| 液氢液氧火箭发动机预冷与启动过程数值模拟综述 |
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| 引用本文： | 程谋森,刘昆,张育林.液氢液氧火箭发动机预冷与启动过程数值模拟综述[J].推进技术,2002,23(3):177-181. |
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| 作者姓名： | 程谋森 刘昆 张育林 |
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| 作者单位： | 国防科技大学,航天与材料工程学院,湖南,长沙,410073 |
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| 基金项目： | 国家自然科学基金资助 (5 9886 0 0 3) |
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| 摘 要： | 从预冷与启动过程推进剂供应管路内低温瞬变流计算、启动过程涡轮泵动态模型、燃烧室内点火过程动态模型、发动机瞬变模型的降阶方法及发动机系统动态方程解算的数值方法等几个方面，介绍了液氢液氧发动机预冷与启动过程数值模拟研究现状，分析了存在的问题，指出了进一步开展研究的方向。
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| 关 键 词： | 氢氧发动机 启动仿真 仿真模型 数值算法 述评 |
| 文章编号： | 1001-4055(2002)03-0177-05 |
| 修稿时间： | 2001年5月21日 |
Review on the models and numerical methods for simulation of precooling and starting process of LOX/LH2 rocket engine |
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| CHENG Mou sen,LIU Kun and ZHANG Yu lin.Review on the models and numerical methods for simulation of precooling and starting process of LOX/LH2 rocket engine[J].Journal of Propulsion Technology,2002,23(3):177-181. |
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| Authors: | CHENG Mou sen LIU Kun and ZHANG Yu lin |
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| Institution: | Inst of Aerospace and Material Engineering, National Univ of Defence Technology, Changsha 410073, China;Inst of Aerospace and Material Engineering, National Univ of Defence Technology, Changsha 410073, China;Inst of Aerospace and Material Engineering, National Univ of Defence Technology, Changsha 410073, China |
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| Abstract: | The current status of research on numerical simulation of pre cooling and starting process of LOX/LH 2 rocket engine was surveyed, with relevant aspects as follows: numerical simulation for cryogenic fluid transient in propellant feed system, dynamic models of turbo pump and ignition process in the combustion chamber during startup, the order reducing methods for the system transient models, and numerical solvers for the system mathematical equations The deficiency of existing models and numerical methods were explained, and the development direction was suggested |
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| Keywords: | Hydrogen oxygen engine Takeoff simulation Simulation model Numerical algorithm Review |
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