Simulation Analysis of the Friction Power Consumption of Double Row Angular Contact Ball Bearings for Aero-engine

Yueyang Liu; Haisheng Yang; Bing Su; Sier Deng

doi:10.16578/j.issn.1004.2539.2021.02.020

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Simulation Analysis of the Friction Power Consumption of Double Row Angular Contact Ball Bearings for Aero-engine

Test·Analysis | 更新时间：2022-11-10

- Simulation Analysis of the Friction Power Consumption of Double Row Angular Contact Ball Bearings for Aero-engine
- Journal of Mechanical Transmission Vol. 45, Issue 2, Pages: 129-135(2021)
- 作者机构：
  
  1.河南科技大学机电工程学院，河南洛阳 471003
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.02.020
  CLC：
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刘悦阳,杨海生,苏冰等.航空发动机双列角接触球轴承摩擦功耗仿真分析[J].机械传动,2021,45(02):129-135.

Liu Yueyang,Yang Haisheng,Su Bing,et al.Simulation Analysis of the Friction Power Consumption of Double Row Angular Contact Ball Bearings for Aero-engine[J].Journal of Mechanical Transmission,2021,45(02):129-135.
刘悦阳,杨海生,苏冰等.航空发动机双列角接触球轴承摩擦功耗仿真分析[J].机械传动,2021,45(02):129-135. DOI： 10.16578/j.issn.1004.2539.2021.02.020.

Liu Yueyang,Yang Haisheng,Su Bing,et al.Simulation Analysis of the Friction Power Consumption of Double Row Angular Contact Ball Bearings for Aero-engine[J].Journal of Mechanical Transmission,2021,45(02):129-135. DOI： 10.16578/j.issn.1004.2539.2021.02.020.

摘要

针对某航空发动机用双列角接触球轴承运行过程中摩擦功耗的变化，基于滚动轴承动力学理论，建立了双列角接触球轴承动力学微分方程组，采用预估-校正Adams-Bashforth-Moulton多步积分算法进行求解，分析了轴承工况参数和结构参数对其摩擦功耗的影响规律，并通过正交分析方法对轴承结构参数进行了优化。结果表明，随着轴承转速、轴向载荷、预紧量的增加，轴承总摩擦功耗均呈增大的趋势；随着滚动体个数、内外沟曲率半径系数的增加，轴承总摩擦功耗呈现减小的趋势；内沟曲率半径系数对轴承摩擦功耗影响最大，滚动体个数影响次之，外沟曲率半径系数影响最小。

Abstract

Aiming at the change of frictional power consumption during operation of an aero-engine double-row angular contact ball bearing， based on the rolling bearing dynamics theory， the dynamics differential equations of the double-row angular contact ball bearing are established. The predict－correct GSTIFF （Gear Stiff） integral algorithm with variable step is applied to solve dynamic equations. The influence of bearing operating parameters and structural parameters on its frictional power consumption is analyzed. The bearing structural parameters are optimized by orthogonal test methods. The results show that as the bearing speed， axial load and preload increase， the total friction power consumption of the bearing increases. As the number of rolling elements， the radius coefficients of the inner and outer groove curvatures increase， the total bearing friction power consumption shows a decreasing trend. The radius coefficient of the inner groove curvature has the largest influence on the power consumption of the bearing friction， followed by the number of rolling element， the radius coefficient of the outer groove curvature is the smallest.

关键词

双列角接触球轴承动力学摩擦功耗正交优化

Keywords

Double row angular contact ball bearingDynamicsFriction power consumptionOrthogonal optimization

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