Tribology and Lubricants

Korean Tribology Society (한국트라이볼로지학회)
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Analysis of the Air Journal Bearings with Two Circumferential Grooves

2열 원주 그루브 급기 저어널 공기베어링의 해석

  • 박상신 (서울대학교 터보.동력기계연구센터) ;
  • 안유민 (한양대학교 기계공학과) ;
  • 한동철 (서울대학교 기계설계학과)
  • Published : 1997.12.01
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Abstract

The externally pressurized air journal bearings which have two circumferential grooves with inherently compensated restrictors are analyzed. Two circumferential grooves with restrictors are made on the bearing surface in order to increase the stiffness and damping coefficients. In this paper, the dynamic characteristics such as stiffness and damping coefficients of this type of bearings are calculated. As a result of theoretical analysis, it is verified that there exist the groove depth and the distance between two grooves which generate the maximum stiffness at the given bearing dimensions.

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References

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