combined ciritical speed是什么意思

网络释义

用法例句

Optimum design for rational aligning of the ship s shaft system;

船舶轴系合理校中的最优化设计

Through analysis,the main causes of shaft system vibration were:problems exiseted in the foundation of generator,alignment of coupling and erection quality etc.

通过分析轴系振动的主要原因为:发电机基础问题、联轴器中心、安装质量问题等。

The shafting for turbogenerator unit has become longer due to its capacity increase,meanwhile,rotor components may have inevitable mass eccentricity with increase of service time,that would bring apparent coupled lateral and torsional vibration of the turbogenerator shaft system.

随着汽轮发电机组容量增大,轴系增长,在役运行时间增加,转子部分多数会有质量偏心现象出现,这使得转子轴系的扭转振动与弯曲振动的耦合作用明显增强。

Feature-based shaft-like part 3D solid modeling and assembling;

基于特征的轴系零部件三维实体模型的建立与拼装

Marine propulsion shafting is one of the main parts of marine propulsion plant.

船舶推进轴系是船舶推进装置的重要组成之一。

Based on 3D CAD Solid Edge environment,the basic principle for feature-based shaft-like part design was proposed by adopting the second development and parameterized design technology.

基于三维CAD软件Solid Edge环境,采用二次开发技术和参数化设计技术,提出了基于特征设计轴系零部件的设计思路,并对该CAD系统中的轴特征拼接平台、轴系零部件的装配平台、特征库和特征参数的数据库的建立进行了详细的论述。

Method of shafting aligment of ship inside dock to satisfy its request at float appearance;

驻坞船舶轴系对中满足浮态要求的方法

The effect of high operating condition turbopump shafting status on reliability;

高工况涡轮泵轴系状态对工作可靠性的影响

Dynamical Simulation and Optimization of Shafting Based on Virtual Prototype Technology;

基于虚拟样机技术的轴系动力仿真及优化

Programming of critical speed of steam turbine rotor system;

汽轮机组轴系临界转速计算程序的编制

This paper makes presentation of 125MW steam turbine structure features, elaborates calculation of alignment of HP and IP rotor and LP rotor system with cases, meanwhile describes experiences of adjustment of whole rotor system for better handling the similar problems in future practice.

主要介绍了125MW汽轮机组结构特点,并结合实例对高中压转子和低压转子联接找中心计算进行了详细的阐述;同时对整个轴系调整的一些经验进行叙述,为实践中更好地处理类似问题提供一定的参考。

An experimental study for the lateral torsional vibrations of turbogenerator set rotor system caused by electromagnetic excitations is made.

进行了发电机组轴系电磁激发横、扭耦合振动的实验，得到了当扭振满足强迫共振时电磁激发轴系横、扭耦合振动的规律，验证了文献［１］的理论结果。

This paper is intend to demonstrate some mehtod used in the evaluation of the fatigue life expenditure of the 600MW turbine generator shafts under abnormal operation.

介绍天津盘山发电厂将要安装的国产６００ＭＷ汽轮发电机在异常工况下轴系的疲劳损耗研究情况。

First,the system boundary of machines affecting the shafts,such as the guide bearings,seal,electrical and hydraulic forces,the water in the runner etc,is analyzed.

轴系是水轮发电机组的重要组成部分，它的动力特性优劣直接关系到整个机组运行可靠性、寿命和经济指标，因此对大型水轮发电机组进行理论分析具有重要意义。