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- The leak of Liquid Rocket Engine (LRE) is very common and dangerous. 液体火箭发动机的泄漏是常见和极其危险的故障。
- The integrity test of Liquid Rocket Engine (LRE) must be carried out before its launch. 在液体火箭发动机发射前,必须进行完整性试验。
- Vacuum vessel seal structure used in the leak test of a liquid rocket engine turbopump is discussed. 论述了某型号液体火箭发动机涡轮泵高压低温静密封检漏试验用真空室密封结构的设计问题。
- The study may be helpful for fault diagnostics of the start up of liquid rocket engine (LRE). 为液体火箭发动机启动过程的故障诊断提供参考依据。
- Rotor dynamic is one of the most complicated problems in development of LOX turbopump of liquid rocket engine. 转子动力学问题是液体火箭发动机研制中最复杂的问题之一。
- Unsymmetrical dimethylhydrazine (UDMH) is the main fuel of liquid rocket propellant. Stress is always laid on the pollution of UDMH to water. 偏二甲肼(UDMH)是液体推进剂的主体燃料,其对水体的污染一直倍受重视。
- Abstract: To review the progress in the major ass ignment, the organization and implementation of protection against liquid rocket propellent. 文摘:综述了发射大型运载火箭推进剂作业卫勤保障主要任务、保障重点、卫勤力量的分配、卫勤保障的组织和实施进展。
- Abstract :To review the progress in the major ass ignment, the organization and implementation of protection against liquid rocket propellent. 摘要 :综述了发射大型运载火箭推进剂作业卫勤保障主要任务、保障重点、卫勤力量的分配、卫勤保障的组织和实施进展。
- To review the progress in the major ass ignment, the organization and implementation of protection against liquid rocket propellent. 综述了发射大型运载火箭推进剂作业卫勤保障主要任务、保障重点、卫勤力量的分配、卫勤保障的组织和实施进展。
- Spin often interferes with internal operation of liquid rockets. 液体火箭的旋转常常会干扰其内部工作。
- Technology of loxodrome coolant channel machining on liquid rocket engine. YUHANG XUEBAO/Journal of Astronautics. Vol.24 No.3. May,2003. Wang Yongqing, Lu Jiechi,Tong Yu. 等倾角螺旋槽的片铣刀铣削加工技术.;工具技术
- This paper mainly discusses available structures of the liquid hybrid bearings and the key technologies that need to be solved for the liquid rocket engine turbopump. 针对液体火箭发动机涡轮泵特殊工作环境,讨论了流体动静压轴承可采用的结构形式和需要解决的关键技术。
- By analyzing the working characteristics of the liquid rocket engine, strategies of applying data mining from the point of view of the data warehouse for FDD of LRE are proposed. 分析表明,聚类、类、联、间序列分析和孤立点检测等数据挖掘方法适用于液体火箭发动机的故障检测和诊断。
- Coaxial hydrogen/oxygen resonance ignitor is non-electric and bluntly sensible, which is good ignition scheme for the developing reusable liquid rocket engine. 非电钝感的同轴氢氧谐振点火器可作为正在研究发展中的可重复使用液体火箭发动机多次点火的优选方案之一。
- A physical model of the automatic control system of a pump-fed Liquid Rocket Engine (LRE) is constructed, for which a nonlinear mathematical model is built. 摘要以能多次启动的某泵压式液体火箭发动机的自动控制系统为研究对象,构造了液体火箭发动机自动控制系统的物理模型,并对其建立了非线性的数学模型。
- The pattern of liquid rocket propellant seep and steam diffusion is discussed in this paper, and the model of quantitative analysis is also established. 讨论了航天发射场液体推进剂泄漏及蒸汽逸散的模式,并建立了定量分析模型。
- Through dynamic time warping analysis to the hot-fire test data and simulated fault data of a certain liquid rocket engine,the warped path sets were obtained. 对某大型液体火箭发动机的热试车数据及通过发动机模型仿真得到的故障数据进行动态时间弯曲分析,得到弯曲路径集,然后结合决策树方法进行了故障检测和诊断。
- Technology of loxodrome coolant channel machining on liquid rocket engine. YUHANG XUEBAO/Journal of Astronautics. Vol.24 No.3. May,2003. Wang Yongqing,Lu Jiechi,Tong Yu. 等倾角螺旋槽的片铣刀铣削加工技术.;工具技术
- The manifestations of parameters are extracted from the simulated fault data for 16 common fault modes,these manifestations are used to establish the set cover model of multi faults diagnosis for liquid rocket engine(LRE) system. 通过从故障仿真数据中提取常见故障的效应参数症状 ,建立发动机的集合覆盖多故障诊断模型。
- The theory of S1 and S2 stream surface was applied to calculate and analyze the internal transonic flow field for a two-stage axial turbine used in turbopump for liquid rocket engine. 摘要应用S1,S2流面理论对某大型液氢/液氧火箭发动机涡轮泵的两级轴流式涡轮内部跨声速流场进行计算和分析。