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Effects of Relief Hole on the Static Characteristics of Externally Pressurized Steam-Lubricated Hybrid Journal-Thrust Bearing

  • Zhansheng Liu
  • , Jinlei Qi*
  • , Xiangyu Yu
  • , Peng He
  • , Bing Han
  • , Yishun Yang
  • , Jiaqi Wang
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In order to improve the static performance of externally pressurized steam hybrid journal-thrust bearing (EPSHJTB), this study proposes a novel relief hole structure. First, based on the classical bearing experimental data, the correctness of simulation method is verified. The detailed flow analysis of hybrid bearing is conducted using the computational fluid tool. Flow field variables are presented which include pressure, temperature and etc. Second, the relief hole structure is designed to reduce the radial and axial film outlet pressure. This study compares the static load capacity of EPSHJTB with and without relief holes. It’s found that the relief holes actually improve the load capacity of bearing. The numerical results also show that the position of relief holes influence the pressure distribution.

Original languageEnglish
Title of host publicationProceedings of the 11th IFToMM International Conference on Rotordynamics - Volume 1
EditorsFulei Chu, Zhaoye Qin
PublisherSpringer Science and Business Media B.V.
Pages430-446
Number of pages17
ISBN (Print)9783031404542
DOIs
StatePublished - 2024
Event11th IFToMM International Conference on Rotordynamics, IFToMM 2023 - Beijing, China
Duration: 18 Sep 202321 Sep 2023

Publication series

NameMechanisms and Machine Science
Volume139
ISSN (Print)2211-0984
ISSN (Electronic)2211-0992

Conference

Conference11th IFToMM International Conference on Rotordynamics, IFToMM 2023
Country/TerritoryChina
CityBeijing
Period18/09/2321/09/23

Keywords

  • Externally-Pressurized Steam Lubrication
  • Hybrid Journal-Thrust Bearing
  • Load capacity
  • Static performance

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