液体火箭发动机

  • 网络liquid rocket engine;LRE
液体火箭发动机液体火箭发动机
  1. 本文的研究工作,可为开展液体火箭发动机和可重复使用发动机健康监控技术研究及系统研制,提供学术参考和工程借鉴。

    It is believed that these conclusions can provide academic reference and engineering example for research and development of LRE and reusable engine health monitoring technology and system .

  2. 基于AHP的液体火箭发动机地面试验监测参数的选取方法研究

    Study of Monitoring Parameter Selection Based on AHP for LRE in Ground Test

  3. 基于免疫Agent的液体火箭发动机故障诊断

    Fault diagnosis of liquid rocket engine based on immune Agent

  4. 用串行和并行SIMPLE算法对液体火箭发动机燃烧室内的复杂流动进行了数值模拟。

    The complex flow was simulated with sequential and parallel SIMPLE algorithm in the combustion chamber of liquid rocket engine .

  5. 基于CFD的液体火箭发动机喷管型面优化

    Nozzle optimization of liquid rocket engine based on CFD

  6. 基于性能退化数据的液体火箭发动机可靠性Bayes评定

    The Bayes Reliability Assessment for Liquid Rocket Engine Based on Performance Degradation Data

  7. 液体火箭发动机失效的Weibull分布环境因子

    Environmental factor of Weibull distribution for liquid rocket engine failure

  8. 本文的主要工作面向液体火箭发动机设计CAD技术,并选择再生冷却式液体火箭发动机推力室设计CAD技术研究作为方向。

    This paper mainly focuses on CAD of LRE design , and present studies on CAD technique of recycled cooling LRE combustion chamber .

  9. 羽流UV-VIS辐射在液体火箭发动机故障诊断中的应用技术研究

    Study of the fault diagnosis technology for liquid propellant rocket enging by plume UV-VIS radiation

  10. 应用BP神经网络,提出了一种液体火箭发动机故障实时检测系统。

    A fault detection system for a liquid propellant rocket engine was proposed in the realtime conditions using the back propagation ( BP ) neural network .

  11. Elman型神经网络在液体火箭发动机故障预测中的应用

    Application of Elman Neural Network on Liquid Rocket Engine Fault Prediction

  12. 对计算流体动力学(CFD)在液体火箭发动机中的应用情况进行了全面的回顾与分析,提出了今后的发展趋势与方向。

    This paper overviews the application of computational fluid dynamics in liquid propellant rocket engine , presents its trends of development in future .

  13. 基于Gompertz模型的液体火箭发动机可靠性增长分析

    The Reliability Growth Analysis for Liquid Rocket Engine According to The Gompertz Model

  14. 研究了用于液体火箭发动机(LRE)故障仿真与故障检测的神经网络BP(BackPropanation)算法。

    BP ( Back Propagation ) neural network used in liquid rocket engine ( LRE ) failure simulation and detection was described .

  15. 以平台液体火箭发动机为研究对象,改进和完善了用于发动机实时故障检测的自适应阈值门限算法(ATA算法),提高了算法检测的适用性。

    The ATA algorithm was improved for the platform for liquid-propellant rocket engines and the applicability of the algorithm was improved .

  16. 因此,MATA适合于液体火箭发动机涡轮泵的实时故障检测。

    As a conclusion , MATA is suitable for the real time fault detection of LRE turbopump .

  17. 针对液体火箭发动机可靠性增长过程管理是不完备信息下的不确定性决策问题,分别建立了液体火箭发动机的FMEA模型和故障诊断模型。

    As to reliability growth management being an uncertain decision based on imperfect information , FMEA and fault diagnosis model have been built for liquid rocket engine .

  18. 基于化学平衡和化学动力学理论,用C++和FORTRAN编写了液体火箭发动机喷管性能一维计算软件。

    Based on the theory of chemical equilibrium and kinetic methods , one software for one dimensional nozzle performance calculation written by C + + and FORTRAN is introduced in this paper .

  19. 环形不稳定性计算模型在FY-20液体火箭发动机上的应用

    Application of annular instability model to FY-20 liquid propellant rocket engine

  20. 建立了任意斜交曲线坐标系下液体火箭发动机(LRE)内部工作过程的气液两相湍流化学反应流模型。

    Two-phase turbulent reacting flow model of the internal operating processes in Liquid Rocket Engine ( LRE ) is set up in non-orthogonal curvilinear coordinates .

  21. 基于MSPCA的液体火箭发动机试车台氢供应系统传感器故障诊断方法

    Method of Sensor Fault Diagnosis in Liquid Rocket Engine Ground Testing Bed Hydrogen Providing System Based on MSPCA

  22. 利用水力系数(C(ADE))的性质和现有液体火箭发动机管路系统中压力或流量的测量值,进行适当分段组合,计算出相应的压力和水力系统改变量。

    Using the definition of hydraulic coefficient and existent measurements of pressure or flow in pipes of liquid rocket engine , the pressure and the change amount of hydraulic coefficient will be determined according to appropriate calculation of a certain separate pipe .

  23. 以YF-75发动机为平台的三组元液体火箭发动机系统设计

    System Design of Tripropellant Liquid Rocket Engine Based on YF - 75 Rocket Engine

  24. 基于液体火箭发动机性能试验数据服从正态分布的条件,假定天地试验环境下分布的标准差不变,运用Bayes方法对正态分布天地试验条件下的环境因子进行分析。

    Based on the condition that the performance test data of liquid rocket engine is subject to normal distribution with constant standard deviation , the Bayes method is used to analyze the environment factor of ground and space performance test .

  25. 通过转子试验平台实时数据和液体火箭发动机历史试车数据,验证了TP-FDS。

    Then , with the help of historical data from LRE test as well as real-time data from rotor test platform , the TP-FDS was validated .

  26. 本文用环形不稳定性计算模型计算、分析了FY-20液体火箭发动机的切向高频燃烧不稳定性。

    This paper presents computation and analysis of tangential mode of high frequency combustion instability in FY-20 liquid propellant rocket engine by means of the annular instability model .

  27. 为了实时监控液体火箭发动机涡轮泵的状态,提高安全性,降低故障带来的破坏程度,提出了一种多特征参量自适应阈值综合决策算法(MATA)。

    In order to monitor the conditions of Liquid Rocket Engine ( LRE ) turbopump in real time , enhance its safety and minimize the loss of its faults , a Multi-feature Adaptive Threshold compositive decision-making Algorithm ( MATA ) was presented and realized in this paper .

  28. 液体火箭发动机寿命可靠性的贝叶斯下限

    Bayesian Lower Limit of Life-time Reliability for Liquid Propellant Rocket Engine

  29. 液体火箭发动机热试车数据微机自动采集系统

    A microcomputer data auto-acquisition system in liquid rocket engine firing tests

  30. 模态区间在液体火箭发动机故障诊断中的应用

    Application of Modal Intervals in the Diagnosis of Liquid-propellant Rocket Engine