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KMID : 0385520080210030159
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Analytical Science & Technology
2008 Volume.21 No. 3 p.159 ~ p.166
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It’s effects for engine emission of water/oil emulsified fuel
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Kim Moon-Chan
Lee Chang-Suk
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Abstract
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In this study, the characteristics of emulsified fuel and engine emissions were studied. Emulsified fuel which composed of water and diesel was manufactured by using homogenizer and ultrasonic generator. Engine emissions were studied whit engine dinamometer. In emulsified fuel, density and viscosity were increased with increasing water contents, but viscosity was decreased over 60% of water in emulsion fuel. The emulsion type of W/O changed to that of O/W over 60% of water in emulsion fuel. In the results of engine dinamometer test, NOx concentration and smoke density were reduced with increasing water contents in emulsified fuel but reciprocal in the case of THC, CO. Temperature and power were reduced with increasing water contents in emulsion fuel. In conclusion, it seemed that using emulsified fuel for diesel engine was effective for reducing NOx concentration and smoke density.
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KEYWORD
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emulsified fuel, engine emissions, diesel engine, NOx concentration, smoke density
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