This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Biodiesel Fuel Effect on Diesel Engine Lubrication
Technical Paper
2008-01-2375
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
Biodiesel fuel is a promising new renewable, alternate fuel source. However, its effect on diesel engine oil lubrication is largely untested at present. There is some indication that the use of biodiesel fuel can degrade diesel engine oil performance to such an extent that shortening of oil drain intervals is required. Oil which is fuel-diluted with biodiesel, which is known to contain unsaturated hydrocarbon bonds, would be expected to be more prone to oxidation. Current diesel engines designed to meet environmental standards tend to introduce more soot into the crankcase oil. The new diesel engine oils for use with biodiesel fuel must be capable of dispersing soot to minimize soot-induced viscosity increase of the oil and prevent engine wear. Oils will also need improved oxidation and corrosion inhibition. To examine soot-handling, ASTM D 7156 Mack T-11 engine test results with 20 wt% soy methyl ester in ultra-low sulfur diesel fuel (B20) were employed. The soot generated from these tests was also characterized for hardness and size and compared to soot formed from other fuels. Additional API CJ-4 engine tests were run to evaluate oxidation, deposit formation and wear, using biodiesel fuel, which meets the ASTM D 6751 quality level. Results of our studies using B20 fuel show (1) passing engine test data is obtained for soot-induced viscosity thickening, oxidation and wear, however, (2) deposits increase and (3) oxidation increases significantly when using biodiesel fuel-diluted engine oil.
Recommended Content
Authors
Topic
Citation
Devlin, C., Passut, C., Campbell, R., and Jao, T., "Biodiesel Fuel Effect on Diesel Engine Lubrication," SAE Technical Paper 2008-01-2375, 2008, https://doi.org/10.4271/2008-01-2375.Also In
References
- “A Comprehensive Analysis of Biodiesel Impacts on Exhaust Emissions,” U.S. Environmental Protection Agency EPA420-P-02-001 October 2002
- Knothe, G. Von Gerpen, J. Krahl, J. The Biodiesel Handbook AOCS Press Champaign, IL 2005
- McCormick, R.L. Ireland, J. Fang, H. Hayes, R. Williams, A. Effect of Biodiesel Blends on Diesel Particle Filter Performance SAE Paper 2006-01-3280 2006
- Watanabe, H. “Biodiesel Fuel Impact on Diesel Engine and the Lubricant,” Korean Lube Symposium Sept 13 2007
- www.biodiesel.org
- Whitacre, S.D. Fang, H.L. Yamaguchi, E.S. Boons, M. “Biodiesel Impact on Wear Protection of Engine Oils,” SAE 2007-01-4141 2007
- Devlin, C. et al. 2007
- McGeehan, J.A. et al. “API CJ-4: Diesel Oil Category for Both Legacy Engines and Low Emission Engines Using Diesel Particulate Filters” SAE 2006-01-3439 2006
- Li S. Csontos A.A. Gable, B.M. Passut C.A. Jao T-C “Wear in Cummins M-11/EGR Engine Tests” SAE 2002-01-1672 2002
- Jao T-C Li S. Yatsunami K. Chen S.J. Csontos A. A. Howe J.M. “Soot Characterization and Diesel Engine Wear,” Proceedings International Tribology Conference 2000
- Devlin, M.T. Li, S. Burgess, T. Jao, T-C “Film Formation Properties of Polymers in the Presence of Abrasive Contaminants,” SAE 2002-01-2793 2002
- Kuo C. Passut C. A. Jao T-C Csontos A.A. Howe J.M. “Wear Mechanism in Cummins M-11 High Soot Diesel Test Engines” SAE 981372 1998