한국윤활학회:학술대회논문집 (Proceedings of the Korean Society of Tribologists and Lubrication Engineers Conference)

한국트라이볼로지학회 (Korean Tribology Society)
권호 표지

The Static and Dynamic Performance of a MEMS/MST Based Gas-Lubricated proceeding Bearing with the Slip Flow Effect

  • Kwak, H.-D. (Tribology Research Center, Korea Institute of Science and Technology) ;
  • Lee, Y.-B. (Tribology Research Center, Korea Institute of Science and Technology) ;
  • Kim, C.-H. (Tribology Research Center, Korea Institute of Science and Technology) ;
  • Lee, N.-S. (Tribology Research Center, Korea Institute of Science and Technology) ;
  • Choi, D.-H. (Department of Mechanical Design and Production Engineering, Hanyang University)
  • 발행 : 2002.10.21
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초록

The influence of the slip flow on the MEMS/MST based gas-lubricated proceeding bearing is investigated. Based on the modified Reynolds equation, the numerical analysis of the finite difference method was developed by applying the first order slip flow approximation. The numerical prediction of bearing performance provides the significant results concerning the slip flow effect in micro scale gas-lubricated proceeding bearing. The result indicates that the load-carrying capacity as well as the rotordynamic coefficients were significantly reduced due to the slip flow. Through this work, it is concluded that the slip flow effect could not be ignored in the micro gas-lubricated proceeding bearing.

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