Departmental Bulletin Paper アルコール及び水添加による小型ガソリン機関の排気特性に関する研究

三橋, 大輝

Recently, the social concern with the energy conversion technology has been growing from the view point of the energy saving. So it is necessary to achieve low emission and low fuel consumption for theinternal combustion engines.As the first step in this study, experiments have been carried out to examine the influence on the emissions and the brake specific fuel consumption for small gasoline engine by using the ethanoladdition fuel and water emulsified fuels.The main conclusions are as follows; 1) It is possible to control the maximum heat release rate by changing the fuel injection timing. 2) The NOx emission reduces by using the ethanol addition fuels. 3) The fuel injection timing that can be reduced CO and NOx emission by using the water emulsified fuels.Key Words : Alcohol Addition Fuel, Water Emulsified Fuel, Premixed Rate, Exhaust Characteristics

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