| 杆式射流对充液防护结构的毁伤机理及影响因素的数值模拟 |
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| 引用本文： | 陈兴,周兰伟,李福明,王毅,李志文,韩斌.杆式射流对充液防护结构的毁伤机理及影响因素的数值模拟[J].高压物理学报,2021,35(2):143-153. |
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| 作者姓名： | 陈兴 周兰伟 李福明 王毅 李志文 韩斌 |
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| 作者单位： | 重庆前卫科技集团有限公司,重庆 401121;南京理工大学机械工程学院,江苏 南京 210094 |
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| 摘 要： | 运用ANSYS/LS_DYNA软件分析了聚能射流对充液结构的毁伤,初步获得了药型罩壁厚和材料等参数对聚能战斗部水下作用的影响特性。药型罩壁厚在0.04Dk~0.06Dk(Dk为装药直径)之间形成的射流对充液防护结构具有较优的侵彻性能;当δ<0.04Dk时,杆流成型结构较差,在水中的动能抗衰减性能较低;δ>0.06Dk时,射流的初始动能低,靶后效果差。药型罩可采用纯铁、紫铜和钽3种材料,其中纯铁射流的侵彻能力最高,钽射流在水中的动能抗衰减性能最好,紫铜射流具有较好的综合性能。
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| 关 键 词： | 杆式射流 充液防护结构 药型罩壁厚 药型罩材料 毁伤 |
Numerical Simulation on Damage Mechanism and Influencing Factors of JPC Shaped Charge on Liquid-Filled Defensive Structure |
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| CHEN Xing,ZHOU Lanwei,LI Fuming,WANG Yi,LI Zhiwen,HAN Bin.Numerical Simulation on Damage Mechanism and Influencing Factors of JPC Shaped Charge on Liquid-Filled Defensive Structure[J].Chinese Journal of High Pressure Physics,2021,35(2):143-153. |
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| Authors: | CHEN Xing ZHOU Lanwei LI Fuming WANG Yi LI Zhiwen HAN Bin |
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| Institution: | (Chongqing Qianwei Technology Group Co.,Ltd.,Chongqing 401121,China;Mechanical Engineering Institute,Nanjing University of Science and Technology,Nanjing 210094,Jiangsu,China) |
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| Abstract: | The damage of shaped charge jet to liquid-filled structure was analyzed by ANSYS/LS_DYNA software.The influence of liner thickness and material parameters on the performance of shaped charge warhead under water is obtained.The thickness of liner between 0.04Dk and 0.06Dk,jetting penetrator charge(JPC)has excellent penetration performance for the liquid-filled defensive structure;Whenδ<0.04Dk,the JPC forming structure is poor,and the decay rate of the kinetic energy in the water is faster.Whenδ>0.06Dk,the initial kinetic energy of the JPC is low,and the effect of the after-target effect is poor;It is also illustrated that among three kinds of linear materials including iron,copper and tantalum:Pure iron JPC has the highest penetration ability;Tantalum JPC has the best water storage kinetic energey performance;Copper JPC has better overall performance. |
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| Keywords: | jetting penetrator charge liquid-filled defensive structure liner thickness liner material damage |
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