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자료유형
학술저널
저자정보
Won Kook Cho (Korea Aerospace Research Istitute) Chun Il Kim (University of Alberta)
저널정보
항공우주시스템공학회 International Journal of Aerospace System Engineering International Journal of Aerospace System Engineering Vol.5, No.2
발행연도
2018.12
수록면
16 - 22 (7page)

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초록· 키워드

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An analysis has been made on the performance variation due to pressure drop change at propellant supply pipes of liquid rocket engine. The objective is to compare the effectiveness of control variables to tune the liquid rocket engine performance. The mode analysis program has been used to estimate the engine performance for different modes which is realized by controlling the flow rate of propellant. The oxidizer of combustion chamber, the fuel of combustion chamber, the oxidizer of gas generator and the fuel of gas generator are the independent variables to control engine thrust, engine mixture ratio and temperature of gas generator product gas. The analysis program is validated by comparing with the powerpack test results. The error range of compared variables is order of 4%. After comparison of tuning effectiveness it is turned out that the pressure drop at oxidizer pipe of gas generator and pressure drop at combustion chamber fuel pipe and the pressure drop at the fuel pipe of gas generator can effectively tune the thrust of engine, mixture ratio of engine and temperature of product gas from gas generator respectively.

목차

Abstract
1. Introduction
2. Analysis method
3. Results and Discussions
4. Conclusions
References

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