椭圆轴承

椭圆轴承&转子系统失稳运动数值分析

Numerical analysis of unstable motion of elliptic bearing - rotor system

椭圆轴承动态特性系数的有限元解

Finite Element Solution on Dynamics Coefficients of Elliptic Bearing

分析了200MW汽轮发电机组稳定性，以稳定裕度、失稳转速和灵敏度为目标对椭圆轴承的主要参数进行优化分析。

The stability of the200 MW turbogenerator is analyzed and optimized analysis is made for the major parameters of its oval bearings , including the stability margin , speed instability and sensitivity .

非线性油膜力数据库方法获得非圆滑动轴承的非线性油膜力，利用Runge-Kutta法、Poincaré映射和频谱图对刚性Jeffcott转子&椭圆轴承系统在较宽参数范围内的分叉和非线性动力学行为进行研究。

The nonlinear dynamic bifurcation behavior of a rigid Jeffcott rotor-non-circular bearing system was investigated in a wide rang of parameters based with the help of Runge-Kutta method , Poincar é map and frequency spectrum . The journal bearing oil film forces were obtained from database .

计入热效应下的椭圆轴承动态特性计算

Study of Elliptical Bearing ′ s Dynamic Properties Considering Thermal Effects

椭圆轴承&转子系统非线性运动及稳定性分析

Stability and nonlinear response of rotor system with elliptical sliding bearing support

紊流工况下椭圆轴承性能研究

Study of the performances of the elliptic journal bearing under turbulent conditions

转子-椭圆轴承系统混沌运动的研究

Chaotic motion of rotor - elliptical journal bearings system

不同油膜力模型下转子椭圆轴承系统的动力学分析

A Dynamic Analysis of a Rotor-Elliptic bearing System Using Different Oil-film Force Models

椭圆轴承-转子系统快速运动状态分析

Fast Analysis of Motion State for Elliptic Bearing-Rotor System

上瓦带挡板椭圆轴承性能研究

A study on the performances of elliptical bearing with a board on upper pad

椭圆轴承特性及参数分析

Characteristics and Parametric Analysis of Elliptical Bearings

30万千瓦汽轮机φ450椭圆轴承性能的试验研究

Research and Tests on the Performance of the φ 450 Elliptical Bearing of 300 MW Steam Turbine

本文提供了椭圆轴承较详尽的静态、动态特性及稳定性资料。

The static and dynamic characteristics as well as the stability data of elliptical bearings are presented in considerable detail .

在此基础上提出了制造和安装椭圆轴承时控制错位的一些原则。

According to these analyses , some criteria to control the displacement in manufacture and installation of elliptical bearing are established .

为认识改进型椭圆轴承的性能特点，将其与传统椭圆轴承、圆柱轴承在相同条件下进行了性能对比以发现其优越性。

To discover performance advantages of modified elliptical bearing , traditional elliptical bearing and cylinder bearing are compared with it under same conditions .

讨论了在设计参数及运行条件下椭圆轴承和三油楔轴承在中、轻载区的稳定性裕度。

The stability allowance of elliptic bearing and three oil wedge under the design parameter and operating condition in middle and light loading area is discussed .

本文借助数值计算方法分析了安装错位对椭圆轴承静动特性的影响。

In this paper , the influence of installational displacement on the static and dynamic characteristics of the elliptical bearing is analyzed by the numerical calculation method .

研究结果为在实际旋转机械转子-椭圆轴承系统进行非线性动力学分析和设计时，选择油膜力模型提供了依据。

The foregoing provides a basis for the selection of oil-film force model during the nonlinear dynamic analysis and design of an actual rotating mechanical rotor-elliptic bearing system .

为提高本文研究成果对工程实践的价值，对改进型椭圆轴承静动特性随长径比、载荷、转速、润滑油粘度等条件变化时的性能变化趋势进行了计算研究。

To support the application in project practice , change trends of modified elliptical bearing performance with the aspect ratio , load , speed , oil viscosity and other conditions are also studied .

本文简要叙述了液体动压轴承承载能力的有限元分析，然后给出了滑块、推力轴承、圆轴承、椭圆轴承以及多油楔轴承的数值计算格式。

The finite element analysis in loading capacity for hydrodynamic bearings was briefly described . And then the numerical calculation forms for slider , thrust bearing , elliptical bearing and multi & lobe bearing were presented .

为了与实验研究相配合，从理论上比较了用不同沟槽结构参数的椭圆轴承支承的转子轴承系统的阻尼变化趋势，定量地判断了系统的失稳转速。

In order to coordinate with the experiment study , and compared the change trend of damping for rotating-bearing system supported by elliptical bearing that have different grooved structure parameter in terms of theory , and quantitative judge the lose stability speeds .

并以椭圆滑动轴承&刚性转子系统为例，对系统失稳后的运动状态进行了计算和分析。

Using this method , the motion after loss of stability of an elliptic bearing rigid rotor system is calculated and analyzed in detail .

结合某燃汽轮机主轴承中100的设计，试验研究了二种可倾瓦轴承，二种椭圆瓦轴承的静特性。

For the sake of designing the main bearings of a gas turbine the static characteristics of two tilting pad bearings and two elliptical bearings were studied .