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| 引用本文： | 刘宏伟,赵国志,朱建生,杨杰.????????????????????????о?[J].力学与实践,2007,29(4):63-66. |
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| 作者姓名： | 刘宏伟 赵国志 朱建生 杨杰 |
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| 作者单位： | 南京理工大学 南京理工大学机械学院，南京，210094，013913913129 南京理工大学 南京理工大学 |
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| 基金项目： | 本文的实验数据及照片采用了某973项目的资料,特表示感谢. |
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| 摘 要： | 利用X光照片对射流垂直侵彻反应装甲这一物理过程进行研究，认为爆
轰场加快了射流失稳断裂过程. 并基于射流在空气中运动断裂模型的基础上，运用弹塑性相
关理论，建立了在爆炸场中射流断裂时间模型，利用该模型得到了干扰后射的侵彻模型.
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| 关 键 词： | 反应装甲 垂直侵彻 射流断裂 |
| 收稿时间： | 2006-11-16 |
| 修稿时间： | 2006-11-162007-06-23 |
STUDY ON JET BREAKUP IN EXPLOSIVE REACTIVE ARMOUR |
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| LIU Hongwei,ZHAO Guozhi,ZHU Jiansheng,YANG Jie.STUDY ON JET BREAKUP IN EXPLOSIVE REACTIVE ARMOUR[J].Mechanics and Engineering,2007,29(4):63-66. |
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| Authors: | LIU Hongwei ZHAO Guozhi ZHU Jiansheng YANG Jie |
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| Institution: | 1.Mechanical School of N JUST, Nanjing 210094, China;2.Xuzhou Air Force Institude, Xuzhou 221000, China |
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| Abstract: | The disturbance mechanism of ERA is simply the interaction between the thin moving plate and the shaped charge jet.But this is not the case but when the shaped charge jet impacts ERA in a normal penetration. This paper studies the physical process of ERA and the shaped charge jet,based on X-ray photographes.It is concluded that it is the pressure at the denotation site that causes the early jet breakup.Based on the breakup mode of jet in the air,applying the elastic-plastic theory,the mode of jet particulate in ERA is obtained. With this mode,the penetration of the residual jet can be evaluated.The theoretical results agree well with experiment data. |
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| Keywords: | ERA normal penetration jet particulate in denotation site |
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