Performance and fuel conversion efficiency of a spark ignition engine fueled with iso-butanol

Adrian Irimescu

Applied Energy, 2012, vol. 96, issue C, 477-483

Abstract: Alcohols are increasingly used as fuels for spark ignition engines. While ethanol is most commonly used, long chain alcohols such as butanol feature several advantages like increased heating value and reduced corrosive action. This study investigated the effect of fueling a port injection engine with iso-butanol, as compared to gasoline operation. Performance levels were maintained within the same limits as with the fossil fuel without modifications to any engine component. An additional electronic module was used for increasing fuel flow by extending the injection time. Fuel conversion efficiency decreased when the engine was fueled with iso-butanol by up to 9% at full load and by up to 11% at part load, calculated as relative values. Incomplete fuel evaporation was identified as the factor most likely to cause the drop in engine efficiency.

Keywords: Alternative fuels; Spark ignition engines; Alcohol; Iso-butanol; Performance; Fuel conversion efficiency (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (25)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:96:y:2012:i:c:p:477-483

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DOI: 10.1016/j.apenergy.2012.03.012

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