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Use of Alcohol-in-Diesel Fuel Emulsions and Solutions in a Medium-Speed Diesel Engine
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English
Abstract
The use of alcohol as a supplemental fuel for a medium-speed diesel engine was investigated using a two-cylinder, two-stroke test engine. Both stabilized and unstabilized emulsions of methanol-in-diesel fuel and ethanol-in-diesel fuel were tested. Also, anhydrous ethanol/diesel fuel solutions were evaluated.
Maximum alcohol content of the emulsions and solutions was limited by engine knocking due to a reduction in fuel cetane number. Engine power and thermal efficiency were slightly below baseline diesel fuel levels in the high and mid-speed ranges, but were somewhat improved at low speeds during tests of the unstabilized emulsions and the ethanol solutions. However, thermal efficiency of the stabilized emulsions fell below baseline levels at virtually all conditions.
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Citation
Baker, Q., "Use of Alcohol-in-Diesel Fuel Emulsions and Solutions in a Medium-Speed Diesel Engine," SAE Technical Paper 810254, 1981, https://doi.org/10.4271/810254.Also In
References
- Baker Q. A. “Alternate Fuels for Medium-Speed Diesel Engines.” SAE Paper 800330 1980
- Storment J. O. Springer K. J. “Assesment of Control Techniques for Reducing Emissions from Locomotive Engines.” Southwest Research Institute Final Report AR-884, for the Department of Transportation 1973