Numerical model of journal bearing lubrication considering a bending stiffness effect

Juhwan Choi, Seong Su Kim, Sungsoo Rhim, Jin Hwan Choi

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

Abstract

An analysis for operating characteristics of journal bearing lubrication system is performed based on the numerical model. Dynamic bearing lubrication characteristics such as oil film pressure and thickness distribution can be analyzed through a numerical model with an integration of elastohydrodynamics and multi-flexible-body dynamics (MFBD). In particular, the oil film thickness variation by elastic deformation is considered in the elastohydrodynamic analysis by applying the bending stiffness effect of journal. And the oil film thickness variation by the bending stiffness effect is applied to the fluid governing equations to calculate the oil film pressure in the elastohydrodynamic lubrication region. A series of process proposed in this study is available for the analysis of realistic elastohydrodynamic lubrication phenomenon. Also, a numerical example for the journal bearing lubrication system is demonstrated and compared with the experimental results. The numerical results considering the bending stiffness effect show a good agreement with the experimental results.

Original languageEnglish
Title of host publicationInnovation for Applied Science and Technology
Pages854-860
Number of pages7
DOIs
Publication statusPublished - 2013
Event2nd International Conference on Engineering and Technology Innovation 2012, ICETI 2012 - Kaohsiung, Taiwan, Province of China
Duration: 2 Nov 20126 Nov 2012

Publication series

NameApplied Mechanics and Materials
Volume284-287
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2nd International Conference on Engineering and Technology Innovation 2012, ICETI 2012
Country/TerritoryTaiwan, Province of China
CityKaohsiung
Period2/11/126/11/12

Keywords

  • Bending stiffness effect
  • Elastohydrodynamic
  • Journal bearing
  • Lubrication
  • MFBD

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