| 杆式射流侵彻半无限靶的理论分析 |
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| 引用本文： | 姜剑生,王政,梁龙河,洪滔.杆式射流侵彻半无限靶的理论分析[J].高压物理学报,2011,25(4). |
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| 作者姓名： | 姜剑生 王政 梁龙河 洪滔 |
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| 作者单位： | 北京应用物理与计算数学研究所; |
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| 基金项目： | 中国工程物理研究院科学技术基金(2007A09002) |
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| 摘 要： | 理论分析高速杆式射流侵彻半无限靶过程时，考虑速度梯度对聚能射流的影响，将射流进行分段计算，得到了射流拉伸后实际碰靶时的微元长度和直径变化。采用伯努利方程和静力学方法，通过对射流形状和速度分布作线性近似，理论分析了高速杆式射流侵彻半无限靶的过程，得到了靶体中的侵彻深度和侵彻孔径与射流长度、速度及直径之间的关系。将模拟结果与实验结果进行对比，结果表明理论分析结果与侵彻实验结果符合较好。
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| 关 键 词： | 杆式射流 侵彻 半无限靶 侵彻深度 侵彻孔径 |
| 收稿时间： | 2010-06-01; |
Penetration Analysis of a Rod-Shaped Projectile in Semi-Infinite Target |
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| JIANG Jian-Sheng,WANG Zheng,LIANG Long-He,HONG Tao.Penetration Analysis of a Rod-Shaped Projectile in Semi-Infinite Target[J].Chinese Journal of High Pressure Physics,2011,25(4). |
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| Authors: | JIANG Jian-Sheng WANG Zheng LIANG Long-He HONG Tao |
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| Affiliation: | JIANG Jian-Sheng,WANG Zheng,LIANG Long-He,HONG Tao(Institute of Applied Physics and Computational Mathematics,Beijing 100094,China) |
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| Abstract: | When analyzing the penetration of a rod-shaped projectile in semi-infinite target,the velocity gradient of the shaped charge jet is taken into account.The jet is divided into a series of segments,and the variations of the length and diameter of each jet segment are calculated at the moment of impacting on the target.Through the Bernoulli equation,linear approximations of velocity and diameter of the jet,and static method,the relationship between penetration depth and hole diameter in the target and impactin... |
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| Keywords: | rod-shaped projectile penetration semi-infinite target penetration depth penetration diameter |
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