摘要
为获得典型大口径常规战斗部自然破片质量分布、破片初速等变化规律,利用水井爆炸装置,对某155 mm大口径榴弹自然破片的形成过程进行了破碎性试验研究,并与Mott公式预测计算结果进行了对比;同时基于Stochastic随机失效模型,采用AUTODYN软件对试验榴弹自然破片形成过程作进一步仿真模拟,获得了破片质量分布、破片初速等变化规律。仿真结果表明:4 g以上的破片数量与试验结果吻合较好,总体分布趋势基本完全一致,4 g以下的破片数量存在误差。
In order to obtain the regular patterns of the natural fragments quality distribution and initial velocity of large caliber typical conventional warheads, using water well explosive device, several static detonating tests of 155 mm caliber shells was studied, and compared with the forecast results calculated by Mott formula. Moreover, based on Stochastic failure models, using AUTODYN software further simulated the formation of natural fragments referred to the test shells, the regular patterns of the fragment quality distribution and initial velocity were got. It was found that the whole tendency between the two was mainly fit, especially, the number of the large quality area （≥4 g） was quite agreement with each other, but there were some errors in small quality area（≤4 g）.
出处
《兵工自动化》
2013年第11期20-23,共4页
Ordnance Industry Automation
基金
国家自然科学基金(51278250)
关键词
大口径榴弹
破碎性试验
自然破片
仿真模拟
large caliber shell
fragmentation test
natural fragments
simulation
作者简介
黄经伟（1988-），男，湖北人，硕士研究生，从事弹丸的终点效应和目标毁伤技术研究。
