Sliding Surface Profiling of Plain Journal Bearings

Duarte, Durval; Kaufmann, M.; Praça, Mário; Filho, Oswaldo Urbani; Zottin, Walter

doi:10.4271/910158

Cited by 6 publications

(1 citation statement)

References 4 publications

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“…Recent theoretical and experimental work on the eect of circumferential lobing has been focused on the geometry of the bearing, rather than that of the journal. Duarte et al [5] used a simple analysis of a rigid bearing, with Reynolds cavitation, to study the in¯uence of bearing relief on lubrication. The predicted operational characteristics of connecting rod bearings were supported by experimental evidence of reduced wear in bearings with deep relief.…”

Section: Previous Work On Lobingmentioning

confidence: 99%

Influence of circumferential waviness on engine bearing performance

Mehenny

Taylor

2000

Proceedings of the Institution of Mechanical Engineers, Part C:

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The in¯uence of circumferential waviness of the journal on the lubrication of the intermain bearing of an automotive engine is investigated using a theoretical analysis. The analysis is for two-dimensional thin ®lm¯ow, with oil-®lm history. The bearing and shaft surfaces were assumed to be rigid and the lubricant isoviscous. The results show a signi®cant in¯uence of shaft lobing on predicted maximum ®lm pressure and minimum ®lm thickness, particularly as the number and size of lobes increase. It is concluded that, for satisfactory operation of engine bearings, circumferential form errors of the shaft need to be controlled.

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Section: Previous Work On Lobingmentioning

confidence: 99%