Elastohydrodynamic Lubrication Model of Connecting Rod Big End Bearings; Comparison with Experiments by Diesel Engine

952549

10/01/1995

Event
1995 SAE International Fall Fuels and Lubricants Meeting and Exhibition
Authors Abstract
Content
The EHD lubrication model of connecting rod big end bearings is compared with experiments using an automotive diesel engine. The axial load and the bending moment near the middle of rod length were derived from strain measurements and compared with the theoretical results based on engine dynamics. Although oscillation appeared on bending moment at 5000 rpm, the theoretical load almost agreed with the experiment. The EHD lubrication theory and the experiments were compared by the histories of clearances and the journal center orbits in the bearing. The theoretical results agreed well with the experimental one. The deformation of the bearing appeared both in the theory and in the experiment at 3000 rpm or above; these results confirm the necessity of the EHD lubrication theory.
Meta TagsDetails
DOI
https://doi.org/10.4271/952549
Pages
16
Citation
Ozasa, T., Yamamoto, M., Suzuki, S., Nozawa, Y. et al., "Elastohydrodynamic Lubrication Model of Connecting Rod Big End Bearings; Comparison with Experiments by Diesel Engine," SAE Technical Paper 952549, 1995, https://doi.org/10.4271/952549.
Additional Details
Publisher
Published
Oct 1, 1995
Product Code
952549
Content Type
Technical Paper
Language
English