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The Effects of Alcohol Fuels and Fully Formulated Lubricants on Engine Wear
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Abstract
An investigation of the effects of alcohol fuels and lubricant formulations on spark ignition engine wear and deposition was jointly sponsored by the U.S. Department of Energy and the U.S. Army Mobility Equipment Research and Development Command. Tests were conducted using neat methanol, anhydrous ethanol, and alcohol blends as fuel in a 2.3-liter engine using a modified ASTM Sequence V-D test procedure. This dynamometer testing indicates that alcohol fuels reduce the buildup of engine deposits. Also, it was found that neat methanol greatly increases engine wear rates while anhydrous ethanol and alcohol-gasoline blends do not increase wear rates over that of unleaded gasoline. A 20-hour steady-state test was developed which shows that engine wear is inversely related to engine oil temperature when using methanol as fuel. The study shows that one lubricant appears to best control methanol-related engine wear, but still not to acceptable levels.
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Authors
- H. W. Marbach - U.S. Army Fuels and Lubricants Research Lab., Southwest Research Institute, San Antonio, TX
- E. A. Frame - U.S. Army Fuels and Lubricants Research Lab., Southwest Research Institute, San Antonio, TX
- E. C. Owens - U.S. Army Fuels and Lubricants Research Lab., Southwest Research Institute, San Antonio, TX
- D. W. Naegeli - U.S. Army Fuels and Lubricants Research Lab., Southwest Research Institute, San Antonio, TX
Citation
Marbach, H., Frame, E., Owens, E., and Naegeli, D., "The Effects of Alcohol Fuels and Fully Formulated Lubricants on Engine Wear," SAE Technical Paper 811199, 1981, https://doi.org/10.4271/811199.Also In
References
- Ryan T. W. III Naegeli, D. W. Owens, E. C. Marbach, H. W. Jr. Barbee, J. G. “The Mechanisms Leading to Increased Wear in Methanol Fueled SI Engines,” Society of Automotive Engineers 1981
- Miller, E. Continental Oil Company, personal communication 1977
- Owens, E. C. Marbach, H. W. Jr. Frame, E. A. Ryan T. W. III “Effects of Alcohol Fuels on Engine Wear,” U.S. Army Fuels and Lubricants Research Laboratory, Interim Report AFLRL No. 133 1980
- Owens, E. C. “Methanol-Fuel Effects on Spark Ignition Lubrication and Wear” “International Symposium on Alcohol Fuel-Technology-Methanol and Ethanol Wolfsburg, Germany 1977
- Bardy, D. C. Franklin, T. M. Roberts, C. E. “A 2.3L Engine Deposit and Wear Test--An ASTM Task Force Progress Report,” SAE preprint 780260 1978
- Owens, E. C. Marbach, H. W. Jr. Frame, E. A. Ryan T. W. III “Effects of Alcohol Fuels on Engine Wear,” SAE preprint 800857 1980
- Owens, E. C. Marbach, H. W. Jr. Frame, E. A. Ryan, T. W. “B-66 Lubrication Requirements for Alcohol-Fueled Spark Ignition Engines,” IV International Symposium on Alcohol Fuels Technology Guaruja, Brazil 1980
- Tosh J. D. Russell, J. A. “Evaluation of Environmental and Economic Benefits Through Use of Synthetic Motor Oils,” U.S. Army Fuels and Lubricants Research Laboratory, Final Report AFLRL No. 91 1977
- Frame, E. A. “Lubricants For Combating Effects of High-Sulfur Fuels,” U.S. Army Fuels and Lubricants Research Laboratory, Interim Report AFLRL No. 127, Government Accession No. AD A094900 1980
- Mars, P. Schalter, J. J. F. Zwietering, P. “The Catalytic Decomposition of Formic Acid,” Advances in Catalysis 14 35 1963
- Newman F. M. Jones, K. B. “Determination of Alcohols in Engine Lubricants,” U.S. Army Fuels and Lubricants Research Laboratory Interim Report AFLRL No. 135, Government Accession No. AD A099038 1981