Lacking of fault samples is a knotty problem in the fault detection of complex systems such as Liquid-propellant Rocket Engines (LRE).
在对类似于液体火箭发动机这种复杂系统的故障检测过程中，一个非常棘手的问题是缺乏故障类样本。
This paper attempts to analyse the tendency to develop liquid propellant rocket propulsion technology according to the requirements o launch vehicles and spacecrafts.
本文试图根据运载火箭和航天器的需要来分析液体火箭推进技术的发展趋势。
To appreciate the unsteady environment existing in liquid propellant rocket chambers it is necessary that the steady state be well understood.
为了分析液体推进剂火箭发动机燃烧室中存在的非稳态环境，必须很好地了解稳态状态。
This research aimed at the fatalness for using liquid rocket propellant in our country spaceflight launch site, applied the principle of safe system engineering to analysis the dangerous factors.
本研究针对我国航天发射场液体火箭推进剂作业中存在的危险性，利用安全系统工程原理，对推进剂作业的危险因素进行了系统分析。
The general integral equations are derived for liquid and gas components of space propulsion systems with liquid propellant rocket engine.
针对采用液体推进剂火箭发动机的空间推进系统，推导了系统液路和气路的通用积分形式方程。
Conclusion Chronic effect, induced by liquid rocket propellant, was observed in our study.
结论液体火箭推进剂致伤后的远期效应明显。
The priming process of feed lines of cryogenic propellant liquid rocket engines was studied.
研究了低温推进剂液体火箭发动机供应管道系统充填过程的建模问题。
Flow in injector passages of a variable thrust liquid propellant rocket engine was studied.
本文对变推力液体火箭发动机喷注器通道内介质流动进行求解。
Launch capability of liquid rocket engine can be improved by propellant utilization system.
采用推进剂利用系统可以提高运载火箭的发射能力。
The first native liquid-fueled rocket engine used a liquid oxygen and carbon-hydrogen propellant, provided 5.6 tons of thrust, and was installed in unit e.
第一个使用液氧碳氢推进剂的国产液体燃料火箭发动机被安装在了火箭的E段上，它可以提供5.6吨的推力。
A neural network classifier that utilizes fuzzy sets as failure classes of a liquid propellant rocket engine is studied.
研究了一种用模糊集表示火箭发动机故障模式的神经网络分类器。
Its can be applied to evaluate the harmfulness of the liquid propellant rocket explosions for the space vehicle launching site.
理论和实验研究结果可用于航天发射场发生液体火箭爆炸的危害性评估。
Steady state fault detection and diagnosis of liquid propellant rocket engines based on decision tree method;
利用液体火箭发动机作动力装置的火箭，又称液体推进剂火箭。
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.
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 the development of the liquid propellant rocket engine technology from the viewpoint of combustion chamber pressure, thrust level and power cycle.
本文从燃烧室压力、系统工作循环方式以及最大推力三个方面叙述了世界各国液体火箭发动机的技术水平。
Firstly, the static and dynamic mathematic model of the Liquid Propellant Rocket Engine of pressure-fed providing system was established in centralized parameter method.
首先采用集中参数法，建立了挤压式供应系统的液体火箭发动机各部件的静态及动态数学模型。
This paper studies the problem of tradeoff optimization between damage of reusable liquid propellant rocket engine's turbine blade and control input sequences during the start-up process.
针对可重复使用液体火箭发动机起动过程，研究了系统控制输入序列的变化对以涡轮叶片为代表的关键部件累积损伤的影响。
To overcome the difficulties on acquiring enough fault modes from ground and flight test data, the failure process for liquid propellant rocket propulsion systems was modeled.
为克服由于试验或飞行数据不足而无法获取系统足够故障模式的问题，开展了液体火箭推进系统故障过程建模与计算机仿真研究工作。
The modeling of priming process of Liquid Propellant Rocket Engines (LPRE) was studied.
研究了常温推进剂液体火箭发动机充填过程的建模问题。
The dynamic models of engine parts in a new high-performance staged combustion cycle liquid propellant rocket through the module codified were built.
通过模块化编程，建立了新一代高性能补燃发动机启动过程的部件模型。
The structural candidates of centrifugal impeller were designed respectively from single-objective and multi-objective optimization based on the system design of liquid propellant rocket engine.
根据液体火箭发动机系统设计确定的离心泵的性能参数，对泵叶轮的几何参数分别进行了单目标和多目标优化设计。
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。
Noise in the raw acquired data of liquid propellant rocket engine test can reduce accuracy and creditability of the data.
液体火箭发动机试验的原始测量数据中存在着噪声，影响了数据的准确性和可信性。
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。
A calculation of the wall temperature distribution in liquid propellant rocket engine chamber with milled grooves was completed by the aid of three-dimensional finite element method.
采用三维有限元模型对液体火箭发动机铣槽推力室进行了壁温分布计算。边界条件按一维经验公式处理。计算中比较了不同冷却剂流量。
A calculation of the wall temperature distribution in liquid propellant rocket engine chamber with milled grooves was completed by the aid of three-dimensional finite element method.
采用三维有限元模型对液体火箭发动机铣槽推力室进行了壁温分布计算。边界条件按一维经验公式处理。计算中比较了不同冷却剂流量。
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