Numerical Analysis of Fluid-Structure Interaction during Ignition Process for Solid Rocket Motor with Stress-reliver

被引:0
|
作者
Wu Jing [1 ]
Chen Xiong [1 ]
Yu Xi [2 ]
机构
[1] Nanjing Univ Sci &Technol, Nanjing 210094, Jiangsu, Peoples R China
[2] Shandong Special Ind Grp Co, Zibo 255201, Peoples R China
关键词
Solid rocket motor; Stress reliever; Ignition process; Fluid structure interface;
D O I
10.4028/www.scientific.net/AMM.184-185.328
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
During the start-up of ignition process, the solid rocket motor is typically involved in fluid-structure coupling process. The propellant deforms under the gas pressure, thereby influents the gas flow in turn. The aim of this paper is to investigate the coupled effect between fluid and structure during the start-up of ignition process in solid rocket motor by coupling Fluent and Abaqus via MpCCI. The numerical result shows that during the initial stage, the gas flows onto the structural surface. There is a relative enclosure space in thewing slot inside the motor, which causes big deformation on propellant grain and stress reliever. This space is the high-risk area for structural deboning in solid rocket motor.
引用
收藏
页码:328 / +
页数:2
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