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Tribological Investigations for an Insulated Diesel Engine
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English
Abstract
A Minimum Cooled Engine (MCE) has been successfully run for 250 hours at rated condition of 298 kW and 1900 rpm. This engine was all metallic without any coolant in the block and lower part of the heads. Ring/liner/lubricant system and thermal loading on the liner at top ring reversal (TRR) as well as on the piston are presented and discussed. Ring/liner wear is given as well as oil consumption and blow-by data during the endurance run. Another engine build with a different top ring coating and several lubricants suggested that a 1500 hours endurance run of MCE is achievable.
Rig test data for screening ring materials and synthetic lubricants necessary for a successful operation of a so-called Adiabatic Engine with the ring/ceramic liner (SiN) interface temperature up to 650°C are presented and discussed.
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Citation
Radovanovic and, R., Kamo, R., and Dufrane, K., "Tribological Investigations for an Insulated Diesel Engine," SAE Technical Paper 830319, 1983, https://doi.org/10.4271/830319.Also In
References
- Kamo R. Bryzik, W. “Adiabatic Turbocompound Engine Performance Prediction” SAE Paper 780068 1978
- Kamo R. Bryzik, W. “Cummins-TARADCOM Adiabatic Turbocompound Engine Program” SAE Paper 810070 1981
- Johnson, K. A. “Insulated Engine Lubricant Evaluation - Phase I” CR No. 0746-76001 1976
- Ruthmansdorfer, D. A. “Adiabatic Engine Tribology Development: Test Description-Phase III, Engine II” CR No. 0746-78003 April 1978
- Woods M. E. Oda, Isoa “PSZ Ceramics for Adiabatic Engine Components” SAE Paper 820429 1982