电磁炮超高速弹丸膛内运动稳定性研究

沈剑; 王少龙; 宁益晨; 陈国光; 田晓丽; 闫小龙

doi:10.15892/j.cnki.djzdxb.2020.04.001

弹箭与制导学报 >

2020 , Vol. 40 >Issue 4: 1 - 4

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2020.04.001

电磁炮超高速弹丸膛内运动稳定性研究

沈剑 ¹ ,
王少龙 ² ,
宁益晨 ³ ,
陈国光 ¹ ,
田晓丽 ¹ ,
闫小龙 ¹

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¹ 中北大学机电工程学院, 太原 030051
² 西北工业集团有限公司质量管理部, 西安 710048
³ 北方华安工业集团有限公司, 黑龙江齐齐哈尔 161046

沈剑(1988-),男,陕西咸阳人,讲师,博士,研究方向:制导弹药总体,无人飞行器编队协同控制技术。

收稿日期: 2019-07-18

网络出版日期: 2025-05-30

基金资助

山西省应用基础研究项目计划青年科技研究基金(201801D221039)

中北大学2018年校科研基金(XJJ201813)

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Research on the Stability of Motion in the Chamber of Hyper Velocity Projectile of Electromagnetic Rail Gun

SHEN Jian ¹ ,
WANG Shaolong ² ,
NING Yichen ³ ,
CHEN Guoguang ¹ ,
TIAN Xiaoli ¹ ,
YAN Xiaolong ¹

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¹ School of Mechatronics Engineering, North University of China, Taiyuan 030051, China
² Northwest Industries Group Co., Ltd., Xi’an 710048, China
³ Hua An Industry Group Co., Ltd., Heilongjiang Qiqihar 161046, China

Received date: 2019-07-18

Online published: 2025-05-30

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摘要

针对超高速弹丸在电磁轨道炮内运动稳定性问题,研究趋肤效应、膛内空气阻力和电枢-导轨间高速滑动摩擦阻力对弹丸运动稳定性的影响。建立电磁轨道炮系统动力学方程和Lyapunov运动稳定性分析模型,通过仿真获得弹丸膛内基本运动特征,分析不同电阻梯度和摩擦系数对弹丸速度、位移的影响。计算结果表明,趋肤效应引起电阻梯度的变化对于弹丸在膛内运动稳定性影响更加明显,弹炮系统设计中应考虑趋肤效应对弹丸运动的影响。

关键词： 电磁轨道炮; 超高速弹丸; Lyapunov指数; 趋肤效应

本文引用格式

沈剑 , 王少龙 , 宁益晨 , 陈国光 , 田晓丽 , 闫小龙 . 电磁炮超高速弹丸膛内运动稳定性研究[J]. 弹箭与制导学报, 2020 , 40(4) : 1 -4 . DOI: 10.15892/j.cnki.djzdxb.2020.04.001

Abstract

The effects of skin effect, air resistance in chamber and high-speed sliding friction resistance between armature and rails on the motion stability of hyper velocity projectile in electromagnetic rail gun were analyzed. The dynamic equation of the electromagnetic rail guns system and the Lyapunov motion stability analysis model was established. The basic motion characteristics of the projectile chamber were obtained through simulation, and the influence of different resistance gradients and friction coefficients on the velocity and displacement of the projectile were analyzed. The results show that the effect of skin effect on the stability of projectile motion in the chamber is more obvious. It should be considered seriously during projectile and gun to design.

Key words： electromagnetic rail gun; hyper velocity projectile; Lyapunov index; skin effect

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参考文献

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