【作者】 胡栋； 薛米安； 吴旌贺； 叶松； 李成兵； 祝文军； 杨向东； 黄中伟； 杨向荣；

【Author】 Xue Mi-an~(1,2),Wu Jing-he~(1,2),Ye Song~(1,2),Li Cheng-bing~2,Zhu Wen-jun~2,Hu Dong~2, Yang Xiang-dong~1,Huang Zhong-wei~3,Yang Xiang-rong~3 (1.Institute of Atomic and Molecular Physics,Sichuan University,Chengdu 610065 2.National Key Laboratory for Shock Wave and Detonation Physics Research,Institute of Fluid Physics, CAEP,Mianyang 621900 3.School of Civil Engineering,Shenzhen University,Shenzhen 518060)

【机构】 中物院流体物理所冲击波物理与爆轰物理国家级重点实验室； 四川大学原子与分子物理研究所； 深圳大学土木工程学院；

【摘要】 利用激波管实验测出了RDX及RDX和纳米锌粉部分反应产物NO₂、H、C₂、O、CO、CH₂O、CO₂、H₂O和ZnO的出现时间及辐射强度,结果表明:在每发实验中NO₂均是首先出现的,和文献中的理论计算结果符合的较好。少量纳米锌粉参与反应缩短点火延迟时间20%左右,激波传播速度和爆炸温度分别增加两倍和三倍多,有效的增强了RDX的爆炸效能。研究了CO₂、H₂O和O₂在纳米锌粉对RDX快速催化反应中的作用,结果表明:少量O₂使RDX的点火延迟时间缩短了30%左右;H₂O的作用不明显;少量CO₂使点火延迟时间延长了30%左右,产物辐射强度随着CO₂的增加而减少,实验表明:纳米锌粉和O₂的反应是主要的。更多还原

【Abstract】 The fast catalysis reaction of zinc nanoparticles on RDX was investigated in normal incident shock waves. The emergence time and emission intensity of partial products such as NO2,H,C2,O,CO,CH2O,CO2,H2O and ZnO etc.,which belong to RDX and zinc nanoparticles + RDX respectively,were measured.All the experimental results indicate that NO2 appears firstly at each experiment,which accord with the theoretical result.A little zinc nanoparticles reacting with RDX that can not only shorten the ignition delay time 20%but also enhance shockwave diffusion velocity two times and temperature three times.CO2,H2O and O2 of different concentration were introduced into the reaction between zinc nanoparticles and RDX,respectively,which note that O2 made the ignition delay time shorten above 30%;H2O was not prominent;CO2 made the ignition delay time lag around 30%.The results indicate that the reaction of zinc nanoparticles and O2 is main.更多还原