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The comparative analysis on combustion, performance and emissions characteristics of a PFI SI engine fueled with methanol, ethanol and butanol-gasoline blends under various alcohol ratio, equivalence ratio and engine load was carried out. The combustion phasing was advanced after adding alcohols due to the higher burning velocity, which also resulted in BTE decreasing as the engine was running at...
Oxygenated fuel–gasoline blends have been studied intensively in the literature over the years, but few studies have looked at the behavior of oxygenated fuels in combination with a stratified injection strategy in a direct-injection, spark-ignition engine (DISI). This paper presents experimental results obtained using homogeneous and stratified injection strategies with a DISI in which ethanol, butanol,...
An empirical investigation was carried out in a compression ignition engine to characterize the effect of the post injection timing on the post injection power production, the exhaust temperature, and the exhaust gas composition. Due to the potential emission reduction benefits of alternative fuels, numerous fuel injection strategies were investigated, including direct injection diesel, dual fuel...
Biodiesel fuel is known to improve the properties of alcohol-diesel blends for use in compression ignition engines. In this work the effects on combustion characteristics and emissions of preselected methyl esters (i.e. biodiesel components) have been assessed. The most representative individual fatty acid methyl esters (FAMEs) were added to alcohol blends in order to understand the effect of carbon...
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