The Role of Additives in the Scuffing of Diesel Engine Piston Rings 790886
A 3/16″ hole drilled at bottom dead center of a small diesel engine allowed the rings to be observed optically and their surface temperature measured by infra red microdetector. Operating severity was increased by raising i) speed, ii) b.m.e.p., iii) liner temperature. Additives, oil viscosity and prolonged running were studied. It was found scuffing was far more prevalent and ring surface temperature far higher than expected. It seems the engine used scuffing as a means of running-in.
Citation: Bailey, M., Crooks, T., Jeffs, P., and Cameron, A., "The Role of Additives in the Scuffing of Diesel Engine Piston Rings," SAE Technical Paper 790886, 1979, https://doi.org/10.4271/790886. Download Citation
Author(s):
M. J. Bailey, T. J. Crooks, P. T. Jeffs, A. Cameron
Affiliated:
Lubrication Lab, Dept. of Mechanical Engrg., Imperial College (London/England)
Pages: 10
Event:
1979 SAE International Off-Highway and Powerplant Congress and Exposition
ISSN:
0148-7191
e-ISSN:
2688-3627
Related Topics:
Diesel / compression ignition engines
Pistons
SAE MOBILUS
Subscribers can view annotate, and download all of SAE's content.
Learn More »
