http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
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.
이종태 ( Jong Tae Lee ),문선희 ( Sun Hee Moon ),김정수 ( Jeong Soo Kim ),김선문 ( Sun Moon Kim ),박규태 ( Gyu Tae Park ),임윤성 ( Yun Sung Lim ) 한국분무공학회 2013 한국액체미립화학회지 Vol.18 No.2
Adulterations fuel have been using in the vehicle in these days. Because gasoline, diesel prices are rising every day, so people find more cheap price fuel. Adulterations fuel caused a serious air pollution problems. Adulteration fuel were made from waste engine oil, waste paint. According to Government regulations permit to be used recycle fuel (adulteration fuel) only in industrial boiler. Unburned fuel pollutants are affected to human health. In this paper, the hazardous air pollutants characteristics in the diesel vehicles according to adulterations of vehicle fuels were carried out in the NEDC test mode in chassis dynamometer. It is revealed that the all of the regulation pollutants (THC, NOx, CO and PM) emission in the adulterations of vehicle fuels was increased also the green house gas, CO2 was increased. In the hazardous air pollutants characteristics, the VOCs (Volitile Organic Compounds) BTEX (Benzene, Toluene, Ethylbenzene, Xylene) emissions in the adulterations of vehicle fuels showed higher level than these in the diesel fuels.
GDI/PFI 자동차 입자상 물질의 화학적 배출 특성 비교 분석
이태형 ( Tae Hyoung Lee ),이종태 ( Jong Tae Lee ),김기준 ( Ki Joon Kim ),김정수 ( Jeong Soo Kim ),박성욱 ( Sung Wook Park ),박규태 ( Gyu Tae Park ),조성원 ( Sung Won Cho ),박태현 ( Tae Hyun Park ) 한국액체미립화학회 2014 한국액체미립화학회 학술강연회 논문집 Vol.2014 No.-
Particulate matter (PM) in the atmosphere has wide-ranging health, environmental, and climate effects, many of which are attributed to fine-mode secondary organic aerosols. PM concentrations are significantly enhanced by primary particle emissions from traffic sources. Recently, in order to reduce CO2 and increase fuel economy, gasoline direct injected (GDI) engine technology is increasingly used in vehicle manufactures. The popularization of GDI technique has resulted in increasing of concerns on environmental protection. In order to better understand variations in chemical composition of particulate matter from emissions of GDI vehicle versus a Port Fuel Injected (PFI) vehicle, a high time resolution chemical composition measurement of PM emissions from GDI and PFI vehicles was conducted at facility of Transport Pollution Research Center (TPRC), National Institute of Environmental Research (NIER), Korea. Continuous measurements of inorganic and organic species in PM emissions were measured using an Aerodyne high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS). The HR-ToF-AMS provides insight into non-refractory PM composition, including concentrations of nitrate, sulfate, hydrocarbon-like and oxygenated organic aerosol, and polycyclic aromatic hydrocarbons (PAH), with 20 sec time resolution. Many cases of PM emissions during the study were dominated by carbonaceous and sulfate aerosol. An overview of observed PM characteristics will be provided along with an analysis of comparison of GDI vehicle versus PFI vehicle in PM concentration and chemical composition.
직업적으로 소음에 노출되는 근로자들에서 청력의 비대칭성
김욱태 ( Wook Tae Kim ),김대환 ( Dae Hwan Kim ),이채관 ( Chae Kwan Lee ),안진홍 ( Jin Hong Ahn ),이창희 ( Chang Hee Lee ),김휘동 ( Hwi Dong Kim ),김정호 ( Jeong Ho Kim ),손병철 ( Byung Chul Son ),이종태 ( Jong Tae Lee ) 한국산업위생학회 2007 한국산업보건학회지 Vol.17 No.2
Usually equal noise exposure is considered to cause symmetrical hearing loss, but some screening audiometries of employees who were exposed to noise showed asymmetry. Therefore, this study was carried out to evaluate the distribution of asymmetrical hearing loss and the difference of air conduction level between left and right ear at the different frequencies (500, 1,000, 2,000, 3,000, 4,000, 6,000 Hz). Study subjects were 326 male employees who had participated in the noise-specific health examination from May to October, 2002. They were evaluated by otoscopic examination, pure tone audiometry and tympanometry. In all frequencies, hearing threshold level of left ear was worse than right ear. The mean interaural threshold differences between two ears were 0.83 dB at 500 Hz, 1.18 dB at 2,000 Hz, 2.29 dB at 3,000 Hz, 2.18 dB at 4,000 Hz, and statistically significant (p<0.05). The hearing loss of left ear was greater than right ear in occupationally noise-exposed workers. It is believed that left ear was more susceptible to noise damage than right ear.
연료분무 및 연소 2 : 국내 소형승용자동차의 온실가스 규제 및 국제동향 연구
이종태 ( Jong Tae Lee ),임윤성 ( Yun Sung Lim ),김정수 ( Jeong Soo Kim ) 한국액체미립화학회 2013 한국액체미립화학회 학술강연회 논문집 Vol.2013 No.-
United state, Europe and Japan set the long-term greenhouse gas emission standards for reducing greenhouse gas from vehicles. Llow-carbon vehicle and infrastructure have been suppling in there countries. Korea regulated greenhouse gas and fuel economy standard in 2011. So greenhouse gas reduction policies are promoted by MOE(Ministry of Environment). Target vehicles is less than 10 persons passenger vehicle. Greenhouse gas standard is CO2 140g/km or fuel economy 17km/L. Automotive manufacturer submit the paper of vehicles sold data and CO2 results by combined mode(CVS-75 and HWFET) to MOE for 1 year(Jan~Dec).
경유자동차의 인증시험 모드 외 질소산화물 배출 특성에 관한 연구
이종태 ( Jong-tae Lee ),박준홍 ( Junhong Park ),윤창완 ( Chang-wan Yun ),강건우 ( Gunwoo Kang ),이상현 ( Jeong-soo Kim ),김정수 한국액체미립화학회 2016 한국액체미립화학회 학술강연회 논문집 Vol.2016 No.-
Emission regulations for diesel vehicles have been dramatically strengthened to reduce air pollutions of urban area. Korea has introduced European strict regulations to light-duty diesel vehicles which Euro6 emission limit was enforced from 2014. Recent studies of on-road NOx emissions have shown that considerable NOx discrepancies exist in driving certification test cycle and on-road. It is regarded as a reason of ineffectiveness of strict vehicle emission regulations on reducing air pollutants such as NO<sub>2</sub>. In this study 20 Euro6 vehicles have been tested in various driving conditions on chassis dynamometer beside conventional certification driving cycle, NEDC. The results have shown very large range of NOx emission values as tested vehicles and engine calibration rather than emission reduction technologies impacted on increased NOx emissions. When vehicles were driven in high ambient temperature with operating air conditioner and in low ambient temperature, reduced EGR function caused excessive NOx emissions. A vehicle emitted high NOx emission in slightly different driving conditions caused by shut-off EGR and was considered to use defeat device.