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조종표(Chongpyo Cho),이영재(Youngjae Lee),권오석(Ohsuck Kwon) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
Bio diesel is one of the clean alternative fuels, and is known to produce less air pollutants than petroleum-based diesel. Bio diesel blended with petroleum diesel can be used. In this paper, exhaust emissions were investigated at various bio diesel mixing rations. Chassis dynamometer testing in connection with high-resolution FTIR spectroscopy was used to measure exhaust emissions including formaldehyde(HCHO) and greenhouse gases such as nitrous oxide(N₂O) and methane(CH₄). Exhaust emissions were collected for CVS-75 driving mode. The results showed that THC and PM decreased but CO, NOx, CH₄, N₂O and HCHO increased gradually, as the mixing ratio increases.
조종표(Chongpyo Cho),이영재(Youngjae Lee),권오석(Ohsuck Kwon) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
Chassis dynamometer testing in connection with high-resolution FTIR spectroscopy was used to measure the non-regulated emissions such as methane(CH₄), nitrous oxide(N₂O) and ammonia(NH₃) as well as the regulated emissions such as carbon monoxide(CO), total hydrocarbon(THC) and nitrogen oxides(NOx). A LPLi type passenger car and a LPGi type passenger car were used. As C3 content of LPG fuel increases, CO and THC emissions were decreased but NOx was increased in LPLi passenger car. In a LPGi type passenger car, however, the opposite trend was observed in exhaust emissions.
FTIR을 이용한 국내 승용차 Non-CO₂ 온실가스 분석
조종표(Chongpyo Cho),이영재(Youngjae Lee),김강출(Gangchul Kim),권오석(Ohsuck Kwon) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
Chassis dynamometer testing in connection with high-resolution FTIR spectroscopy was used to measure exhaust emissions of nitrous oxide(N₂O) and methane(CH₄) from a representative fleet of several vehicles. Exhaust emissions were collected for three driving cycles: CVS-75, NEDC(ECE+EUDC), KIER city mode. The average N₂O and CH₄ emissions are increased in driving cycle with higher average speed and aggressive driving condition, as expected. The previously reported conversion factors of CH₄/THC and N₂O/NOx could not be supported in LPG-powered and diesel vehicles with DPF.
FTIR을 이용한 국내 가솔린 승용차의 N₂O 배출량 측정
조종표(Chongpyo Cho),이영재(Youngjae Lee),김강출(Gangchul Kim),표영덕(Youngdug Pyo),권오석(Ohsuck Kwon),우영민(Youngmin Woo) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
Chassis dynamometer testing in connection with high-resolution FTIR spectroscopy was used to measure exhaust emissions of nitrous oxide(N₂O) from a in-use fleet of 20 passenger cars. Exhaust emissions were collected for KIER city and KIER highway driving mode. In-use vehicles investigated, including LPG powered passenger cars, were recruited for various emissions testing requirements during 1999 and 2007. A high correlation between N₂O and nitrogen oxides was observed.