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Shin, Heungjoo
Micro/Nano Integrated Systems (MNIS) Lab
Research Interests
  • Carbon-MEMS
  • Nanofabrication
  • Gas sensors
  • Biosensors
  • Electrochemical sensors
  • SPM

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A study on the circumferential groove effects on the minimum oil film thickness in engine bearings

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Title
A study on the circumferential groove effects on the minimum oil film thickness in engine bearings
Author
Cho, MRShin, HeungjooHan, DC
Keywords
Engine bearing; Groove; Minimum oil film thickness; Mobility method
Issue Date
2000-07
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Citation
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.14, no.7, pp.737 - 743
Abstract
This paper presents the effects of circumferential groove on the minimum oil film thickness in engine bearings. The fluid film pressures are calculated by using the infinitely short bearing theory for the convenience of analysis. Journal locus analysis is performed by using the mobility method. A comparison of minimum oil film thickness of grooved and ungrooved bearing is presented. It is found that circumferential 360° groove only reduces the absolute magnitude of the oil film thickness, but 180° half groove affects the shape of film thickness curve and position of minimum oil film thickness.
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ISSN
1738-494X
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