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Butanol as a Blending Agent with Gasoline for I. C. Engines
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1989 by SAE International in United States
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This work was undertaken to evaluate butanol as an alternative fuel for internal combustion engines- The evaluation was made by measuring the performance of a four-cylinder automotive spark-ignition engine when fueled with four different Fuels:
- (a) 100% unleaded-regular fuel was used for reference.
- (b) the test fuel, iso-butanol, was blended in amounts of 5, 10, 15, and 20% by volume with gasoline for the subject evaluation.
- (c) for comparison purposes, a 10% methanol-gasoline blend was used.
- (d) also for comparison, a 10% ethanol-gasoline blend was used.
It was found that there was only about 2.5% reduction in the thermal efficiency of the test engine when 20% of the gasoline was replaced by butanol (the brake-specific-fuel-consumption, BSFC, increased by about 6.5%). Butanol was shown to be superior to both methanol and ethanol in terms of higher thermal efficiency (and correspondingly lower BSFC).
CitationBata, R., Elrod, A., and Lewandowskia, T., "Butanol as a Blending Agent with Gasoline for I. C. Engines," SAE Technical Paper 890434, 1989, https://doi.org/10.4271/890434.
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