Some Resolved and Unresolved Areas in Journal Orbit Analysis

Paper #:
  • 920486

Published:
  • 1992-02-01
Citation:
Chen, S. and Chen, S., "Some Resolved and Unresolved Areas in Journal Orbit Analysis," SAE Technical Paper 920486, 1992, https://doi.org/10.4271/920486.
Pages:
15
Abstract:
In reviewing various industrial software modules used by bearing suppliers and engine companies, we have found a fair level of agreement between them in the final results. We also discovered, however, some unresolved areas which merit further discussion. This paper will focus primarily on those unresolved areas: 1 the treatment of partial groove bearings 2 calculation of oil flow quantity and its associated temperature rise and friction 3 selection of the bearing clearance 4 the optimal location of the journal oil hole in the main bearing 5 prediction of the fatigue endurance life 6 minimum oil thickness allowable 7 the prediction of the wear pattern. Our approach in these areas will be described and then compared with that taken in other industrial softwares.
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