Distributed parameter numerical simulation for the transients of cryogenic propellant tank pressurization system (Ⅱ) Numerical model and simulation results of pressurization system

CHEN Yang; ZHANG Zhen-peng; YANG Si-feng; QU Qian; CHEN Feng; ZHU Zi-huan

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Distributed parameter numerical simulation for the transients of cryogenic propellant tank pressurization system (Ⅱ) Numerical model and simulation results of pressurization system

更新时间：2026-07-07

- Distributed parameter numerical simulation for the transients of cryogenic propellant tank pressurization system (Ⅱ) Numerical model and simulation results of pressurization system
- Vol. 23, Issue 2, (2008)
- 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：2008
- 稿件说明：
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CHEN Yang, ZHANG Zhen-peng, YANG Si-feng, et al. Distributed parameter numerical simulation for the transients of cryogenic propellant tank pressurization system (Ⅱ) Numerical model and simulation results of pressurization system[J]. 2008, 23(2).
DOI：

CHEN Yang, ZHANG Zhen-peng, YANG Si-feng, et al. Distributed parameter numerical simulation for the transients of cryogenic propellant tank pressurization system (Ⅱ) Numerical model and simulation results of pressurization system[J]. 2008, 23(2). DOI：

摘要

在所建立低温推进剂分布参数贮箱模型的基础上

采用液体火箭发动机试验台气路系统模块化建模与仿真软件

对某试验台液氧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研究.仿真结果与试验结果以及经验公式计算结果获得了很好的一致

表明分布参数贮箱模型相对于集中参数模型更为准确全面地描述了低温贮箱内的流动和热分层现象

并表明有限体积模型体系及所开发的仿真软件具有广泛的适用范围和良好的仿真精度

在管路系统仿真领域具有工程应用价值和数值拓展潜力.

Abstract

Based on the distributed parameter numerical model of cryogenic propellant tank

pressurization of a LO2 tank pressurization system during engine firing was simulated by employing the liquid rocket engine test-bed modularization modeling and simulation software-gas system(LRETBMMSS-GS).The simulation results agree well with test data and experiential correlation prediction

which shows that the distributed parameter tank model is more accurate and comprehensive than lumped parameter model in describing flow and thermal stratification phenomena in cryogenic tank.Accordingly

the numerical system of finite volume model and corresponding simulation software have a wide applicability and good simulation precision

which are valuable and can be developed further in pipe system simulation field.

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Related Institution

State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University

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Department of Power and Propulsion, School of Engineering, Cranfield University, Bedfordshire MK4

State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics

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