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곽순철(Soonchul Gwoak),서충열(Chungyul Seo),강대일(Daeil Kang),이태우(Taewoo Lee),신창현(Changhyun Shin),황춘식(Chunsic Hwang),안재국(Jackook Ahn),김성민(Seongmin Kim) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Exhaust emissions of automobile and performance of after-treatment system are impacted by chemical composition of fuel and engine lubricant. Especially, sulfur in fuel and engine lubricant is known to poison oxidation catalyst. Therefore, in this study, we analyzed sulfur of domestically-distributed engine oil for diesel-fuelled vehicle by Energy Dispersive X-ray Fluorescence Spectrometry method, Then, we obtained that the sulfur content of domestically-distributed lubricants for diesel-fuelled vehicles has possibility of impact on exhaust emissions and after-treatment system.
곽순철(Soonchul Gwoak),서충열(Chungyul Seo),강대일(Daeil Kang),박정민(Jungmin Park),임윤성(Yoonsung Yim),황춘식,엄명도(Myoungdo Eom),김종춘(Jongchoon Kim),이영재(Youngjae Lee),표영덕(Youngdug Pyo),정충섭(Choongsub jung),장은정(Eunjung J 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Biodiesel and GTL which are getting interest recently because of there low environmental impact when used as alternative fuels for diesel engines. Futhermore, the engines would not require any significant modification. The tested diesel engines were fueled on blends of synthetic fuels/ultra low sulfur diesel fuel(ULSD). The authors studied regulated emissions(CO, NOx, HC, PM) of diesel alternative fuels using light-duty vehicles and described reduction rate of exhaust emissions of alternative fuels compare to conventional diesel.
주행모드에 따른 국내 LPG 승용자동차의 온실가스 배출 특성
강대일(Daeil Kang),문태영(Taeyoung Moon),이상은(Sangeun Lee),서충열(Chungyul Seo),김정수(Jungsoo Kim) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
Mobile sources are one of most significant contributions to the inventory of greenhouse gas(GHG). The administration has set the goal of cutting GHG emissions by 30 percent by 2020, relative to the “business as usual(BAU)”. The reduction of GHG emissions in transportation sector is pursed through the establishment of a regulatory framework, such as new motor vehicle GHG emission standards. Measurement was performed on chassis dynamometer for ULEV-certified LPG vehicles. Driving modes for vehicle emission test were CVS-75, HWFET and NIER modes. N₂O was analyzed using FT-IR spectroscopy and gas chromatography.
강대일(Daeil Kang),이주창(Juchang Yi),최진영(Jinyoung Choi),김지영(Jiyoung Kim),임윤성(Yunsung Lim),이종태(Jongtae Lee),서충열(Chungyul Seo),김정수(Jungsoo Kim) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Climate change is widely viewed as a significant long-term threat to the global environment. In Korea, transportation sources contributed approximately 18 percent of total national greenhouse gas(GHG) emissions in 2006. The administration has set the goal of cutting GHG emissions by 30 percent by 2020, relative to the “business as usual(BAU)”. In the green growth strategy, the reduction of GHG emissions in transportation sector is pursed through the establishment of a regulatory framework, such as new motor vehicle GHG emission standards. All manufacturers should be committed to reduce GHG emissions and make commensurate efforts. The ministry of environment established GHG emission standards pursuant to the Low Carbon Green Growth Framework Act. This study is about the process how to the regulation for GHG emission standards be issued. GHG emission standards are curb weight-based, each vehicle has a different GHG emissions compliance target depending on its weight value. Generally, the heavier the vehicle weight, the higher the corresponding vehicle GHG emission target. Each manufacturer will have its own fleet-wide standard which reflects the vehicles it produce.
가솔린 연료 첨가제의 함유율에 따른 연소 및 배출가스 특성
이태규(Taekyu Lee),최연수(Yeonsoo Choi),이성욱(Seang-Wock Lee),조용석(Yong-Seok Cho),임철수(Cheolsoo Lim),서충열(Chungyul Seo) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Since air pollution due to automobiles has been serious globally, various studies on the reduction of exhaust emissions have been conducted actively to meet emission standards by many countries specially in advanced countries. However, so far the automotive technology mainly focused on the development of engine itself has reached its limitation of technology. Thus future automobile technology must depend on the development of clean fuel. This research aims to investigate engine power and emissions by the blending rates of fuel additive in a single cylinder engine and also behavior of name propagation inside a constant volume chamber. In this test, comparison study was made by using a sub-octane and blending rates of ethanol(3, 6, 10%), ETBE(7.1, 14.2, 23.6%), and MTBE(6.1, 12.3, 20.4%) respectively.