发动机推进剂增压输送系统建模仿真技术综述

Overview of modeling and simulation technology for propellant pressurization feed system of liquid rocket engine

建模仿真是研究液体火箭发动机推进剂增压输送系统性能特性的有效手段,仿真可缩短研制周期,减少研制费用。总结了国内外液体火箭发动机推进剂增压输送系统的建模方法、数值求解技术的发展概况,并针对增压输送系统模块化的特点,介绍了航空航天领域主要流体仿真软件的功能及国内外利用商业建模仿真平台进行推进剂增压输送系统仿真研究的应用情况,为大推力液体火箭发动机增压输送系统工作特性仿真研究提供借鉴。

Modeling and simulation are valid methods of studying the performance of propellant pressurization feed system of liquid rocket engine, which can shorten the design time and reduce the cost. In this paper, the general development situation of modeling methods and numerical calculation technologies of propellant pressurization feed system of liquid rocket engine is summarized. The functions of major fluid simulation softwares and their usage in the simulation study of propellant pressurization feed system in aeronautics and astronautics applications are introduced in allusion to their modularity characteristics. The result can be used as a reference of characteristic simulation of large thrust rocket engine.