|Table of Contents|

Simulation analysis of air turbo rocket engine(PDF)

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

Issue:
2021年03期
Page:
67-73
Research Field:
研究与设计
Publishing date:

Info

Title:
Simulation analysis of air turbo rocket engine
Author(s):
ZHU Yan; WU Yizhen; MA Yuan; NAN Xiangyi
Xi'an Aerospace Propulsion Institute,Xi'an 710100,China
Keywords:
air turbo rocket engine;  sensitive parameter;  performance evaluation;  propellant
PACS:
V430
DOI:
-
Abstract:
Based on the whole system mathematical model of Air Turbo Rocket,this paper focuses on Air Turbo Rocket engine research and the influence of different propellants on the engine.And based on the analysis the influence of key parameters of engine components on thrust and specific impulse,the range of key engine parameters was determined.The result shows: the liquid oxygen and methane propellant have relative advantage in thrust,and the liquid hydrogen and oxygen propellant have great advantage in specific impulse.The increase in turbine efficiency has the most significant impact on the engine specific impulse,for every 1% increase in turbine efficiency,the specific impulse increases by an average of 9.1 s.The effect of compressor efficiency is second,the specific impulse increases by an average of 8.0 s.As the efficiency of turbine and compressor efficiency increases,engine specific impulse increases and thrust decreases.As combustion efficiency increases,engine specific impulse and thrust increase.

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