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| Failure Analysis and Improvement of a Liquid Rocket Engine Subassembly in High Altitude Environment |
| Received:August 15, 2012 Revised:January 01, 2013 |
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| DOI： |
| KeyWord:liquid rocket engine failure improvement |
| Author | Institution |
| TANG Liang |
The Equipment Research Institute of PLA′s Second Artillery，Beijing，China |
| YANG Rong |
The Equipment Research Institute of PLA′s Second Artillery，Beijing，China |
| WU Xun |
The Equipment Research Institute of PLA′s Second Artillery，Beijing，China |
| MA Hai-liang |
The Equipment Research Institute of PLA′s Second Artillery，Beijing，China |
| QIN Xu-shan |
The Equipment Research Institute of PLA′s Second Artillery，Beijing，China |
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| Abstract: |
| The causation and the forming process of local failure of a liquid rocket engine subassembly in high altitude environment was analyzed. Countermeasures for different requirement were put forward to improve the reliability and environmental worthiness of liquid rocket engine in high altitude environment, and the countermeasures were validated by actual experimental flight. |
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