|本期目录/Table of Contents|

[1]李金河,汪斌,王彦平,等.不同装药形状TNT水中爆炸近场冲击波传播的实验研究[J].火炸药学报,2018,41(5):461-464,500.[doi:10.14077/j.issn.1007-7812.2018.05.007]
 LI Jin-he,WANG Bin,WANG Yan-ping,et al.Experimental Study on Near-field Shock Wave Propagation of Underwater Explosion of TNT with Different Charge Shapes[J].,2018,41(5):461-464,500.[doi:10.14077/j.issn.1007-7812.2018.05.007]
点击复制

不同装药形状TNT水中爆炸近场冲击波传播的实验研究()
     
分享到:

《火炸药学报》[ISSN:1007-7812/CN:61-1310/TJ]

卷:
41卷
期数:
2018年第5期
页码:
461-464,500
栏目:
出版日期:
2018-10-31

文章信息/Info

Title:
Experimental Study on Near-field Shock Wave Propagation of Underwater Explosion of TNT with Different Charge Shapes
作者:
李金河 汪斌 王彦平 黄学义 畅里华 王旭
1. 中国工程物理研究院流体物理研究所冲击波物理与爆轰物理重点实验室, 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
Author(s):
LI Jin-he WANG Bin WANG Yan-ping HUANG Xue-yi CHANG Li-hua WANG Xu
1. National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang Sichuan 621999, China;
2. Institute of Fluid Physics, CAEP, Mianyang Sichuan 621999, China
关键词:
水中爆炸装药形状近场冲击波同时分幅扫描超高速摄影系统
Keywords:
underwater explosioncharge shapenear fieldshock waveultrahigh-speed photography system with simultaneous split-amplitude scan
分类号:
TJ55;O347.5
DOI:
10.14077/j.issn.1007-7812.2018.05.007
文献标志码:
-
摘要:
为了研究TNT装药形状对其水中爆炸近场冲击波的影响,以SR35mm球形及Φ60 mm×66 mm和Φ25 mm×50 mm柱形TNT炸药为研究对象,利用自行研制的同时分幅扫描超高速光电摄影系统,在同一发实验中同时获得TNT炸药水中爆炸近场冲击波传播过程的分幅扫描图像和轴向扫描图像。分幅扫描结果表明,装药形状对近场冲击波的演化过程有较大影响,长径比越大,初始冲击波越细长。近场冲击波在传播过程中逐渐球形化,球形化的中心位于炸药的质心,说明远场冲击波的传播与装药形状及起爆方式无关。轴向扫描结果表明,柱形装药端面起爆时,沿起爆轴线方向2倍装药范围内,近场冲击波压力具有明显的定向增益,长径比越大,轴向峰值压力衰减越快。
Abstract:
To research the influence of charging shape on the near-field shock wave of underwater explosion of TNT, the spherical TNT charge of SR35mm and cylindrical TNT charge of Φ60 mm×66 mm and Φ25 mm×50 mm were selected as the research objects. In the same experiment, the framing scanning images and axial scanning images in the near-field shock wave propagation process of underwater explosion of TNT were achieved simultaneously by the self-developed ultrahigh-speed photoelectric photography system with simultaneous framing scan. The framing images show that the charge shapes have a great influence on the evolution of the near-field shock wave. The bigger the ratio of length to diameter,the more slender the initial shock wave. In the process of propagation, the near-field shock wave gradually becomes spherical, and the spherical center is located at the center of mass of explosive,which shows that the propagation of far-field shock wave is independent of the charge shapes and the initiation modes. The scanning results show that when the cylinder charge initiates at the side face, the pressure of near-field shock wave along the axis of initiation within two times charge range has an obvious directional grain, and the bigger the ratio of length to diameter,the faster the attenuation of axial peak pressure.

参考文献/References:

