|Table of Contents|

System scheme and performance evaluation of an engine fed by electric pump(PDF)

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

Issue:
2018年02期
Page:
28-32
Research Field:
研究与设计
Publishing date:

Info

Title:
System scheme and performance evaluation of an engine fed by electric pump
Author(s):
WANG Dan; CHEN Hongyu; ZHOU Chenchu
Science and Technology on Liquid Rocket Engine Laboratory,Xi'an 710100,China
Keywords:
mass evaluation;  system scheme;  liquid rocket engine;  electric pump;  gas generator;  performance analysis
PACS:
V430-34
DOI:
-
Abstract:
A system scheme of liquid rocket engine fed by electric pump is put forward. A program for engine performance evaluation is compiled,which could be used to predict the specific impulse of the engine and quality of each component under the conditions of given thrust,mixing ratio and combustion chamber pressure. The research results show that the engine fed by electric pump is suitable for the upper stage engine with long working hours,has a critical time point relevant to combustion chamber pressure,and its cycle mass is lighter than that of gas generator when working time is greater than the point. The electric-pump feed system always has the mass performance advantage when combustion chamber pressure is higher than 2 MPa and working time is longer than 317 s.

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