摘要
500 tf级液氧煤油高压补燃发动机是我国下一代航天主动力,将大幅提升我国航天动力的技术水平,为我国航天发展提供强大动力。发动机采用高压补燃循环系统、泵后摇摆和双推力室方案,具有无毒环保、高性能、高可靠、推力和混合比可调节、使用维护便捷等特点,发动机研制需突破分级启动、健康管理、泵后摇摆、大功率高效涡轮泵、高压大流量高性能燃烧组件、高压大流量调节组件及低温阀门、发动机新工艺与热试验等多项关键技术。目前已完成发动机的方案设计和生产,开展了大量试验验证,完成半系统试车和首台整机装配,关键技术取得重大突破,为发动机后续工程研制奠定了基础。
The 500 tf class high pressure stage combustion LOX/kerosene rocket engine is the main power for next-generation rocket.The engine will greatly improve the technical level of rocket engine and provide a strong power for space development in China.In the general design of high pressure stage combustion cycle,swinging after pump and two thrust chambers are adopt.The engine has the characteristics of innocuous,high performance,high reliability,adjustable thrust and mixture ratio,and convenient for use.The key technologies should be breached,including stepped starting,health management,swinging after pump,high-power high-efficiency turbo-pump,high-pressure high-efficiency high-flow-rate combustion subassembly,high-pressure high-flow-rate regulator and low-temperature valve,new product technics and new test.Main development of the engine is that,the design and production of the engine,many experiments,half system tests and production of the first engine have been finished.The key technologies were validated,that lay a foundation for the intending development of the engine.
作者
李斌
陈晖
马冬英
高玉闪
LI Bin;CHEN Hui;MA Dongying;GAO Yushan(Academy of Aerospace Propulsion Technology, Xi'an 710100, China;Xi'an Aerospace Propulsion Institute, Xi'an 710100, China)
出处
《火箭推进》
CAS
2022年第2期1-10,共10页
Journal of Rocket Propulsion
基金
国家自然科学基金(51575418)。
