A Multicoefficient Slip‐Corrected Reynolds Equation for Micro‐Thin Film Gas Lubrication | Zendy

E. Y. K. Ng | Zendy; Ningyu Liu | Zendy

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A Multicoefficient Slip‐Corrected Reynolds Equation for Micro‐Thin Film Gas Lubrication

Author(s) -

E. Y. K. Ng,

Ningyu Liu

Publication year - 2005

Publication title -

international journal of rotating machinery

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.265

H-Index - 33

eISSN - 1026-7115

pISSN - 1023-621X

DOI - 10.1155/ijrm.2005.105

Subject(s) - reynolds equation , lubrication , mechanics , slip (aerodynamics) , materials science , reynolds number , lubrication theory , thermodynamics , composite material , physics , turbulence

This work investigates and analyzes the performance ofconventional slip models among various regimes of Knudsen numberand developes a new multicoefficient slip-velocity model, by usingTaguchi quality control techniques and numerical analysis. Amodified Reynolds equation is also derived based on the newslip-flow model. The multicoefficient slip model and itsslip-corrected Reynolds equation are suitable to a wide Knudsenrange from slip to transition regime. In comparison with otherconventional slip models, it is found that the current resultshave a better agreement with the solution obtained from thelinearized Boltzmann equation and direct simulation of Monte Carlomethod (DSMC)

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