Experimental Study of the Characteristics of Internal Explosion Pressure and Power of Thermobaric Explosive
ZHANG Yu-lei， LI Zhi-rong， JIANG Hai-yan， ZHAI Hong-bo， YUAN Jian-fei， ZHONG Kai
Author information+
(Xi'an Modern Chemistry Research Institute, Xi'an 710065, Shaanxi, China)
{{custom_zuoZheDiZhi}}
{{custom_authorNodes}}
{{custom_bio.content}}
{{custom_bio.content}}
{{custom_authorNodes}}
Collapse
History+
Received
Revised
Published
2017-10-15
2017-10-15
2018-07-30
Issue Date
2018-08-24
Abstract
In order to study the internal explosion overpressure and power of thermobaric explosive (TBX), the calculation models of shockwave overpressure and quasi-static pressure are established through the theoretical analysis. TBX and TNT grains are tested in explosion vessel. The result shows that the pressure effect induced by internal explosion includes shockwave overpressure and quasi-static pressure. The rise of the quasi-static pressure is accompanied by the multiple reflections of shockwave. When the reflection is over, the quasi-static pressure goes up to the maximum and lasts for a relatively long time. The overpressure peak and quasi-static pressure peak of TBX are increased by 18.0% and 62.9%, respectively, compared with TNT. The TNT equivalents of TBX which are calculated based on overpressure and quasi-static pressure are 1.18 and 1.63, respectively. Key
ZHANG Yu-lei， LI Zhi-rong， JIANG Hai-yan， ZHAI Hong-bo， YUAN Jian-fei， ZHONG Kai.
Experimental Study of the Characteristics of Internal Explosion Pressure and Power of Thermobaric Explosive. Acta Armamentarii. 2018, 39(7): 1333-1338 https://doi.org/10.3969/j.issn.1000-1093.2018.07.011
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
References
［1］胡宏伟，肖川，李丽，等．有限空间炸药装药内爆炸威力的评估方法综述［J］.火炸药学报，2013，36（4）：1-6. HU Hong-wei，XIAO Chuan，LI Li，et al. Review on evaluation methods of blast power in confined space［J］.Chinese Journal of Explosives & Propellants，2013，36（4）：1-6．(in Chinese) ［2］李芝绒，翟红波，闫潇敏，等．一种温压内爆炸准静态压力测量方法研究［J］.传感器技术学报，2016，29（2）：208-212. LI Zhi-rong，ZHAI Hong-bo，YAN Xiao-min,et al. Test method research for the quasi-static pressure on inside-explosive［J］.Chinese Journal of Sensors and Actuators，2016，29（2）：208-212.(in Chinese) ［3］徐维铮，吴卫国.泄口大小对约束空间爆炸准静态超压载荷的影响规律［J］.高压物理学报，2017，31（5）：619-628. XU Wei-zheng，WU Wei-guo. Effects of size of venting holes on the characteristics of quasi-static overpressure in confined space［J］.Journal of High Pressure Physics，2017，31（5）：619-628.(in Chinese) ［4］BakerW E. The elastic-plastic response of thin spherical shells to internal blast loading［J］．Journal of Applied Mechanics，1960，27（1）： 139-144. ［5］Duffey T A，Romero C. Strain growth in spherical explosive chambers subjected to internal blast loading［J］.International Journal of Impact Engineering，2003，28(9)：967-983. ［6］曹玉忠，卢泽生，管怀安，等．抗爆容器内爆炸流场数值模拟［J］．高压物理学报，2001，15（2）：127-133． CAO Yu-zhong，LU Ze-sheng，GUAN Huai-an，et al．Numerical simulation of blast flowfields in closed blast-resistant containers［J］.Journal of High Pressure Physics，2001，15（2）：127-133. (in Chinese) ［7］张亚军，张梦萍，徐胜利，等.爆炸容器内冲击波系演化及壳体响应的数值研究［J］.爆炸与冲击，2003，23（4）：331-336. ZHANG Ya-jun，ZHANG Meng-ping，XU Sheng-li，et al. Numerical investigation on blast wave propagation and dynamic response of an explosion vessel［J］.Explosion and Shock Waves，2003，23（4）： 331-336. (in Chinese) ［8］Tassia D P E．Internal blast test to support the tomahawk and APET programs［C］∥Insensitive Munitions & Energetic Materials Technology Symposium．San Diego，CA，US：NDIA，1996． ［9］Lee R J，Newman K E，Chemoff D G，et al. Combined initial air blast and quasi-static overpressure assessment for pressed aluminized explosives［C］∥Proceedings of the 14th International Detonation Symposium．ID，US：Office of Naval Research，2010.
［10］金朋刚，郭炜，王建灵，等.密闭条件下TNT的爆炸压力特性［J］.火炸药学报，2013，36（3）：39-41. JIN Peng-gang，GUO Wei，WANG Jian-ling，et al. Explosion pressure characteristics of TNT under closed condition［J］.Chinese Journal of Explosives & Propellants，2013，36（3）：39-41． (in Chinese) ［11］王等旺，张德志，李焰，等.爆炸容器内准静态气压实验研究［J］．兵工学报，2012，33（12）：1493-1497. WANG Deng-wang，ZHANG De-zhi，LI Yan，et al. Experiment investigation on quasi-static pressure in explosion containment vessels［J］.Acta Armamentarii，2012，33（12）：1493-1497. (in Chinese) ［12］北京工业学院八系．爆炸及其作用：下册［M］．北京：国防工业出版社，1979:259-274． Eighth Department，Beijing Institute of Technology. Explosion and its effects (II)［M］. Beijing: National Defense Industry Press, 1979:259-274. (in Chinese) ［13］钟巍，田宙.等压假设下考虑化学反应动力学影响的约束爆炸准静态压力的计算［J］.爆炸与冲击，2013，33（4）：375-380. ZHONG Wei，TIAN Zhou. Calculation of quasi-static pressure for confined explosions considering chemical reactions under isobaric assumption［J］.Explosion and Shock Waves，2013，33（4）：375-380. (in Chinese) ［14］AhmedK M，Hosam E K， Elbasuney S. Nanoscopic fuel-rich thermobaric formulations: chemical composition optimization and sustained secondary combustion shock wave modulation［J］.Journal of Hazardous Materials，2016，301：492-503. ［15］张玉磊，苏健军，姬建荣，等.测试方法对炸药TNT当量计算结果的影响［J］.火炸药学报，2014，37（3）：16-19. ZHANG Yu-lei，SU Jian-jun，JI Jian-rong，et al.Effect of overpressure test method on calculated results of TNT equivalence［J］．Chinese Journal of Explosives & Propellants，2014，37（3）： 16-19. (in Chinese)
