涡轮泵

Through the analysis, formulae for the power cycle efficiency of liquid propellant rocket engines are set up.

一、引言液体火箭发动机动力循环的概念是涡轮泵输送系统中涡轮工质的能量转换过程。

A tradeoff between turbine temperature and pump discharge pressure is normally made to establish the turbopump requirements.

一权衡之间的温度和涡轮泵的排气压力，通常建立涡轮泵的要求。

As the centre of liquid-rocket-engine, the importance of the liquid hydrogen turbopump is significant. Turbopump rotordynamic instability problems concern many influencing factors, and there is great difficulty in solving them.

作为液体火箭发动机的心脏，液氢涡轮泵的重要性不言而喻，其中涡轮泵转子系统的动力稳定性问题中涉及的影响因素很多，其分析研究的难度也极大。

The rocket engine turbopump, in addition to being a high energy/weight ratio machine, must be designed to operate with the pump at cryogenic conditions and the turbine at high temperature.

火箭发动机涡轮泵中，除了作为一个高能量/重量比的机器，设计必须与泵在低温条件和汽轮机的高温。

Bearings outboard of the turbine generally require additional cooling, dynamic seals and support structure, which add complexity to the turbopump design.

轴承的舷外的涡轮一般需要额外的冷却系统，动态密封结构和支持，其中新增的复杂性，以涡轮泵的设计。

Various turbopump configurations will be discussed at a conceptual design level, utilizing the disciplines involved in the design selection process, the "state of the art" of rotating machinery when each design took place, and the engine cycle requirements that influence the turbopump design.

各种涡轮泵的配置将讨论的概念设计水平，利用学科所涉及的设计甄选过程中，"国家最先进的"旋转机械时，每个设计发生的，和发动机的要求，周期的影响涡轮泵的设计。

The framework and approaches of turbopump post test data analysis were presented. Using the traditional time domain features of vibration signals, the turbopump history test data were analyzed, and based on the results some conclusions were drawn.

2提出了涡轮泵事后数据分析的步骤和软件总体框架，利用振动分析中常用的时域统计特征参量，对涡轮泵历史试车数据进行了统计分析，并对分析结果进行了讨论。

A number of problems concerning the design of the high speed turbopump will be discussed in this paper, with the emphasis on t

本文着重讨论高速涡轮泵设计中泵的汽蚀性能、轴承、密封、涡轮转子强度、涡轮泵转子的动态稳定性等若干问题。

To deal with the lack of fault samples in the fault detection of a Liquid Rocket Engine turbopump, a detection model based on one-class support vector machines was founded.

针对在火箭发动机涡轮泵的故障检测过程中缺乏故障样本的问题，应用单类支持向量机，为高速涡轮泵试车数据分析建立了一种新异类检测超球模型。

The vibration characteristics of an oxygen-turbopump rotor with a cantilever turbine disk of rocket engine have been studied on a rotating test rig.

在旋转试验器上研究了带悬臂涡轮盘火箭发动机氧涡轮泵转子的振动特性，并在此基础上完成了氧涡轮泵转子的高速动平衡试验。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了