期刊
ENERGY CONVERSION AND MANAGEMENT
卷 73, 期 -, 页码 361-369出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2013.05.012
关键词
Diesel engine; Engine performance; Emulsified diesel fuel; Pollutant emissions
This manuscript investigates the effect of emulsified diesel fuel on the engine performance and on the main pollutant emissions for a water-cooled, four stroke, four cylinders, and direct injection diesel engine. Emulsified diesel fuels with water content of range 0-30% by volume were used. The experiments were conducted in the speed range from 1000 to 3000 rpm. It was found that, in general, the using emulsified fuel improves the engine performance and reduces emissions. While the brake specific fuel consumption (BSFC) has a minimum value at 5% water content and 2000 rpm. The torque (T), the break mean effective pressure (BMEP) and thermal efficiencY (eta th) are found to have maximum values under these conditions. The emission CO2 was found to increase with engine speed and to decrease with water content. NOx produced from emulsified fuel is significantly less than that produced from pure diesel under the same conditions. And as the percentage of water content in the emulsion increases, the emitted amount of oxygen also increases. (C) 2013 Elsevier Ltd. All rights reserved.
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