飞片式引信微爆炸序列传爆/隔爆性能仿真  

Simulation on Detonation Transfer/Explosion Interruption Performance of Flyer-type Fuze Micro-explosive Train

作　　者：阚文星 冯恒振 娄文忠[1] 田中旺[2] 范晨阳 史永慧 KAN Wenxing;FENG Hengzhen;LOU Wenzhong;TIAN Zhongwang;FAN Chenyang;SHI Yonghui(School of Mechatronical Engineering,Beijing Institute of Technology,Beijing 100081,China;Xi'an Institute of Electromechanical Information Technology,Xi'an 710065,Shaanxi,China;Beijing Institute of Mechanical and Electrical Engineering,Beijing 100074,China)

机构地区：[1]北京理工大学机电学院,北京100081 [2]西安机电信息技术研究所,陕西西安710065 [3]北京机电工程研究所,北京100074

出　　处：《兵工学报》2024年第S01期10-19,共10页Acta Armamentarii

基　　金：机电动态控制重点实验室开放课题基金项目(6142601012304)。

摘　　要：微装药(叠氮化铜)尺寸、金属飞片厚度是影响引信微爆炸序列作用可靠性的关键因素。通过构建微装药驱动金属飞片型微爆炸序列传爆/隔爆能量传递/抑制模型,形成微装药尺寸、金属飞片厚度等尺寸边界的微爆炸序列设计方法。研究结果表明:当微装药直径大于0.8 mm,驱动金属飞片速度(2 200 m/s)增长趋缓;当微装药高度大于0.5 mm,金属飞片形成稳定运动速度,可以可靠起爆下一级装药;当微装药尺寸一定时,金属飞片速度随厚度增加而降低,飞片厚度由25μm增加到50μm,可以实现微爆炸序列可靠传爆。结合微机电系统引信安保机构隔爆滑块厚度仿真分析,验证得到0.2 mm的镍基滑块可以稳定实现飞片隔爆,最终形成飞片式引信微爆炸序列传爆/隔爆设计边界。The size of micro-charge(copper azide)and the thickness of metal flyer are the key factors affecting the reliability of fuze micro-explosive train.A detonation transfer/explosion-proof energy transfer/suppression model of metal flyer micro-explosive train driven by micro-charge is constructed,and a design method for micro-explosive train with size boundaries,such as micro-charge size and metal flyer thickness,is proposed.The research results indicate that the speed of metal flyer(2200 m/s)increases slowly when the diameter of micro-charge is greater than 0.8 mm.When the height of micro-charge is greater than 0.5 mm,the metal flyer moves at a stable speed,which can reliably detonate the next charge.When the size of micro-charge is constant,the speed of metal flyer decreases with the increase of its thickness.The thickness of the flyer increases from 25μm to 50μm,which can realize the reliable detonation of micro-explosive train.Through the simulation analysis of explosion-proof slider thickness of MEMS fuze security mechanism,it is verified that the 0.2 mm-thick nickel-based slider can stably realize the explosion interruption,and the detonation transfer/explosion interruption design boundaries of flyer-type fuze micro-explosive train are finally formed.

关 键 词：引信 微爆炸序列 飞片 传爆 隔爆 

分 类 号：TJ430[兵器科学与技术—火炮、自动武器与弹药工程]