药型罩结构参数对JPC水下作用效应影响研究  

Study on Influence of Liner’s Structure Parameters on Effects of JPC Operating Underwater

作　　者：陈兴 卢永刚[1] 程祥珍 CHEN Xing;LU Yonggang;CHENG Xiangzhen(Institute of Systems Engineering,China Academy of Engineering Physics,Mianyang,Sichuan 621900,China;32391 Unit of PLA,Guangzhou,Guangdong 510515,China)

机构地区：[1]中国工程物理研究院总体工程研究所,四川绵阳621900 [2]中国人民解放军32391部队,广东广州510515

出　　处：《北京理工大学学报》2022年第11期1127-1135,共9页Transactions of Beijing Institute of Technology

基　　金：国家自然科学基金面上项目(11672278)。

摘　　要：针对药型罩结构参数对杆式射流水下作用效应的影响问题,基于LS-DYNA有限元软件和试验,研究了药型罩壁厚T、圆弧半径R、罩锥角α对杆式射流水中成型和侵彻效应的影响.结果表明,壁厚影响杆流的入水初速,圆弧半径和罩锥角分别影响杆流的轴向拉伸和径向收缩能力,影响杆流形态和质量分布;增加药形罩壁厚、减小圆弧半径和罩锥角均能增强杆流的水下作用效应;获得了杆流水下作用效应较佳的药型罩结构参数,其中T为0.036 D_(k)~0.055 D_(k),R为0.30 D_(k)~0.45 D_(k),α为120°~130°.试验结果表明水层厚度对杆流动能具有很强的衰减作用,水层厚度为60 cm时,杆流能对靶板形成平均直径为0.54 D_(k)的穿孔.Influences of the ace-cone liner structural parameters(wall thickness,radius of curvature and cone angle)on the underwater action effect of jetting projectile charge(JPC)were studied using the LS-DYNA finite element software.The results show that the wall thickness had a great influence on the initial velocity of JPC into water,the arc radius and cone angle controlled the axial tensile and radial shrinkage of JPC,respectively,affecting the JPC morphology and mass distribution.Increasing liner thickness,and reducing arc radius and cone angle could enhance the underwater effect of JPC.The formation,velocity attenuation and damage efficiency of JPC was comprehensively analyzed,and structural parameters of the liner with better underwater operating effect of JPC were obtained,wall thickness ranged from 0.036 D_(k) to 0.055 D_(k) ,the radius of curvature ranged from 0.30 D_(k) to 0.45 D_(k) ,and cone angle ranged from 120°to 130°.The experiment results show that water layer thickness has a strong attenuation effect on the JPC kinetic energy.When the water layer thickness is 60 cm,JPC can penetrate the target with an average diameter of 0.54 D_(k).

关 键 词：弧锥组合罩 结构参数 杆式射流 水下侵彻 毁伤效应 

分 类 号：TJ413.2[兵器科学与技术—火炮、自动武器与弹药工程]