Numerical simulation f or tank pressurization system of L RE test-bed

CHEN Yang; ZHANG Zhen-peng; QU Qian; ZHU Zi-huan

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Numerical simulation f or tank pressurization system of L RE test-bed

更新时间：2026-07-07

- Numerical simulation f or tank pressurization system of L RE test-bed
- Vol. 22, Issue 1, (2007)
- 作者机构：
  
  1. 北京航空航天大学宇航学院,北京,100083
  2. 北京航天试验技术研究所,北京,100074
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2007
- 稿件说明：
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CHEN Yang, ZHANG Zhen-peng, QU Qian, et al. Numerical simulation f or tank pressurization system of L RE test-bed[J]. 2007, 22(1).
DOI：

CHEN Yang, ZHANG Zhen-peng, QU Qian, et al. Numerical simulation f or tank pressurization system of L RE test-bed[J]. 2007, 22(1). DOI：

摘要

在不考虑传热传质的情况下建立了一种简化的贮箱模型

并采用液体火箭发动机试验台气路系统通用模块化建模与仿真软件对容腔放气过程和某试验台贮箱增压系统在发动机点火工作段的增压过程进行了仿真

计算结果与分析解和试验结果获得了较好的一致

验证了软件的有效性和通用性.对两个系统的建模过程表明软件所采用的模块化建模与仿真方法适用于对复杂管网的建模

在液体火箭发动机系统仿真上具有较好的应用前景.对贮箱增压系统的仿真表明

合理设计PID控制参数并根据经验预置与额定流量相近的调节阀初始开度

对于提高增压系统起动过程的平稳性有利.

Abstract

A simple model of propellant tank was established by neglecting mass and heat transfer between the propellant and pressurant.Then by employing the modularization modeling and simulation software for liquid rocket engine（LRE） test-bed gas system（LRETBMMSS-GS）

blowdown of a tank and pressurization of a LO2 tank pressurization system during engine firing were simulated.The simulation results are in good agreement with the analytical solution and test data.Accordingly

the software is validated to be effective and versatile.The progress of modeling two systems shows that the method of MMS is suitable for modeling complicated LRE system and can be used to simulate all kinds of working processes of LRE system.The simulation of LO2 tank pressurization system indicates that PID control parameters should be set reasonably and the initial opening of pneumatic diaphragm control valve should be adjusted to nominal pressurant mass rate

which is effective to improve stability of pressurization starting transient.

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Related Institution

School of Aerospace, Tsinghua University

School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics

Bejing Control Engineering Institute

Control and Simulation Center, Harbin Institute of Technology

College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics

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