[1] Murata K, Takahashi K, Kato Y. Precise measurements of underwater explosion phenomena by pressure sensor using fluoropolymer[J]. Journal of Materials Processing Technology, 1999:39-42.
[2] 池家春,马冰. TNT/RDX(40/60)炸药球水中爆炸波研究[J]. 高压物理学报,1999,13(3):199-204. CHI Jia-chun, MA Bing. Underwater explosion wave by a spherical charge of composition B23[J]. Chinese Journal of High Pressure Physics, 1999, 13(3):199-204.
[3] Kira A, Fujita M, Itoh S. Underwater explosion of spherical explosives[J]. Journal of Materials Processing Technology, 1999:64-68.
[4] Dorsett H, Cliff M D. Detonation front curvature measurements and aquarium tests of tritonal variants, DSTO-TR-1411[R]. Australia:Defence Science & Technology Organization, 2003.
[5] LU Jing-ping, Dorsett H. Simulation of aquarium for PBXW-115(AUST)[C]//12th International Detonation Symposium. San Diego:NSWC, 2002:575-587.
[6] Liddiard T P, Forbes J W. Shockwaves in fresh water generated by the detonation of pentolite spheres, NSWC TR 82-488[R]. Maryland:Naval Surface Weapons Center, 1982.
[7] 赵继波,谭多望,李金河,等. TNT药柱水中爆炸近场压力轴向衰减规律[J]. 爆炸与冲击,2008,28(6):539-543. ZHAO Ji-bo,TAN Duo-wang,LI Jin-he, et al. Axial pressure damping of cylindrical TNT charges in the near underwater-explosion field[J]. Explosion and Shock Waves, 2008,28(6):539-543.
[8] 赵继波,李金河,谭多望,等. 铝氧比对水中爆炸近场冲击波的影响[J]. 含能材料, 2009,17(4):420-423. ZHAO Ji-bo,LI Jin-he,TAN Duo-wang, et al. Effects of ratios of aluminum to oxygen on shock wave of cylindrical charge at underwater explosive closed field[J]. Chinese Journal of Energetic Materials,2009,17(4):420-423.
[9] 李金河,赵继波,谭多望,等.不同起爆方式对含铝炸药水中爆炸近场冲击波压力的影响[J]. 高压物理学报,2012,26(3):289-293. LI Jin-he,ZHAO Ji-bo,TAN Duo-wang, et al. Effect on the near field shock wave pressure of underwater explosion of aluminized explosive at different initiation modes[J]. Chinese Journal of High Pressure Physics, 2012,26(3):289-293.
[10] Lloyd H. Underwater shock wave characteristics of cylindrical charge, DSTO-GD-0029[R]. Melbourne:Aeronautical and Maritime Research Laboratory,1998.
[11] 畅里华,何徽,温伟峰,等.炸药柱面内爆磁通量压缩超高速同时分幅/扫描摄影技术[J].强激光与粒子束,2015,27(11):115002-1-115002-6. CHANG Li-hua,HE Hui,WEN Wei-feng et al. Ultrahigh-speed simultaneous framing and streak photography of magnetic flux compression by cylindrical implosion[J]. High Power Laser and Particle Beams,2015,27(11):115002-1-115002-6.
[12] Л П奥尔连科, 爆炸物理学[M].孙承纬, 译. 北京:科学出版社, 2011:601.

相似文献/References:

[1]肖川 宋浦 梁安定.炸药水中爆炸规律的研究进展[J].火炸药学报,2006,29(6):19.
[2]辛春亮,徐更光,刘科种,等.含铝炸药与理想炸药能量输出结构的数值模拟[J].火炸药学报,2007,30(4):6.
[3]宋 浦,肖 川,梁安定,等.不同起爆方式对TNT水中爆炸作用的影响[J].火炸药学报,2008,31(2):75.
[4]汪斌,王彦平,张远平.有限水域气泡脉动实验方法研究[J].火炸药学报,2008,31(3):32.
[5]史锐,徐更光,刘德润,等.炸药爆炸能量的水中测试与分析[J].火炸药学报,2008,31(4):1.
[6]宋浦,肖川,梁安定,等.炸药空中与水中爆炸冲击波超压的换算关系[J].火炸药学报,2008,31(4):10.
[7]庞军.TNT装药水中爆炸的数值模拟[J].火炸药学报,2009,32(5):37.
[8]胡宏伟,王建灵,徐洪涛,等.RDX基含铝炸药水中爆炸近场冲击波特性[J].火炸药学报,2009,32(2):1.
 HU Hong wei,WANG Jian ling,XU Hong tao,et al.Underwater Shock Wave Characteristics of RDXbased Aluminized Explosives in Nearfield Range[J].,2009,32(5):1.
[9]赵继波,谭多望,张远平,等.PVDF计在水中爆炸近场压力测试中的应用[J].火炸药学报,2009,32(3):1.
 ZHAO Ji bo,TAN Duo wang,ZHANG Yuan ping,et al.Application of PVDF Sensor in Underwater Explosive Shock Wave Measurement at NearField[J].,2009,32(5):1.
[10]胡宏伟,王建灵,郭炜,等.刚性池壁和试验支架对水中爆炸气泡脉动周期的影响[J].火炸药学报,2010,33(4):60.
 HU Hong-wei,WANG Jian-ling,GUO Wei,et al.Effect of Rigid Wall and Experimental Holder on Period of Bubble Pulsation of Underwater Explosion[J].,2010,33(5):60.

备注/Memo

备注/Memo:
收稿日期:2018-04-18;改回日期:2018-07-08。
基金项目:NSAF联合基金(U1430236)
作者简介:李金河(1979-),男,副研究员,从事水中爆炸冲击波以及炸药安全性研究。E-mail:leejinhe103@163.com
通讯作者:汪斌(1980-),男,副研究员,从事爆炸力学相关研究。E-mail:wbin98221@163.com
更新日期/Last Update: 1900-01-01