Research on the Structure Design of Composite Water-lubricated Stern Bearing

Yanzhen Wang; Tao Zhong; Xiuli Zhang; Zhongwei Yin

doi:10.16578/j.issn.1004.2539.2021.01.015

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Research on the Structure Design of Composite Water-lubricated Stern Bearing

Design· Calculation | 更新时间：2022-11-10

- Research on the Structure Design of Composite Water-lubricated Stern Bearing
- Journal of Mechanical Transmission Vol. 45, Issue 1, Pages: 90-98(2021)
- 作者机构：
  
  1.中国船舶及海洋工程设计研究院，上海 200011
  2.山东理工大学机械工程学院，山东济南 250000
  3.上海交通大学机械与动力工程学院，上海 200240
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.01.015
  CLC：
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王艳真,钟涛,张秀丽等.复合材料水润滑艉轴承结构设计研究[J].机械传动,2021,45(01):90-98.

Wang Yanzhen,Zhong Tao,Zhang Xiuli,et al.Research on the Structure Design of Composite Water-lubricated Stern Bearing[J].Journal of Mechanical Transmission,2021,45(01):90-98.
王艳真,钟涛,张秀丽等.复合材料水润滑艉轴承结构设计研究[J].机械传动,2021,45(01):90-98. DOI： 10.16578/j.issn.1004.2539.2021.01.015.

Wang Yanzhen,Zhong Tao,Zhang Xiuli,et al.Research on the Structure Design of Composite Water-lubricated Stern Bearing[J].Journal of Mechanical Transmission,2021,45(01):90-98. DOI： 10.16578/j.issn.1004.2539.2021.01.015.

摘要

基于ANSYS CFX流固耦合数值计算方法，对水润滑复合材料艉轴承的润滑性能及结构设计开展研究，阐述了不同水槽结构、间隙比、长径比、直径等对轴承承载力以及水膜压力、轴承变形量、最小水膜厚度、轴承摩擦因数的影响规律。并利用水润滑轴承试验台研究了不同水槽结构对轴承启动摩擦转矩、转变速度以及摩擦因数的影响。研究表明，轴承摩擦因数、水膜最大压强、轴承最大变形随水槽数增多而增大；轴承承载力、最小水膜厚度随间隙比增大而减小，随长径比增大而增大。总结了直径为100~500 mm、长径比为2~3、间隙比为0.1%~0.2%的水润滑艉轴承承载力的变化规律，为水润滑艉轴承设计提供一定的理论依据。

Abstract

Based on the ANSYS CFX fluid-structure interaction numerical calculation method， the lubrication performance and structure design of water-lubricated composite stern bearing are studied， the effects laws of different grooves， clearance ratios， length diameter ratio， and diameters on load carrying capacity， water film pressure， bearing deformation， minimum water film thickness and bearing friction coefficient are expounded. In addition， by using a water-lubricated bearing test rig， the effects of different water grooves on the starting friction torque， transition speed， and friction coefficient of the bearing are studied. The results show that the friction coefficient， maximum water film pressure， and maximum bearing deformation increase with the number of water grooves. The load carrying capacity and minimum water film thickness decrease with the increase of clearance ratio while increase with the increase of length diameter ratio. Finally， the variation of load carrying capacity with a diameter of 100~500 mm， length diameter ratio of 2~3， and clearance ratio of 0.1%~0.2% is summarized. A certain theoretical basis for the design of water-lubricated stern bearings is provided.

关键词

水润滑复合材料滑动轴承结构设计流固耦合

Keywords

Water-lubricationComposite materialJournal bearingStructure designFluid-structure interaction

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