http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
임윤성 ( Yun Sung Lim ),문선희 ( Sun Hee Mun ),정택호 ( Taek Ho Chung ),이종태 ( Jong Tae Lee ),동종인 ( Jong In Dong ) 한국액체미립화학회 2020 한국액체미립화학회지 Vol.25 No.1
Automotive manufacturers are applying technologies for greenhouse gas reduction such as vehicle weight reduction, engine downsizing, direct injection technology, variable valves and transmission performance improvement to achieve the targets for enhanced greenhouse gas and fuel consumption efficiency. In this paper, compared and analyzed greenhouse emissions according to engine capacity, engine displacement, curb weight and sales volume of hybrid and internal combustion engine passenger vehicles. Hybrid emit 32~39% less greenhouse gas than internal combustion engines through the combined mode test method. Hybrid electric vehicle’s curb weight was about 7% heavier on average for the same engine displacement, while greenhouse gas was about 36% lower. It was confirmed that in order to reduce the emission of pollutants of greenhouse gases as well as the air pollutants, it is necessary to expand the supply of eco-friendly vehicles.
김기준 ( Ki Joon Kim ),문선희 ( Sun Hee Mun ),이종태 ( Jong Tae Lee ),박규태 ( Kyu Tae Park ),윤현진 ( Hyun Jin Yoon ),윤창환 ( Chang Wan Yun ),김정수 ( Kim Jeong Soo ) 한국액체미립화학회 2014 한국액체미립화학회 학술강연회 논문집 Vol.2014 No.-
Motor vehicles are a major source of VOCs, estimating of emission from mobile source is the most important factor to control VOCs. International Agent for Research Cancer(IARC) rose diesel exhaust emission carcinogen level to Group 1 from Group 2 in June 2012. Also, Group 1 is designated as carcinogen of VOCs is benzene This study evaluated VOCs from Medium-duty trucks(EURO4, EURO5) exhaust emissions. Vehicle emissions were tested by chassis dynamometer with CVS tunnel. The test mode was WHVC and NEDC mode. The VOCs samples were collected using a tedlar bag, and concentrations were determined by thermal desorb apparatus with GC/MS analysis. The results of this study indicated that the order of emission amount of BTEX were Toluene>Xylene>Ethylbenzene>Benzene from medium-duty trucks. VOCs emission from NEDC mode was higher than WHVC mode. The VOCs emissions were decreased as vhicle speed increasing. These results will be used to calculate total VOCs emissions from automobiles in the future.
대형경유자동차의 NO₂/NO<SUB>X</SUB> 비율과 NO<SUB>X</SUB> 배출특성에 관한 연구
정택호(Taek Ho Chung),김선문(Sun Moon Kim),문선희(Sun Hee Mun),홍희경(Hee Kyoung Hong),이승환(Seoung Hwan Lee),서석준(Seok Jun Seo),김정화(Joung Hwa Kim),정성운(Sung Woon Jung),김인구(In Gu Kim),이종철(Jong Chul Lee),이종태(Jong Tae 대한환경공학회 2019 대한환경공학회지 Vol.41 No.4
대형경유자동차에서 배출되는 NOx는 국내 NOx 배출량 중 높은 비율을 차지하고 있으며, NO₂는 인체에 유해하며 대기환경을 오염시키는 물질로 알려져 있다. 본 연구에서는 대형경유트럭과 대형경유버스에서 배출되는 NOx를 실시간으로 측정하였으며, 다양한 조건에 따른 NO₂/NOx 비율과 NOX 배출특성을 파악하였다. 실시간으로 NOx의 농도를 측정한 결과 NO와 NO₂의 농도는 높은 출력을 요구하는 가속구간에서 증가하는 것으로 나타났다. 시험모드별 대형트럭의 NOX 배출량은 WHVC>NIER 9>UDDS 순으로 낮은 평균속도에서 높게 배출되었다. 반면, 대형버스의 NOx 배출량은 평균속도가 증가할수록 높게 배출되는 것을 확인하였다. 엔진 상태에 따른 대형트럭과 버스의 NOX 배출량은 엔진 미가열조건에서 23%, 78% 높게 배출되었다. 대형트럭과 대형버스의 NO₂/NOx 비율은 엔진 가열조건에서 각각 0.7~1.0%, 7.7~7.8%로 확인되었다. 본 연구의 결과는 도로변대기측정망의 NO₂ 농도 산정을 위한 기초자료로 활용될 것으로 기대한다. NOx emitted from heavy-duty diesel vehicles has a high percentage of domestic emissions in Korea. It is known that the NO₂ emission was polluted the atmospheric environments and was harmful to humans. Therefore, investigation on NO₂//NOx Ratio and NOx Emission Characteristics of Heavy-Duty Diesel Vehicles were carried out. In this study, NOx emissions from heavy-duty trucks and buses were measured by chassis dynamometer for heavy-duty vehicle in real time. Also, NO₂/NOx ratio and NOx emission characteristics were analyzed by emission analyzer according to various conditions. It is revealed that NO and NO₂ concentrations were increased in the acceleration section from results of NOx concentration in real time. The NOx emissions of heavy-duty trucks in test mode was confirmed a high level in order the average speed, but NOx emissions of heavy-duty buses were increased as the average speed increased. The NO₂/NOx ratio of heavy duty trucks and buses was 0.7~1.0% and 7.7~7.8% at hot start engine condition. The results of this study will contribute to be used as basic data for the estimation of NO₂ concentration in the roadside air monitoring network.
