[1]王红星,高杰,沈飞,等.一种DNAN/DNTF基不敏感炸药金属驱动能力的研究[J].爆破器材,2020,49(04):21-26.[doi:10.3969/j.issn.1001-8352.2020.04.004]
　WANG Hongxing,GAO Jie,SHEN Fei,et al.Metal Acceleration Ability of a DNAN/DNTF-based Insensitive Explosive[J].EXPLOSIVE MATERIALS,2020,49(04):21-26.[doi:10.3969/j.issn.1001-8352.2020.04.004]
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一种DNAN/DNTF基不敏感炸药金属驱动能力的研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
49
期数:
2020年04
页码:
21-26
栏目:
基础理论
出版日期:
2020-07-03

文章信息/Info

Title:
Metal Acceleration Ability of a DNAN/DNTF-based Insensitive Explosive
文章编号:
5450
作者:
王红星; 高杰; 沈飞; 王晓峰
西安近代化学研究所（陕西西安，710065）
Author(s):
WANG Hongxing;  GAO Jie;  SHEN Fei;  WANG Xiaofeng
Xi’an Modern Chemistry Research Institute (Shaanxi Xi’an, 710065)
关键词:
爆炸力学; 复合载体; 圆筒试验; 金属驱动能力; JWL
Keywords:
explosion mechanics; composite carrier; cylinder test; accelerating ability; JWL
分类号:
TJ55
DOI:
10.3969/j.issn.1001-8352.2020.04.004
文献标志码:
A
摘要:
为了研究复合载体DNAN/DNTF对熔铸炸药金属加速能力的影响，设计了一种复合载体基熔铸炸药[m(DNAN)∶m(DNTF)∶m(HMX)=20∶5∶75］，研究其金属加速能力和JWL状态方程，并与Octol炸药进行对比。通过Φ50 mm圆筒试验，获得了圆筒壁膨胀位移与时间的关系，计算了爆轰产物在特定相对比容下的比动能及装药的格尼系数，并依据圆筒试验数据拟合了该炸药的爆轰产物的JWL状态方程。结果表明：DNTF对炸药的金属加速做功能力有促进作用，复合载体基熔铸炸药的格尼速度为2.93 mm/μs，较单一DNAN基炸药提高7.7%，较Octol炸药［m（TNT）∶m（HMX）=25∶75］提高4.6%。计算值与试验结果吻合，表明圆筒试验得到的爆轰产物JWL状态方程参数是有效的。
Abstract:
In order to study the effect of composite carrier（DNAN/DNTF）on the acceleration ability of molten explosive metal, a kind of composite carrier based molten explosive [m(DNAN)∶1m(DNTF)∶m(HMX)）=20∶5∶75］was designed. Its metal acceleration ability and JWL state equation were studied in comparison with Octol explosive. Through the Φ50mm cylinder test, the the expansion displacement of cylinder wall history over time was obtained, the specific kinetic energy of detonation product and the gunny coefficient of charge were calculated under the specific relative volume, and the JWL state equation of explosive product was fitted according to the cylinder test data. The results show that DNTF can promote the metal acceleration of explosives. The Gurney velocity of composite carrier based melt cast explosives is 2.93 mm/μs, which is 7.7% higher than that of single DNAN carrier based explosives and 4.6% higher than that of Qctol explosives ［m（TNT）∶m（HMX）=25∶75］. The calculated values are in good agreement with the experimental results, indicating that the parameters of JWL equation of state for detonation products obtained from the cylinder test are effective.

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备注/Memo

备注/Memo:
收稿日期：2020-01-06
第一作者：王红星（1981－），男，副研究员，研究方向为熔铸炸药技术。E-mail :hxwang204@126.com
通信作者：王晓峰（1967－），男，研究员，研究方向为混合炸药技术。E-mail :wangxf_204@163.com
更新日期/Last Update: 2020-07-02