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弹箭与制导学报 >

2017 , Vol. 37 >Issue 3: 49 - 54

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2017.03.014

弹药技术

某型炮射导弹膛内运动时期药柱的应力应变分析

  • 王海清 ,
  • 隋欣 ,
  • 丁娜仁花 ,
  • 宋长健 ,
  • 李世鹏 ,
  • 王宁飞
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  • 1 北京理工大学宇航学院, 北京 100081
    2 天津中德应用技术大学航空航天学院, 天津 300350

王海清(1985-),男,内蒙古托克托人,硕士研究生,研究方向:固体火箭推进剂药柱结构完整性分析。

收稿日期: 2016-05-15

  网络出版日期: 2025-05-28

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Stress and Strain Analysis of a Gun-launched Solid Rocket Motor Propellant Grain during the Launching Process

  • WANG Haiqing ,
  • SUI Xin ,
  • DING Narenhua ,
  • SONG Changjian ,
  • LI Shipeng ,
  • WANG Ningfei
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  • 1 School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China
    2 Aviation and Aerospace School, Tianjin Sino-German University of Applied Sciences, Tianjin 300350, China

Received date: 2016-05-15

  Online published: 2025-05-28

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摘要

炮射导弹发射过程中承受上万个g的过载,固体推进剂药柱的应力应变分析极为关键。文中采用有限元方法对药柱在发射过程中的应力应变进行数值模拟,分别对比研究轴向过载、旋转载荷和药柱挡药板之间摩擦对药柱整体最大vonMises应力和最大应变变化的影响规律。结果表明,考虑旋转和药柱挡药板之间摩擦的情况下,药柱整体最大vonMises应力和最大应变都显著增加,而且药柱挡药板之间摩擦将直接影响药柱最大vonMises应力和最大应变发生的区域。

关键词： 炮射导弹; 固体火箭发动机; 推进剂药柱; 应力应变分析

本文引用格式

王海清 , 隋欣 , 丁娜仁花 , 宋长健 , 李世鹏 , 王宁飞 . 某型炮射导弹膛内运动时期药柱的应力应变分析[J]. 弹箭与制导学报, 2017 , 37(3) : 49 -54 . DOI: 10.15892/j.cnki.djzdxb.2017.03.014

Abstract

During the process of launching, the gun-launched rocket is always subjected to a very high overload, even more than 104g. Therefore, the stress and strain analysis of solid propellant grains is of great significance. In this paper, we used the finite element software to simulate the stress and strain of the grain structure during the launching process, conducting a comparative study on the effects of axial load, rotating load and grain-retaining plate friction on the maximum von Mises stress and maximum principal strain of the grain. The results showed that considering rotating load and the grain-retaining plate friction, the maximum von Mises stress and the maximum principal strain of whole grain will be significantly increased, and the grain-retaining plate friction will affect the distribution of maximum von Mises stress and the maximum principal strain.

Key words： gun-launched rocket; solid rocket motor; propellant grain; stress and strain analysis

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