固体火箭发动机桥丝点火系统失效分析  

Failure Analyses of Solid Rocket Engine's Ignition System

作　　者：温瑞珩[1] 叶玮[1] 郑守铎[1] 

机构地区：[1]92941部队92分队

出　　处：《失效分析与预防》2014年第2期100-103,共4页Failure Analysis and Prevention

摘　　要：在综述固体火箭发动机桥丝点火系统组成及工作原理的基础上,探讨分析了3种典型失效,即点火系统电气分系统的点火电池无法激活及功能组件异常、发火分系统不发火及异常发火、能量释放分系统点火延迟及爆燃等的失效模式及产生机理,并综合了相应的预防及改进措施。本文对发动机点火系统的研制、生产、试验评定等工程应用具有一定的参考和借鉴作用。Ignition system is an important parts, and is a more easy failure parts. Based on the analysis of solid rocket engine＇s bridge-wire ignition system composition and working principle, the typical ignition system failure mode and the produce mechanism are talked about, for example, electrical subsystem＇s ignition battery can＇t be activated and functional components are wrong, and firing subsystem can＇t fire or abnormally fire, and energy release subsystem delay fire or explode, and so on. And based on the failure mode and the produce mechanism, some corresponding preventive and improve measures are offered. These measures are effective and valuable references for the engineering application of rocket engine＇s ignition system, for example, development, production and test evaluation.

关 键 词：固体火箭发动机 点火系统 失效分析 

分 类 号：V435[航空宇航科学与技术—航空宇航推进理论与工程]