/ (km·s^-1)	ε_new/%
9	RDX 90/Al 10	1.68	8.03^[9]	8.08^[9]	0.62	7.96	-0.87	7.97	-0.75
10	RDX 80/Al 20	1.73	7.77^[9]	7.81^[9]	0.51	7.81	0.51	7.74	-0.39
11	RDX 70/Al 30	1.76	7.58^[9]	7.49^[9]	-1.19	7.56	-0.26	7.40	-2.37
12	RDX 60/Al 40	1.84	7.20^[9]	6.93^[9]	-3.75	7.45	3.47	7.22	0.88
13	RDX 50/Al 50	1.89	6.81^[9]	5.78^[9]	-15.12	7.23	6.17	6.87	0.88
14	TNT 89.4/Al 10.6	1.72	7.05^[9]	7.02^[9]	-0.43	6.96	-1.28	7.06	0.14
15	TNT 78.3/Al 21.7	1.80	7.05^[9]	6.59^[9]	-6.52	6.95	-1.42	7.04	-0.14
16	TNT 67.8/Al 32.2	1.89	7.05^[9]	6.36^[9]	-9.79	6.95	-1.42	7.08	0.43
17	TNT 80/Al 20	1.72	6.70^[9]	-	-	6.75	0.75	6.65	-0.75
18	HBX-1	1.72	7.22	7.27	0.69	7.39	2.35	7.35	1.80
19	HBX-1	1.71	7.31^[9]	7.38^[9]	0.96	7.35	0.55	7.31	0
20	HBX-3	1.84	7.12^[9]	6.91^[9]	-2.95	7.24	1.69	6.99	-1.83
21	HBX-3	1.81	6.91	6.85	-0.87	7.15	3.47	6.88	-0.43
22	Alex20	1.801	7.53	7.49	-0.53	7.68	1.99	7.56	0.4
23	Alex32	1.88	7.30	7.06	-3.29	7.53	3.15	7.34	0.55
24	DESTEX	1.68	6.65	6.44	-3.17	6.69	0.60	6.65	0
25	RDX 42.1/TNT 42.1 /WAX 0.8/Al 15	1.757	7.49^[6]	-	-	7.53	0.53	7.46	-0.40
26	RDX 42.1/TNT 42.1 /WAX 0.8/Al 15	1.759	7.51^[6]	-	-	7.53	0.27	7.47	-0.53
27	Tropex	1.81	7.49	-	-	7.60	1.47	7.51	0.27
28	RDX 41/TNT 41 /Al 18	1.81	7.53	-	-	7.59	0.80	7.50	-0.40
29	H6	1.71	7.19	7.23	0.56	7.35	2.23	7.26	0.97
30	RDX 76/Al 20 /WAX 4	1.77	8.08^[6]	-	-	7.93	-1.86	7.96	-1.49
31	Al-X(HMX 51 /氟橡胶9/Al 40)	2.00	7.05^[6]	-	-	7.59	7.66	7.04	-0.14
32	HMX 85/氟橡胶15	1.86	8.46^[6]	-	-	8.44	-0.24	8.44	-0.24
ε					3.10		1.75		0.663

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表 6 采用新方法计算的低密度混合炸药爆速计算结果

Table 6. Comparison of detonation velocity calculated by the new method with other method

No.	炸药	ρ₀/ (g·cm^-3)	D_exp/ (km·s^-1)	D_Urizar/ (km·s^-1)	ε_Urizar/%	D_new/ (km·s^-1)	ε_new/%
33	RDX 45/TNT 30/Al 25	1.15	4.60^[6]	5.47	18.91	4.58	-0.43
34	RDX 60/TNT 40	1.00	5.65^[6]	5.45	-3.54	5.61	-0.71
35	TNT	1.44	6.35^[6]	6.30	-0.79	6.42	1.10
36	TNT 85/Al 15(270 μ)	1.44	6.07^[6]	6.03	-0.66	6.03	-0.66
37	TNT 85/Al 15(0.2 μ)	1.44	5.75^[6]	6.03	4.87	5.90	2.61
38	TNT 85/Al 15(270 μ)	1.69	6.76^[6]	6.99	3.40	6.72	-0.59
39	TNT 85/Al 15(0.2 μ)	1.69	6.84^[6]	6.99	2.19	6.85	0.15
ε					4.80		0.94

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表 7 含铝炸药实验验证计算结果

Table 7. Comparison of detonation velocity calculated by the new method with other method

No.	炸药	ρ₀/ (g·cm^-3)	D_exp/ (km·s^-1)	D_Urizar/ (km·s^-1)	ε_Urizar/%	D_new/ (km·s^-1)	ε_new/%
40	RDX 74/Al 20/添加剂6	1.68	7.57	7.41	-2.11	7.51	-0.79
41	RDX 64/Al 30/添加剂6	1.74	7.28	7.27	-0.14	7.27	-0.14
42	RDX 54/Al 40/添加剂6	1.80	6.89	7.12	3.34	7.01	1.74
43	RDX 44/Al 50/添加剂6	1.86	6.88	6.92	0.58	6.69	-2.76
44	RDX 34/Al 60/添加剂6	1.94	6.58	6.77	2.89	6.43	-2.28
ε					1.76		1.33

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