液体火箭发动机系统静态特性模拟

STATIC CHARACTERISTICS SIMULATION OF LIQUID ROCKET ENGINE SYSTEMS

关键词:  液体推进剂火箭发动机  静态特性  计算机模拟

Key words:  Liquid propellant rocket engine  Static characteristic  Computer simulation

摘要:

以往分析液体火箭发动机系统静态特性的程序都是针对特定的发动机系统编写的,这样的模拟程序缺少通用性,一旦发动机方案发生变化,要重新列系统方程与编程序进行模拟.本文采用基于元件模型的结点方法,探讨了在计算机上自动建立液体火箭发动机静态方程,并且进行数值模拟的方法.运用该软件,用户只要输入发动机元件参数和元件之间的连接关系,计算机就可以自动完成系统模拟工作.

Abstract:

For a long time the computer programs to analyze static characteristics of liquid propellant rocket engine(LRE)systems were written only for specially assigned engine systems.Such programs were lack of generalization .With the variations of engine system schemes,the system equations and the program must be revised to simulate the new system.In. this paper the principle to set up system equations automatically with computer has been investigated by using nodal method based on system component models.With this software,system simulation can be fulfilled automatically by computer with the input of component parameters and link relationships among components by users.