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[디젤엔진부문] 이종연료 층상분사를 이용한 디젤엔진의 NOx와 soot 동시 저감에 관한 연구(제3보)
안현찬(Hyen Chan An),강병무(Byung Mu Kang),이태원(Tae Won Lee),정성식(Sung Sik Chung),하종률(Jong Yul Ha) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.11_1
This paper is study on simultaneous reduction of NOx and soot for direct injection diesel engine using high and low cetane fuels. The stratified injection system was applied for diesel engine to use high and low cetane fuel. In this study, diesel fuel was used as high cetane fuels, methanol was used as low cetane fuels.<br/> Some parts of the injection system, ie. Nozzle holder, delivery vale, was remodeled to inject dual fuel sequentially from one injector. The real injection Quantity ratio of dual fuel was certificated by volumetric ratio at injection Quantity experiment.<br/> According to varying ratio of supplied amount of low cetane fuel, Combustion experiment was performed using Toroidal and Complex chamber. Also, exhaust gas and fuel consumption were measured at the same time.<br/> Simultaneous reduction of NOx and soot was achieved at complex chamber regardless of component of low cetane fuel. However, according as supplied amount of low cetane fuel was increased, THC and CO was increased.<br/>
이종연료 층상분사를 이용한 디젤엔진의 NOx와 soot 동시 저감에 관한 연구 (제3보)
안현찬,강병무,이태원,정성식,하종률 동아대학교 환경문제연구소 2002 硏究報告 Vol.25 No.1
This paper is study on simultaneous reduction of NOx and soot for direct injection diesel engine using high and low cetane fuels. The stratified injection system was applied for diesel engine to use high and low cetane fuel. In this study, diesel fuel was used as high cetane fuels, methanol was used as low cetane fuels. Some parts of the injection system, ie. Nozzle holder, delivery vale, was remodeled to inject dual fuel sequentially from one injector. The real injection quantity ratio of dual fuel was certificated by volumetric ratio at injection quantity experiment. According to varying ratio of supplied amount of low cetane fuel, Combustion experiment was performed using Toroidal and Complex chamber. Also, exhaust gas and fuel consumption were measured at the same time. Simultaneous reduction of NOx and soot was achieved at complex chamber regardless of component of low cetane fuel. However, according as supplied amount of low cetane fuel was increased, THC and CO was increased.
이종연료 층상분사를 이용한 디젤엔진을 NOx와 soot동시 저감에 관한 연구(제2보)
하종률,강병무,안현찬,이태원,윤수한 東亞大學校 2001 東亞論叢 Vol.38 No.-
To investigate the method of the simultaneous reduction of Soot and NOx, we developed a new conception for dual fuel stratified injection system in a Diesel Engine. Some parts of the injection system, ie. nozzle holder, delivery vale, were remodeled to inject diesel and methanol in order from one injector. The quantity of diesel and methanol was controled precisely by micrometers that were mounted at control lack of injection pump. The real injection quantity ratio of dual fuel was certificated by volumetric ratio at injection Quantity experiment. We could confirm the capability that soot and NOx simultaneously were reduced by diesel-methanol stratified injection from the results of combustion and exhaust characteristic.