Abstract: This investigation was carried out to find the replacement of fossil fuels for solving the problem of large exhaust emissions from engine. The main purpose of research was to mix water with diesel and make stable emulsion using various types of surfactants for achieving the performance of engine as well as reduce the exhaust emissions from it. ED5( 93% Diesel, 5% Water, 1% Span 20, and 1% Tween 80) and ED10 ( 88% Diesel, 10% water, 1% Span 20, and 1% Tween 80) were made . These two fuels were stable in nature. So these both fuels were used as fuel in engine and results were obtained. Emission characteristics were also compared by taking parameters such as oxides of nitrogen (NOX), carbon monoxide (CO), hydrocarbons (HC), carbon dioxide (CO2).
Keywords: C.I engine, Exhaust Emissions, Micro-explosion, NOx, Span20-tween80, W/D emulsion
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