Simulation Analysis of Churning Loss of Internal Cavity Structure of Gearbox based on MPS Method

Dong Guo; Dongyuan Luo; Fangchao Chen

doi:10.16578/j.issn.1004.2539.2022.03.004

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Simulation Analysis of Churning Loss of Internal Cavity Structure of Gearbox based on MPS Method

Theory·Reserach | 更新时间：2022-09-24

- Simulation Analysis of Churning Loss of Internal Cavity Structure of Gearbox based on MPS Method
- Journal of Mechanical Transmission Vol. 46, Issue 3, Pages: 24-30(2022)
- 作者机构：
  
  1.重庆理工大学汽车零部件先进制造技术教育部重点实验室，重庆 400054
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.03.004
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郭栋,罗冬源,陈芳超.基于MPS方法的齿轮箱内部型腔结构搅油损失仿真分析[J].机械传动,2022,46(03):24-30.

Guo Dong,Luo Dongyuan,Chen Fangchao.Simulation Analysis of Churning Loss of Internal Cavity Structure of Gearbox based on MPS Method[J].Journal of Mechanical Transmission,2022,46(03):24-30.
郭栋,罗冬源,陈芳超.基于MPS方法的齿轮箱内部型腔结构搅油损失仿真分析[J].机械传动,2022,46(03):24-30. DOI： 10.16578/j.issn.1004.2539.2022.03.004.

Guo Dong,Luo Dongyuan,Chen Fangchao.Simulation Analysis of Churning Loss of Internal Cavity Structure of Gearbox based on MPS Method[J].Journal of Mechanical Transmission,2022,46(03):24-30. DOI： 10.16578/j.issn.1004.2539.2022.03.004.

摘要

为探究内部型腔结构对搅油损失的影响规律，提升汽车传动系统效率，以齿轮箱为研究对象，运用移动粒子半隐式法建立了齿轮箱搅油损失数值仿真模型；通过数值仿真结果并结合润滑油分布情况分析了不同轴向间隙、径向间隙、挡油板、集油槽和内部型腔对搅油损失的影响规律。分析结果表明，搅油损失与轴向间隙呈非线性正相关关系，但当轴向间隙到达一定数值后，对搅油损失的影响较小；与径向间隙呈非线性负相关关系，且随着径向间隙的增加，其下降的趋势变小；挡油板和集油槽结构能降低搅油损失，且随着其长度的增加，效果更加显著；流线型型腔与圆弧状型腔会在一定程度上增大搅油损失。

Abstract

In order to explore the influence of the internal cavity structure on the churning loss and to improve the efficiency of the automobile transmission system，the gearbox is used as the research object，and a numerical simulation model of the gearbox churning loss is established by using the moving particle semi-implicit method. Through the numerical simulation results and combined with the distribution of lubricants，the influence of different axial clearances，radial clearances，oil baffle plates，oil collection grooves and internal cavities on the churning loss is analyzed. The analysis results show that the churning loss has a non-linear positive correlation with the axial clearance，but when the axial clearance reaches a certain value，it has almost no effect on the churning loss； it has a nonlinear negative correlation with the radial clearance，and as the radial clearance increases，its downward trend becomes smaller； the oil baffle and oil collecting groove structure can reduce the churning loss，and with the increase of its length，the effect becomes more significant； the streamlined cavity and the arc-shaped cavity increase the churning loss to a certain extent.

关键词

搅油损失型腔结构移动粒子半隐式法流场分布

Keywords

Churning lossCavity structureMPSFlow field distribution

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Department of Materials Engineering,Xinxiang Vocational and Technical College

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