药型罩破片群成型的数值仿真和实验研究
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摘要
为解决常规药型罩破片群成型中存在的径向发散不足的问题,对传统的成型弹体结构进行了改进,并对药型罩破片群的成型过程进行了数值仿真,最后通过靶板效应实验进行了验证。研究结果表明,药型罩破片群的径向发散能力得到了有效增强,形成的破片群径向散布角达到18°。
In traditional forming technology of liner fragments,radial dispersion of liner fragments is limited.To solve this problem,the traditional structure of shaped charge warheads was improved.Simulation of the forming progress of liner fragments was done,and the forming effects were validated experimentally.It is concluded from the results that the ability of radial dispersion of liner fragments is enhanced,and the radial dispersion angle of liner fragments reaches 18°.
In traditional forming technology of liner fragments,radial dispersion of liner fragments is limited.To solve this problem,the traditional structure of shaped charge warheads was improved.Simulation of the forming progress of liner fragments was done,and the forming effects were validated experimentally.It is concluded from the results that the ability of radial dispersion of liner fragments is enhanced,and the radial dispersion angle of liner fragments reaches 18°.
引文
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[3]李伟兵,王晓鸣,李文彬,等.隔栅对EFP破片成型及侵彻的影响[J].南京理工大学学报:自然科学版,2009,33(5):586-591.(LI Wei-bing,WANG Xiao-ming,LI Wen-bin,et al.Effect of metal bar on forming and penetration of EFP fragments[J].Journal of Nanjing University of Science and Technology:Natural Science,2009,33(5):586-591.)
[4]龙源,张洋溢,余道强,等.多模战斗部中药型罩切割技术研究[J].火工品,2009(1):30-34.(LONG Yuan,ZHANG Yang-yi,YU Dao-qiang,et al.Study on liner cutting technology in multimode warhead[J].Initiators&Pyrotechnics,2009(1):30-34.)
[5]张洋溢,龙源,余道强,等.切割网栅作用下EFP形成多破片的数值分析[J].弹道学报,2009,21(2):90-94.(ZHANG Yang-yi,LONG Yuan,YU Dao-qiang,et al.Numerical analysis of EFP forming multi-fragments due to cutting reseau[J].Journal of Ballistics,2009,21(2):90-94.)
[6]汪得功.可选择EFP侵彻体形成研究[D].南京:南京理工大学,2007:68-72.(WANG De-gong.Research on forming of selectable EFP penetrator[D].Nanjing:Nanjing University of Science and Technology,2007:68-72.)
[7]汤建明.基于ANSYS/LS-DYNA进行EFP成形及切割仿真研究[D].南京:南京理工大学,2006:52-66.(TANG Jianming.Simulation research on forming of EFP and cutting based on ANSYS/LS-DYNA[D].Nanjing:Nanjing University of Science and Technology,2006:52-66.)
[8]李金凤.爆炸载荷下药型罩形成多破片的数值模拟[J].南京理工大学学报,2006,30(2):186-188.(LI Jin-feng.Numerical simulation of liner forming multi-fragments due to explosive loading[J].Journal of Nanjing University of Science and Technology,2006,30(2):186-188.)
[9]周翔,龙源,余道强,等.多弹头爆炸成形弹丸数值仿真及发散角影响因素[J].兵工学报,2006,27(1):23-26.(ZHOU Xiang,LONG Yuan,YU Dao-qiang,et al.Numerical simulation and effect analysis for radial dispersion of MEFP[J].Acta Armamentarii,2006,27(1):23-26.)
[10]DAVID B,RICHARD F,WILLIAM N,et al.Dual mode warhead technology for future smart munitions[C]//19th International Symposium of Ballistics,Interlaken,2001.
[11]RICHARD F.Warhead technology advancement[R].ADA394848,U S Army Armament Research,Development and Engineering Center,2000.
[12]RICHARD F.Selectable effects explosively formed penetrator warhead:U S,5540156[P].1996-07-30.
[13]卢芳云,李翔宇,林玉亮.战斗部结构与原理[M].北京:科学出版社,2009:49-66.(LU Fang-yun,LI Xiang-yu,LIN Yu-liang.Structure and Principle of Warhead[M].Beijing:Science Press,2009:49-66.)