高过载下不同材料装药缓冲垫性能对比

贾胜锡; 黄萌; 张皓; 胡博文; 颜密; 张益达

doi:10.15892/j.cnki.djzdxb.2023.04.005

弹箭与制导学报 >

2023 , Vol. 43 >Issue 4: 32 - 38

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.04.005

高过载下不同材料装药缓冲垫性能对比

贾胜锡 ¹ ,
黄萌 ¹ ,
张皓 ¹ ,
胡博文 ¹ ,
颜密 ¹ ,
张益达 ²

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¹ 西安现代控制技术研究所,陕西西安 710065
² 北京理工大学宇航学院,北京 100081

贾胜锡(1992—),男,工程师,博士研究生,研究方向:航空宇航推进理论与工程。

收稿日期: 2022-09-25

网络出版日期: 2025-02-07

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Performance Comparison of Different Materials Grain Cushion Under High Overload

JIA Shengxi ¹ ,
HUANG Meng ¹ ,
ZHANG Hao ¹ ,
HU Bowen ¹ ,
YAN Mi ¹ ,
ZHANG Yida ²

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¹ Xi'an Mordern Control Technology Research Institute,Xi'an 710065,Shaanxi, China
² School of Aerospace Engineering, Beijing Institute of Technology,Beijing 100081,China

Received date: 2022-09-25

Online published: 2025-02-07

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摘要

针对炮射导弹高过载下的装药结构完整性问题,从回弹性、应变范围、弹性模量和吸能特性对7种不同材料的装药缓冲垫性能进行了对比,结果显示“毛毡+纸板”材料的缓冲垫性能最佳。在此基础上,通过有限元仿真分析了缓冲垫厚度和径向间隙对装药完整性的影响。结果表明,缓冲垫厚度和径向间隙对高过载下药柱的最大应力值有影响,存在最佳缓冲垫厚度和径向间隙,可使得装药内部等效应力值较低。

关键词： 高过载; 结构完整性; 装药缓冲垫; 炮射导弹

本文引用格式

贾胜锡 , 黄萌 , 张皓 , 胡博文 , 颜密 , 张益达 . 高过载下不同材料装药缓冲垫性能对比[J]. 弹箭与制导学报, 2023 , 43(4) : 32 -38 . DOI: 10.15892/j.cnki.djzdxb.2023.04.005

Abstract

Aiming at the structural integrity of grain under high overload of artillery launched missile, the cushion performance of seven different materials are compared from the aspects of resilience, strain, range, elastic modulus and energy absorption in this paper. The results show that the cushion performance of “wool+paperboard” material is the best. On this basis, the influence of cushion thichness and radial clearance on grain integrity is analyzed using finite element simulation. The results show that the thichness and radial clearance have an influence on the maximum stress value of the grain under high overload. There is an optimal thichness and radial clearance of the cushion, leading to the lowest internal equivalent stress value in the grain.

Key words： high overload; structural integrity; grain cushion; artillery launched missile

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