查询词典 turbine-driven

With the developing trend of large size and large capacity, the turbine's natural frequencies are decrescent, maybe reaching the input forces' order of magnitude. So, it is becoming more and more important to analyze the stability of a turbine.

随着水轮机组朝着大尺寸、大容量的方向发展，其自身的固有频率也随之降低，与干扰激振力的频率属于同一数量级，因此，水轮机组运行的稳定性就变成更为重要的问题。

In this paper, a long divinable time evaluation and a short time prediction of some vibration signals of a turbine generator set is processed by the largest Lyapunov exponent mode. And the results show that the method is certainly accurate and reliable to predict future state of a turbine generator set. As a matter of fact, the method can be used to prediction to future running state of any other complex mechanical equipment.

运用最大Lyapunov指数预测模式对发电机组振动信号进行了最长可预测时间估计和短期预测研究，结果证明基于最大Lyapunov指数的预测模式在进行发电机组时序信号预测中具有良好的预测精度和可信度。

The results gained from MACONP are indentical with that of RETRAN02/MOD2 program. Then, Incontrollable Control Rod Withdrawal ATWS , Loss Of Offsite Power ATWS , Turbine Trip ATWS and Loss Of Feedwater ATWS are analyzed emphatically. Based on the LOFW-ATWS analysis, the sensitivity analyses of the influence of some conditions on ATWS process are conducted, such as pressurizer relief valve blocking, putting pressurizer spray in, no turbine trip and decrease of moderator reactivity coefficient. The simulating results agree well with corresponding results of RELAP5/MOD2, both analyses consequences are consistent in the main.

本论文首先应用MACONP程序分析了秦山核电站的汽轮机保护停车瞬态，包括&压力有控制&和&压力无控制&两种情况，所得结果与RETRAN02/MOD2的计算结果吻合；然后着重分析了该电站的控制棒失控提升ATWS、失去厂外交流电源ATWS、汽轮机保护停车ATWS和失去主给水ATWS，并在LOFW-ATWS分析的基础上就稳压器释放阀卡死、稳压器喷淋投入、汽轮机不脱扣和慢化剂反应性系数减小等对ATWS进程的影响作了敏感性分析，仿真结果与RELAP5/MOD2的仿真结果符合良好，对结果进行分析所得到的分析结论也基本一致。

based on polytrophic process of air compression and gas combustion inside the turbine isothermally, an improved gas-turbine with Generality Carnot cycle is suggested. Its performance was predicted with mathematics model compared with traditional one.

基于气体多变压缩以及等温涡轮燃烧技术，提出了一种改进的概括性卡诺循环燃气轮机，通过模型预测分析了其性能，并与传统燃气轮机进行比较。

Rotate speed of 1 hydraulic turbine group measures a principle measurement unit of group rotate speed is like this hydraulic turbine graph 1 place is shown, it is comprised by sensor of 65 micro computer instrument, among them 64 sensor distributing to go up in 4 symmetrical runner shaft, the 65th sensor is in axial center nodical.

该水轮机组转速测量安装如图1所示，它由六十五个微型机械传感器组成，其中六十四个传感器漫衍在对称的四个转轴上，第六十五个传感器在轴的中心交点。

The dissertation analysis different measurement on channel frequency,different vibration signals sets and different location to form each ICA result.With regard to the failure diagnosis of the turbine generator operation,the study has explored the possibilities to detect the failure diagnosis source from the measurement signals.It has also provided sufficient analysis case for the application of separation to detecting failure source on the turbine generator.2.Aiming at the engineering application of overcomplete bases ICA,the dissertation has raised virtual channel on the new method of ICA.It take advantage of some testified knowledge to the constitution of ICA known as, together with other measurement signal to proceed ICA separation,which can increase frequency on the input signal.

分析了以不同测量通道数量、不同振动信号类型组合和不同测点位置组成输入信号的ICA分离效果，并对机组在故障状态下，从测量信号中分离出故障源的可能性进行了探讨，为ICA在汽轮机振动故障源分离方面的应用提供丰富的分析实例。2针对超完备基ICA的工程应用问题，提出附加虚拟通道ICA的新方法，利用某些已经具有先验知识的独立分量构成附加输入信号，与其它测量信号组合在一起进行ICA分离，达到增加输入信号数量的目的。

Plasma ignition for engine is a new pattern portfire, it firstly lights up the start-up oil and form ignition torch to ignite the main oli in the combustor.lt is a new technolygy,at the present only Ukraine have used this technique in marine gas turbine and the ground gas turbine to increase the reliability of retro fires and extend the concentration limit of retro fires.

等离子点火技术是一门新兴技术，目前只有乌克兰将该技术应用到了舰船燃气轮机和地面燃气轮机上，由于该项技术主要点火设备具有独特的放电特性和较大的放电能量，并且能量集中，使发动机的点火可靠性和点火的浓度极限得到了极大的提高。

Technical requirements and optimization strategies in designing wind turbine airfoils are discussed in this paper,and an optimization tool is developed. Researches on multi working points optimization for wind turbine airfoils with high lift-to-drag ratio are carried out.Simulation results show that the optimization strategy developed is of great use in wind turb...

论文综述了风力机翼型开发需求及其相关的优化算法，并且建立了专门用于风力机翼型开发的优化平台，通过采用CFD方法，进行了高升阻比风力机翼型多工况点优化开发的研究，结果表明，作者使用的方法可以完成新型风力机翼型优化设计。

Steam turbine jack pump oil supply system is an oil supply unit designed to reduce motor's starting torque when running turbine jigger and eliminate unlubricated friction between axle neck and axle bush in comply with its operating requirement and industrial standard.

汽轮机顶轴油供油系统是为了减小汽轮机盘车时电动机的启动力矩以及消除轴颈和轴瓦间的干摩擦，而设计的一套符合汽轮机顶轴油系统的运行要求和工业标准的供油装置。

A detailed unsteady numerical simulation has been carried out to investigate the influence of the rotor tip clearance on the performance of a 1+1/2 counter-rotating turbine vaneless counter-rotating turbine

本文对1+1／2对转涡轮+中动叶顶部间隙大小对涡轮性能的影响进行了详细的数值模拟。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。