聚乳酸射流对爆炸反应装甲的冲击起爆阈值研究  

Study on the impact initiation threshold of PLA jet on explosive reactive armor

作　　者：关思曼 王志军[1] 伊建亚 吉庆 Guan Siman;Wang Zhijun;Yi Jianya;Ji Qing(School of Mechanical and Electrical Engineering,North University of China,Taiyuan 030051,China;Northwest Institute of Mechanical and Electrical Engineering,Xianyang 712099,China)

机构地区：[1]中北大学机电工程学院,山西太原030051 [2]西北机电工程研究所,陕西咸阳712099

出　　处：《南京理工大学学报》2025年第1期67-74,共8页Journal of Nanjing University of Science and Technology

基　　金：国家自然科学基金(12402441);中国博士后科学基金(2024M760012);中北大学研究生科技立项资助课题(20242001)。

摘　　要：聚合物射流的穿而不爆技术可以有效地毁伤爆炸反应装甲。为了研究聚合物射流对爆炸反应装甲的起爆阈值,选取聚乳酸(PLA)作为药型罩材料,通过数值模拟方法分析了PLA射流在不同炸高下对不同装药层厚度的穿而不爆作用过程。采用p^(n)τ判据计算爆炸反应装甲装药层的起爆阈值,结果表明,PLA射流冲击反应装甲是否起爆主要取决于射流冲击的压力峰值与炸药层厚度,并且在该文研究工况下,当冲击过程中的临界能量小于195.782 GPa^(2)·μs时,PLA射流会实现对爆炸反应装甲的穿而不爆。The penetration-without-detonation technology of polymer jet can effectively damage explosive reactive armor.In order to study the initiation threshold of polymer jet on explosive reactive armor,polylactic acid(PLA)was selected as the liner material.The penetration-without-detonation process of PLA jet with different charge layer thickness at different stand-off was analyzed by numerical simulation method.The initiation threshold of explosive reactive armor charge layer was calculated by p^(n)τcriterion.The results show that the initiation of PLA jet impact reactive armor mainly depends on the pressure peak of jet impact and the thickness of explosive layer.Under the research conditions in this paper,when the critical energy in the impact process is less than 195.782 GPa^(2)·μs,PLA jet can realize the penetration-without-detonation on the explosive reactive armor.

关 键 词：聚乳酸射流 爆炸反应装甲 起爆判据 穿而不爆 

分 类 号：TJ413.2[兵器科学与技术—火炮、自动武器与弹药工程]