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A Study on Emission Reductions of Diesel Engine Using Plasmatron Fuel Converter
Ho-Beom Ki(기호범),Bong-Soo Kim(김봉수),Yong-Hwan Kwak(곽용환),Woo-Hyung Kim(김우형),Won-Kyung Lim(임원경),Jae-Ou Chae(채재우) 한국연소학회 2006 KOSCOSYMPOSIUM논문집 Vol.- No.-
Improvements in internal combustion engine and aftertreatment technologies are needed to meet future environmental quality goals. Plasmatron fuel converters provide a rapid response, compact means to transform a wide range of hydrocarbon fuels (including gasoline, natural gas and diesel fuel) into hydrogen-rich gas. Hydrogen-rich gas can be used as an additive to provide NOx reductions of more than 80% in diesel engine vehicles by enabling very lean operation or heavy exhaust engine recirculation. For diesel engines, use of compact plasmatron reformers to produce hydrogen-rich gas for the regeneration of NOx absorber/absorbers and particulate traps for diesel engine exhaust after-treatment could provide significant advantages. Recent tests of conversion of diesel fuel to hydrogen-rich gas using a low current plasmatron fuel converter with non-equilibrium plasma features are described.