EURO 3에 의한 이륜자동차의 미량유해물질 배출특성평가
유흥민 ( Heung Min Yoo ),손지환 ( Ji Hwan Son ),박규태 ( Gyu Tae Park ),문선희 ( Sun Hee Mun ),윤창완 ( Chang Wan Yun ),김정수 ( Jeong Soo Kim ),이종태 ( Jong Tae Lee ) 한국분무공학회 2015 한국액체미립화학회지 Vol.20 No.4
Recently, the researches for air pollutant control technologies have been performing in Korea, while considering an one of the latest main topics as problems on air pollutant control. However, it is difficult to investigate emission amount of air pollutant by passenger cars, because of lack of the domestic information about mobile source; the number of research institutes are less in the whole. Especially, the informations on registered numbers and emissions of motorcycles are less. Thus, in this study, the analysis that is based on experimental results was conducted for finding out source profiling and emission characteristics on motorcycles exhaust. For these experiments, the domestic motorcycles were chosen and evaluated by EURO III standard. From the result, controlled pollutants (CO, HC, NOx) were met to EURO III, but low displacement motorcycles showed a higher incomplete combustion reaction than that of 250 cc motorcycles. Additionally, uncontrolled pollutants (BTEX and 1,3-butadiene) were decreased with increasing a displacement of motorcycles. However, the emission trend of aldehydes was not followed that of those; the formaldehyde ratio increased upto approximately 33%, with increasing a displacement of motorcycles. In the future, it would be used to support the CAPSS as basic data of Korea.
박규태 ( Gyu Tae Park ),김기준 ( Ki Joon Kim ),이종태 ( Jong Tae Lee ),문선희 ( Sun Hee Mun ),윤현진 ( Hyun Jin Yun ),윤창완 ( Chang Wan Yoon ),김정수 ( Jeong Soo Kim ) 한국액체미립화학회 2014 한국액체미립화학회 학술강연회 논문집 Vol.2014 No.-
The PAHs (polycyclic aromatic hydrocarbons) emitted from diesel vehicles are well known to have carcinogenic to humans. The particulate and gaseous PAHs are emitted from diesel vehicles. In this study, the characteristics of particulate PAHs emitted from medium duty trucks were studied. The medium duty trucks (EURO 4 and EURO 5) were tested by heavy-duty chassis dynamometer system with NIER driving cycle mode. The particulate PAHs were collected by fiberglass filter and determined by a GC/MS (gas chromatograph/mass spectrometer). The PAHs such as acenaphthylene, fluorene, phenanthrene were mainly exhausted from EURO 4 and EURO 5 trucks.
이종태 ( Jong Tae Lee ),유흥민 ( Heung Min Yoo ),손지환 ( Ji Hwan Son ),윤창완 ( Chang Wan Yun ),문선희 ( Sun Hee Mun ),박규태 ( Gyu Tae Park ),김정수 ( Jeong Soo Kim ) 한국분무공학회 2015 한국액체미립화학회지 Vol.20 No.1
Recently, some researchers have been carried out risk assessment of vehicles exhaust on human health. Especially, some of VOCs which is non-controlled, was classified to hazardous pollutant, such as 1,3-Butadiene and BTEX(Benzene, Toluene, Ethylbenzene and Xylene). Therefore, the profile on non-controlled pollutant may be needed in the future, because it would be critical data or information to control them. Additionally, with increasing amount of motorcycle, the source profiling is essential for estimating emission factor and amount on motorcycle exhaust. For these, in this study, imported motorcycles (8 vehicles) were selected as a test model while considering the increasing ratio on sales volume between 2013 and 2014; it was also compared with domestic motorcycles on those. The experiment was conducted by driving mode, UDC and ECE+EUDC that made from EURO III. In addition, it was performed at cold start driving mode without effect by displace- ment, for evaluating only correlation of BTEX with HC. In order to apply the ratio (m,p-Xylene/o-Xylene) as a marker, the ratio was compared with those of tunnel, road side and residential area. As a result, it showed best correlation (R2=0.98) among those. In the future, it has to be considered as a marker for effect evaluation to atmospheric environment by exhaust emission.
김기준 ( Ki Joon Kim ),이종태 ( Jong Tae Lee ),홍석영 ( Suk Young Hong ),이진선 ( Jin Seon Lee ),고종민 ( Jong Min Ko ),문선희 ( Sun Hee Mun ),박규태 ( Kyu Tae Park ),윤현진 ( Hyun Jin Yoon ),김정수 ( Jeong Soo Kim ) 한국액체미립화학회 2014 한국액체미립화학회 학술강연회 논문집 Vol.2014 No.-
Diesel exhaust(DE) were grouped as carcinogens by the WHO IARC in 2012. The trace hazardous substances such as VOCs(volatile organic compound), aldehyde, PAHs, etc. emitted from vehicles affect the human health and air quality. It is necessary to accurately assess the human healthy risk and the degree of exposure to the human body to develop a management policy. However, it is difficult to obtain exact contribution of vehicle exhaust pollutants in atmospheric environment contained various source. The stable isotope analysis methods have been studied for the source tracking and the PGEs (platinum group elements) were analyzed for get contribution of vehicle emission on road. In this study, we build the sampling and analysis systems for the trace exhaust substance and designed new analytical tools such as carbon isotope ratio, Pb isotope ratio, PGEs(Pt, Pd, Rd) for distinguish the pollutants from vehicle from mixed sources.