高原环境杀爆弹形成破片特性仿真研究  

Simulation study on fragment characteristics of explosive bombs in a plateau environment

作　　者：李玉文 郭秋萍 杜宁 姜夏冰 李松 LI Yuwen;GUO Qiuping;DU Ning;JIANG Xiabing;Li Song(Liaoshen Industries Group Co.,Ltd.,Shenyang 110045,China;The Second Military Representative Office,Army Armament Department in Shenyang,Shenyang 110045,China;Shenyang Ligong University,Shenyang 110159,China)

机构地区：[1]辽沈工业集团有限公司,沈阳110045 [2]陆军装备部驻沈阳地区第二军事代表室,沈阳110045 [3]沈阳理工大学,沈阳110159

出　　处：《兵器装备工程学报》2023年第8期175-179,共5页Journal of Ordnance Equipment Engineering

摘　　要：为了获得高原环境杀爆弹形成破片性能的影响规律,选取典型杀爆弹,通过空气密度随海拔高度变化修正系数及高原气压确定比内能,利用AUTODYN-3D软件结合Stochastic随机失效模型仿真研究了高原环境杀爆弹形成破片作用过程及破片速度、质量变化规律.结果表明:高原环境与平原环境相比,杀爆弹形成的破片速度分布规律差距较小,破片初速基本相同,破片总量略有增加.高原和平原环境下,随着破片质量的增加,破片数量均减少.In order to acquire the influence law of fragmentation generated from explosive bombs in a plateau environment,this paper selects typical explosive bombs,and determines the specific internal energy through the correction coefficient of air density changing with altitude and plateau air pressure.Then,the fragmentation process,fragmentation velocity and quality changes of the projectile in the plateau environment are simulated by using AUTODYN-3D combined with the Stochastic failure model.The results show that,compared with the plain environment,the dfference of the fragment velocity distribution law formed by the explosive bombs in the plateau environment is small,the initial velocity of the fragments is basically the same,and the total amount of the fragments in the plateau environment increases slightly.In both the plateau and the plain environments,the number of the fragments decreases with the increase of fragment quality.

关 键 词：爆炸力学 破片速度 破片质量分布 数值模拟 高原环境 

分 类 号：TJ410[兵器科学与技术—火炮、自动武器与弹药工程]