|Table of Contents|

Modeling and simulations on the thrust regulation process of staged combustion cycle rocket engine(PDF)

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

Issue:
2014年01期
Page:
18-24
Research Field:
研究与设计
Publishing date:

Info

Title:
Modeling and simulations on the thrust regulation process of staged combustion cycle rocket engine
Author(s):
CHEN Hong-yu;  LIU Hong-jun
Xi’an Aerospace Propulsion Institute, Xi’an 710100, China
Keywords:
-
PACS:
V434-34
DOI:
-
Abstract:
The thrust regulating characteristics of the staged combustion cycle LOX/kerosene engine were investigated. The mathematical model of transient process of the engine was developed based on modular modeling means. The nonlinear hyperbolic partial differential equations governing the unsteady flow of pipelines were solved by the Chebyshev pseudo-spectral method. The thrust regulation process of the staged combustion LOX/kerosene Rocket Engine was simulated using the models and the new numerical technique. Results from the numerical simulation agree well with the ground-test data, demonstrating that the methods can accurately predict the transient behavior of the engine. The results show that regulating the less flow rate propellant of the preburner for staged combustion cycle engine can realize thrust regulation. The thrust regulation system has excellent dynamic regulation quality and strong anti-interference ability.

References:

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