[1]李成龙,关华.Mg4Al3/CuO/Pb3O4爆响剂的配方优化及声辐射特征[J].爆破器材,2016,45(04):9-13.[doi:10.3969/j.issn.1001-8352.2016.04.002]
 LI Chenglong,GUAN Hua.Optimization of Mg4Al3/CuO/Pb3O4 Explosive Agent and Its Acoustic Radiation Characteristics[J].EXPLOSIVE MATERIALS,2016,45(04):9-13.[doi:10.3969/j.issn.1001-8352.2016.04.002]
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Mg4Al3/CuO/Pb3O4爆响剂的配方优化及声辐射特征()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
45
期数:
2016年04
页码:
9-13
栏目:
基础理论
出版日期:
2016-07-12

文章信息/Info

Title:
Optimization of Mg4Al3/CuO/Pb3O4 Explosive Agent and Its Acoustic Radiation Characteristics
文章编号:
5021
作者:
李成龙关华
南京理工大学化工学院(江苏南京,210094)
Author(s):
LI Chenglong GUAN Hua
School of Chemical Engineering, Nanjing University of Science & Technology (Jiangsu Nanjing, 210094)
关键词:
烟火药Mg4Al3/CuO/Pb3O4爆响剂配方优化水下燃烧声压级
Keywords:
pyrotechnic Mg4Al3/CuO/Pb3O4 explosive agent optimization of formulation underwater combustion sound pressure level (SPL)
分类号:
TQ567
DOI:
10.3969/j.issn.1001-8352.2016.04.002
文献标志码:
A
摘要:
为了寻求具有宽频特征的燃烧型烟火水声药剂材料,基于爆炸声具有水声频带较宽的特点,将Mg4Al3/CuO/Pb3O4爆响剂引入水下。首先,研究Mg4Al3/CuO/Pb3O4爆响剂中Pb3O4组分含量变化对A声压级的影响规律,并优选出A声压级最高的药剂,制成样品,并在水下点燃,利用水声测试系统研究其声频特征。结果表明,Mg4Al3/CuO/Pb3O4爆响剂A声压级随着Pb3O4含量的增加而增大,当外加Pb3O4的质量分数为75%~100%时,A声压级最高,可达到108.3 dB。将此Mg4Al3/CuO/Pb3O4爆响剂与烟火药制成样品,在水下点燃,产生的水声频率覆盖0~8 000 Hz,且出现锯齿形峰,0~1 000 Hz范围内最大声压级为116 dB。因此,Mg4Al3/CuO/Pb3O4爆响剂可作为一种潜在水声干扰材料。
Abstract:
In order to obtain a combustible pyrotechnic material with a characteristic of broadband, which can be used as an underwater acoustic agent, Mg4Al3/CuO/Pb3O4 explosive agent was studied basing on the wide frequency band of underwater detonation.Effect of Pb3O4 content in Mg4Al3/CuO/Pb3O4 explosive agent on the A-weighted sound pressure level (SPL) , was researched, and agent with the hig hest A-weighted SPL was selected. The sample made from the optimal agent was lighted underwater, and the acoustic features were analyzed by an acoustic test system.Results show that A-weighted SPL of the Mg4Al3/CuO/Pb3O4 explosive agent increases with the increasing of Pb3O4 content.When mass fraction of Pb3O4 is 75% -100%, its SPL is the highest, which can reach to 108.3 dB.When samples made from the explosive agent with the highest SPL and the pyrotechnicis lighted underwater,the acoustic frequency of detonation could cover from 0 to 8 000 Hz, jagged peaks appears, and the highest SPL is 116 dB in the range of 0 to 1 000 Hz. So pyrotechnic can be used as a potential acoustic jamming material.

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备注/Memo

备注/Memo:
收稿日期:2015-09-23
作者简介:李成龙(1990-),男,硕士,主要从事军事烟火技术的研究。E-mail:lclzzz@126.com
通信作者:关华(1965-),女,博士,教授,主要从事无源干扰与光电对抗研究。E-mail:guanhua@njust.edu.cn
更新日期/Last Update: 2016-07-11