Conference article

Modeling and Simulation of Liquid Propellant Rocket Engine Transient Performance Using Modelica

Liu Wei
School of Mechanical Science & Engineering, Huazhong University of Sci. & Tech., China

Chen Liping
School of Mechanical Science & Engineering, Huazhong University of Sci. & Tech., China

Xie Gang
School of Mechanical Science & Engineering, Huazhong University of Sci. & Tech., China

Ding Ji
Suzhou Tongyuan Software & Control Technology Co., Suzhou, China

Zhang Haiming
Suzhou Tongyuan Software & Control Technology Co., Suzhou, China

Yang Hao
Suzhou Tongyuan Software & Control Technology Co., Suzhou, China

Download articlehttp://dx.doi.org/10.3384/ecp15118485

Published in: Proceedings of the 11th International Modelica Conference, Versailles, France, September 21-23, 2015

Linköping Electronic Conference Proceedings 118:52, s. 485-490

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Published: 2015-09-18

ISBN: 978-91-7685-955-1

ISSN: 1650-3686 (print), 1650-3740 (online)

Abstract

This paper presents a liquid propellant rocket engine (LPRE) model library in Modelica language, containing component models such as pipes, valves, tanks, turbo-pumps, combustion chambers, nozzles, injectors, gas generators, etc. These component models can be applied to establish a variety of liquid rocket engine systems with the capability of predicting engine transient performance during startup process, shutdown process and regulation process. Typical gas-pressurized liquid propellant engine system and turbo-pump liquid propellant engine system are modeled in the paper. Some simulations and analysis are performed to validate models qualitatively. All work is implemented in MWorks, which is a modeling and simulation platform full supporting Modelica.

Keywords

liquid propellant engine; thermo-fluid; startup and shutdown transient

References

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