Misalignment effects on isotropic roughness hydrodynamic finite journal bearings
Hydrodynamically lubricated isotropic roughness bearing with the misalignment of the journal is analysed. A modified Reynolds' equation which includes surface roughness and misalignment effects is solved numerically using finite difference method with the aid of successive-over-relaxation me...
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| 格式: | Article |
| 出版: |
1993
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| 在線閱讀: | http://journalarticle.ukm.my/1308/ http://www.ukm.my/jkukm/index.php/jkukm |
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| 總結: | Hydrodynamically lubricated isotropic roughness bearing with the misalignment of
the journal is analysed. A modified Reynolds' equation which includes surface
roughness and misalignment effects is solved numerically using finite difference
method with the aid of successive-over-relaxation method. The average flow model is
employed in evaluating hydrodynamic pressure due to isotropic roughness and
misalignment effects. The bearings' characteristics' values is solved numerically using
Simpson's rule. The results of the numerical analysis explore the effects of both
surface roughness and misalignment on the design parameter of journal bearing. The
degree of misalignment and roughness structure greatly effects the performance of the
hydrodynamic bearings. Controlling the roughness and degree of misalignment is an
important design factor particularly for bearings operating at minimum film thickness
and high eccentricity ratio |
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