[1]程 玉,陈智刚,杨 芮,等.无量纲参数对破片弹道极限速度的影响[J].弹道学报,2022,34(04):8-14.[doi:10.12115/j.issn.1004-499X(2022)04-002]
　CHENG Yu,CHEN Zhigang,YANG Rui,et al.Influence of Dimensionless Parameters on Ballistic Limit Velocity of Fragments[J].Journal Of Ballistics,2022,34(04):8-14.[doi:10.12115/j.issn.1004-499X(2022)04-002]
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无量纲参数对破片弹道极限速度的影响()
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《弹道学报》[ISSN:1004-499X/CN:32-1343/TJ]

卷:
34
期数:
2022年04期
页码:
8-14
栏目:
出版日期:
2022-12-31

文章信息/Info

Title:
Influence of Dimensionless Parameters on Ballistic Limit Velocity of Fragments
文章编号:
1004-499X(2022)04-0008-07
作者:
程 玉1; 2; 陈智刚2; 杨 芮1; 2; 任 凯2; 付建平2
1.中北大学 机电工程学院,山西 太原 030051; 2.中北大学 地下目标毁伤技术国防重点学科实验室,山西 太原 030051
Author(s):
CHENG Yu1; 2; CHEN Zhigang2; YANG Rui1; 2; REN Kai2; FU Jianping2
1.College of Mechatronics Engineering,North University of China,Taiyuan 030051,China; 2.National Defense Key Laboratory of Underground Target Damage Technology,North University of China,Taiyuan 030051,China
关键词:
93W钨合金;  无量纲;  破片;  弹道极限速度;  侵彻性能
Keywords:
93W tungsten alloy;  dimensionless;  fragments;  ballistic limit velocity;  penetration performance
分类号:
TJ303.4
DOI:
10.12115/j.issn.1004-499X(2022)04-002
文献标志码:
A
摘要:
为开展93W钨合金破片对616装甲钢侵彻性能的研究,通过弹道枪试验分别对立方破片(底面为正方形)和圆柱破片进行了弹道极限速度测试,并基于试验结果对理论公式进行了修正,修正后的公式可应用于预测破片弹道极限速度。将仿真结果与试验结果进行了对比,验证了材料的可靠性,根据破片初速及剩余速度建立回归方程,外推得到破片的弹道极限速度,并进一步研究了无量纲弹长及无量纲靶厚对弹道极限速度的影响。结果表明,当确定破片及靶板的材料后,弹道极限速度仅与无量纲弹长和无量纲靶厚有关; 当无量纲弹长与无量纲靶厚确定后,破片形状对弹道极限速度的影响非常明显,立方破片更容易穿透靶板。当无量纲靶厚为1.6时,破片正侵彻12 mm厚度的靶板,弹道极限速度随破片无量纲弹长的增加而加大,且无量纲弹长每增加0.1,破片的弹道极限速度增加约45 m/s; 当无量纲弹长为1.0时,破片正侵彻不同厚度的靶板,弹道极限速度随无量纲靶厚的增加而加大,且无量纲靶厚每增加0.1,破片的弹道极限速度增加约50 m/s。
Abstract:
In order to study the penetration performance of 93W tungsten alloy fragments into 616 armor steel,the ballistic limit velocity of cubic fragments(with square bottom)and cylindrical fragments were tested by ballistic gun tests,and the theoretical formula was modified by the test results. The modified formula can be used to predict the ballistic limit velocity of fragments. The simulation results were compared with the test results to verify the reliability of the materials. The regression equation was established according to the initial velocity and residual velocity of the fragments. The ballistic limit velocity of the fragments was obtained by extrapolating the regression equation obtained. The influence of the dimensionless projectile length(DPL)and the dimensionless target thickness(DTT)on the ballistic limit velocity was further studied. The results show that when the materials of fragments and target plates are determined,the ballistic limit velocity is only related to DPL and DPL. When DPL and DTT are determined,the influence of fragment shape on the ballistic limit velocity is obvious,and cubic fragments are easier to penetrate the target plates. When the DTT is 1.6,the ballistic limit velocity increases with the increase of DPL of the fragment when vertically penetrating the target plate with thickness of 12 mm. The ballistic limit velocity of the fragment increases about 45 m/s for every 0.1 increase of DPL value. When the DPL is 1.0,and the ballistic limit velocity increases with the increase of the DTT when vertically penetrating targets with different thickness. The ballistic limit velocity of the fragments increases about 50 m/s for every 0.1 increase of the DTT.

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备注/Memo

备注/Memo:
收稿日期:2022-04-06
作者简介:程玉(1998-),男,硕士研究生,研究方向为终点毁伤。E-mail:2746460677@qq.com。
通信作者:陈智刚(1963-),男,教授,博士,研究方向为终点毁伤。E-mail:cyc@nuc.edu.cn。
更新日期/Last Update: 2022-12-30