摘要
研究了材料廉价易得、制作工艺简单的铜铝双层复合药型罩,通过波阻抗匹配理论确定了铝铜厚度比值下限为1.33。利用AUTODYN软件对不同结构药型罩进行计算机模拟试验,发现铜铝厚度比为1∶1.5时铜铝双层复合药型罩射流性能最优,相比单层铜药型罩,射流头部速度提高了14.75%,0.05ms时射流长度提高了19.45%。本研究可以为工程应用提供参考。
This paper studied the Cu-Al composite charge liner,which has the advantages of material availability and simple technology.According to wave impedance matching theory,the thickness ratio lower limit of aluminum and copper was determined by1.33.By use of AUTODYN,the jet of different structure of liner was simulated.The simulation results indicated that the jet with Al/Cu thickness ratio of1.5has the best performance.Compared to copper liner,the head velocity of jet was improved14.75%,the jet length was prolonged19.45%at0.05ms.This study can provide a reference for engineering application.
作者
曹杰
王猛
胡坤伦
汪齐
何文
CAO Jie;WANG Meng;HU Kun-lun;WANG Qi;HE Wen(Ammunition Engineering and Explosion Technology Department, Anhui University of Science and Technology, Huainan,232001;School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000)
出处
《火工品》
CSCD
北大核心
2017年第3期14-17,共4页
Initiators & Pyrotechnics
基金
国家自然科学基金资助项目(51604127)
关键词
复合药型罩
聚能装药
结构
射流
数值模拟
Composite charge liner
Shaped charge
Structure
Jet
Numerical simulation
