补燃循环发动机启动特性仿真研究

推进技术 ›› 1999, Vol. 20 ›› Issue (3): 5-9.

补燃循环发动机启动特性仿真研究

刘红军,张恩昭,董锡鉴

陕西动力机构设计研究所;陕西动力机构设计研究所;陕西动力机构设计研究所

发布日期:2021-08-15

START UP SIMULATION OF A LIQUID PROPELLANT STAGED COMBUSTION ROCKET ENGINE

Shaanxi Engine Design Inst.,Xi’an,710100;Shaanxi Engine Design Inst.,Xi’an,710100;Shaanxi Engine Design Inst.,Xi’an,710100

Published:2021-08-15

摘要/Abstract

摘要： 在建立动态数学模型的基础上，对某型高压补燃循环液体火箭发动机启动过程的动态特性进行了计算机仿真，得到发动机推进剂入口压力变化与阀门开关时序变化对发动机启动特性影响的规律。

关键词: 液体推进剂火箭发动机;启动段;动态模型;性能预测;系统仿真

Abstract: This paper focused on the simulation of the start up dynamic characteristics for a liquid propellant staged combustion rocket engine.On the base of the establishment of the start up dynamic model,a simulation code was developed,and the effects of inlet pressure variation and valve timing on the start up dynamic process were simulated

Key words: Liquid propellant rocket engine;Starting phase;Dynamic model;Performance prediction;Systems simulation

刘红军,张恩昭,董锡鉴. 补燃循环发动机启动特性仿真研究[J]. 推进技术, 1999, 20(3): 5-9.