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System integration and hot-fire test of liquid oxygen/liquid methane rocket engine for orbit maneuver and attitude control (PDF)

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

Issue:
2023年03期
Page:
56-68
Research Field:
目次
Publishing date:

Info

Title:
System integration and hot-fire test of liquid oxygen/liquid methane rocket engine for orbit maneuver and attitude control
Author(s):
CHENG Cheng1; 2;  ZHOU Haiqing1; 2;  TIAN Gui1; 2;  XIONG Jingyu1; 2;  ZHOU Guofeng1; 2;  ZENG Yeming1; 2
(1. Shanghai Institute of Space Propulsion, Shanghai 201112, China; 2. Shanghai Engineering Research Center of Space Engine, Shanghai 201112, China)
Keywords:
space propulsion system;  liquid oxygen/liquid methane;  orbit maneuver engine;  attitude control engine;  hot-fire test
PACS:
V434.1
DOI:
-
Abstract:
In order to validate the key technologies and safe operating procedures, the first integrated demonstration prototype of pressure-fed liquid oxygen /liquid methane(LO2/LCH4)propulsion system using helium for orbit maneuver and attitude control in China has been developed by Shanghai Institute of Space Propulsion(SISP)from 2019 for the future in-space vehicles. After 3 years, the demonstration prototype was successfully completed multiple rounds of ground hot-fire tests at the end of 2021, with stable system operation, coordinated engine work and good product condition. The design scheme, development process and test results of the demonstration prototype, as well as the design and test of the orbit/attitude control engine, are introduced in this paper. The integrated propulsion system has performed a total of 48 times/about 6 000 s cold state and hot-fire operations. The 5 kN orbit maneuver engine has completed the hot-fire working for 40 times /1 860 s, and the 150 N and 25 N attitude control engines have completed steady-state hot-fire for 1 690 s /pulse ignition for about 1 250 times. The successful hot-fire tests of the demonstration prototype indicates that the LO2/LCH4 space propulsion system in China has achieved a breakthrough from “0” to “1”, which provides a foundation for the subsequent flight applications and a support for the sustainable development of national liquid space propulsion technology.

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