4.7 Article

Rigid elliptical cross-section ogive-nose projectiles penetration into concrete targets

期刊

DEFENCE TECHNOLOGY
卷 17, 期 3, 页码 800-811

出版社

ELSEVIER
DOI: 10.1016/j.dt.2020.05.0112214-9147/

关键词

Elliptical cross-section; Projectile; Penetration; Concrete target; Dynamic cavity-expansion

资金

  1. National Natural Science Foundation of China [11772269, 11802248, 11872318]

向作者/读者索取更多资源

This study investigated the penetration performance of elliptical cross-section ogive-nose projectiles (ECOPs) into concrete targets using a theoretical method. A general geometric model of ECOPs was introduced and penetration equations were derived based on the dynamic cavity-expansion theory. The model was validated by comparing predicted penetration depths with test data, and factors influencing the increment in penetration depth were examined.
The elliptical cross-section ogive-nose projectile (ECOP) has recently attracted attention because it is well suited to the flattened shape of earth-penetrating weapons. However, the penetration performance of ECOPs has not been completely understood. The objective of this study was to investigate the penetration performance of ECOPs into concrete targets using a theoretical method. A general geometric model of ECOPs was introduced, and closed-form penetration equations were derived according to the dynamic cavity-expansion theory. The model was validated by comparing the predicted penetration depths with test data, and the maximum deviation was 15.8%. The increment in the penetration depth of the ECOP was evaluated using the proposed model, and the effect of the major-minor axis ratio on the increment was examined. Additionally, the mechanism of the penetration-depth increment was investigated with respect to the caliber radius head, axial stress, and resistance. (c) 2020 China Ordnance Society. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co. This is an open access article under the CC BY-NC-ND license (http:// creativecommons.org/licenses/by-nc-nd/4.0/).

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.7
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据