[1]杨胜晖,郑波.含铝温压炸药的爆炸能量结构研究[J].爆破器材,2019,48(02):20-24.[doi:10.3969/j.issn.1001-8352.2019.02.004]
 YANG Shenghui,ZHENG Bo.Explosion Energy Structure of Aluminized Thermobaric Explosive[J].EXPLOSIVE MATERIALS,2019,48(02):20-24.[doi:10.3969/j.issn.1001-8352.2019.02.004]
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含铝温压炸药的爆炸能量结构研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
48
期数:
2019年02
页码:
20-24
栏目:
基础理论
出版日期:
2019-04-02

文章信息/Info

Title:
Explosion Energy Structure of Aluminized Thermobaric Explosive
文章编号:
5317
作者:
杨胜晖郑波
北京理工大学爆炸科学与技术国家重点实验室(北京,100081)
Author(s):
YANG Shenghui ZHENG Bo
State Key Laboratory of Explosive Science and Technology, Beijing Institute of Technology (Beijing, 100081)
关键词:
爆炸力学含铝温压炸药爆炸环境能量结构
Keywords:
explosion mechanics aluminized thermobaric explosives explosion atmosphere energy structure
分类号:
O381
DOI:
10.3969/j.issn.1001-8352.2019.02.004
文献标志码:
A
摘要:
为了研究黑索今(RDX)基含铝温压炸药的爆炸能量释放规律及爆炸能量输出结构,对5种含铝温压炸药的爆热和爆速进行了测试,利用绝热式爆热量热计测量了铝粉质量分数为30%的RDX基含铝温压炸药在真空、0.1 MPa氮气、0.1 MPa空气和1.0 MPa氧气环境下的爆炸能量,结合测试数据对试样的爆轰热、爆热和燃烧热进行理论计算。结果表明,RDX基含铝温压炸药的爆速随铝粉含量的增加而线性减小;爆热随铝粉含量的增加呈现先增大后减小的趋势,在铝粉质量分数为40%时,爆热达到最大值。试样在真空、0.1 MPa氮气、0.1 MPa空气、1.0 MPa氧气环境下的爆炸能量逐渐增加,环境压力的增大和气氛环境中氧含量的增加都会提高炸药的爆炸能量,富氧环境下的爆炸能量可以定量地表征炸药的燃烧热。样品的爆轰热占燃烧热的9.8%~26.4%,爆热占燃烧热的34.5%~50.0%,且这两个参数都随铝粉含量的增加而降低。
Abstract:
In order to study the rules of explosive energy release and the structure of explosive energy output, the detonation heat and detonation velocity of five kinds of aluminized thermobaric explosives were measured. The explosion energy of RDX-based aluminized explosive containing 30% (mass fraction) Al was measured by adiabatic detonation calori-meter under different atmosphere: vacuum, 0.1 MPa nitrogen, 0.1 MPa air and 1.0 MPa oxygen. The heat of explosion and combustion were calculated theoretically. The results show that the detonation velocity reduce linearly with the increa-sing of aluminum content. The detonation heat increases first and then decreases with the increasing of aluminum content, and the heat of explosion reaches a maximum value when the aluminum content is 40%. The explosion energy of the sample increased gradually in sequence of vacuum, 0.1 MPa nitrogen, 0.1 MPa air and 1.0 MPa oxygen; the increase of environmental pressure and oxygen content results in the increase of explosion energy. Explosion energy in oxygen-enriched environment can quantitatively characterize the combustion heat of explosives. Detonation supporting heat of the sample accounts for 9.8%-26.4% of the combustion heat, and the detonation heat accounts for 34.5%-50.0% of the combustion heat, and both of these parameters decrease with the increase of aluminum content.

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备注/Memo

备注/Memo:
收稿日期:2018-12-26
第一作者:杨胜晖(1995- ),男,硕士研究生,主要从事爆炸力学的研究。E-mail:1041415811@qq.com
通信作者:郑波(1960- ),男,博士,研究员,主要从事爆炸力学的研究。E-mail:zhengbo@bit.edu.cn
更新日期/Last Update: 2019-04-01