|Table of Contents|

Analysis of blockage failure for monopropellant hydrazine engine in satellite(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2015年05期
Page:
67-71
Research Field:
研究与设计
Publishing date:

Info

Title:
Analysis of blockage failure for monopropellant hydrazine engine in satellite
Author(s):
LIU Yinglong;  FU Tuoqu;  CHEN Jun;  CHEN Jian
Beijing Institute of Control Engineering, Beijing 100190, China
Keywords:
monopropellant hydrazine engine;  crevice corrosion;  galvanic corrosion;  blockage
PACS:
V434-34
DOI:
-
Abstract:
There was no gas exhausted from a monopropellant hydrazine engine, which was found when it was tested during AIT. The fault location, testing and analysis for this failure were carried out. The analysis results show that the reason of the failure is the environment where the thruster suffered from the crevice corrosion and the galvanic corrosion. The corrosion product which was generated by the long-term corrosion obstructed the fluid channel.

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Last Update: 1900-01-01