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디젤 승용 차량 대상 차량 시험 모드별 미세입자 배출 특성 해석
김세준(Sejun Kim),정민원(Minwon Jung),이진욱(Jinwook Lee),차경옥(Kyongok Cha),권상일(Sangil Kwon),김종춘(Jongchun Kim) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently, the nano-PM's number concentration emitted by diesel internal combustion engine has focused on attention because this particulate matters are suspected being hazardous of human health. In this study, The nano-PM mass and size of diesel passenger vehicles were measured on chassis dynamometer test bench. The particulate matters (PM) emissions of these vehicles were investigated by number concentration too. A condensation particle counter (CPC) system was applied to measure the particle number and size concentration of diesel exhaust particles at the end of dilution tunnel along the NEDC(ECE15+EUDC) and CVS-75 vehicle test mode. As the research result, the characteristic of vehicle test mode on the diesel nano-particle number and size distribution was investigated in this study.
2001~2005년 제작되어 운행중인 자동차의 배출가스 특성
엄명도(Myoungdo Eom),한종수(Jongsoo Han),김선문(Sun Moon Kim),이중구(Joongku Lee),김종춘(Jongchun Kim) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In Korea, the vehicle registration number of 2004 has been increased almost 4.4 times than that of 1990. Main reason of this considerable increase is the gravitation of population toward cities and rapid industrialization. In order to reduce air pollution caused by mobile sources under this condition, Korean government has regulated motor vehicle emission and strengthen the emission standards. Therefore vehicle manufacturers have to meet these standards and try to maintain performance of vehicles in warranty period. According to results of study, the ratio of a car that exceed appear to the LPG fueled vehicle(43%), diesel fueled vehicle(28%), gasoline fueled vehicle(24%) by emission standard test result. CO and HC appeared high emission level in a LPG car and NOx appeared diesel. Gasoline and LPG light motor vehicle CO's average, a light duty multipurpose vehicle PM's average emission standard for manufacture exceed. CO's average of LPG vehicle approximated in standard as 99% of emission standard. All item higher emission level appeared in light motor vehicle(lower 1.000㏄) depend on gasoline fueled vehicle, especially 2500CC gasoline fueled vehicle was most good emission level. Need less driver's maintenance parts for improvement of this, and repairman judged that do not tempering adjustment of fuel system.
엄명도(MyoungDo EOM),류정호(JungHo RYU),유영숙(YoungSook LYU),김종춘(JongChun KIM),김선문(SunMoon KIM),임철수(CheolSoo LIM) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
We investigated the tailpipe VOCs emission from motor vehicle last year and continuously studied the evaporative emission of gasoline and LPG vehicle this year. On the basis of the results of these studies, the basic emission factor and management plan for motor vehicle related VOCs emissions are proposed.<br/> The result of this study shows that the diurnal breathing loss emission rate was large than hot soak emission rate about 2 times, and the evaporative VOCs emissions from ove<br/> 80,000km vehicle were 2 times larger than less 80,000km vehicle. As the fuel R VP increased from 7 to 11, the emission rate also increased more than 2 times.<br/> The individual composition of evaporative VOCs was different by fuel type. In case of gasoline vehicle, the order of evaporative VOCs composition was paraffins>aromatics>olefins, and some kinds of health effective aromatics like benzene, toluene, ethylbenzene, xylene were included more than 10%. In case of LPG vehicle, the most abundant component of evaporative and exhaust VOCs emission was butane.<br/>
유영숙(Youngsook Lyu),류정호(Jungho Ryu),한종수(Jongsu Han),엄명도(Myungdo EOM),김종춘(Jongchun Kim) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Motor vehicles are one of major sources of VOCs in Korea. Among two type of emission routes, tailpipe and evaporative way, tailpipe emission contributes more than 70% of whole VOCs emitted from vehicles. Even though the emission portion is small, evaporative VOCs are still important because of the serious hazardous to human health and environment. In this study, in order to investigate the evaporative VOCs emission, especially refueling emission, we tested 12 vehicles in ORVR SHED using EPA regulation test procedure. The VOCs emission rats were determined and characteristics by fuel temperature and fuel RVP were also discussed. Moreover by comparing the composition of fuel and vapor, we tried to figure out the relation between composition of fuel and vapor. The result of this study showed that the most abundant compounds of VOCs vapor are paraffines such as iso-butane and iso-pentane. The composition of vapor does not well matched with that of fuel because of the evaporative characteristics of individual compound. Over all results of this study will be contribute to the VOCs emission reduction strategies of MOE in the future.
엄명도(Myoungdo Eom),박준홍(Junhong Park),한종수(Jongsoo Han),이종태(Jongtae Lee),김종춘(Jongchun Kim),이중구(Joongu Lee) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In Korea, the vehicle registration has been steadily increasing. Main reason of this considerable increase is the gravitation of population toward cities and rapid industrialization. In order to reduce air pollution caused by mobile sources under this condition, Korean government has regulated motor vehicle emission and strengthen the emission standards. Therefore vehicle manufacturers have to meet these standards and try to maintain performance of vehicles in warranty period. According to results of study, the ratio of a car that exceed appear to the LPG fueled vehicle(43%). diesel fueled vehicle(28%). gasoline fueled vehicle(24%) by emission standard test result. CO and HC appeared high emission level in a LPG car and NOx appeared diesel. Gasoline and LPG light duty vehicle in CO's average. a light duty multipurpose vehicle in PM's average exceeded to emission standard at manufactured year. CO's average of LPG vehicle approximated in standard as 99% of emission standard. All item higher emission level appeared in light motor vehicle (lower 1.000㏄) depend on gasoline fueled vehicle. especially 2500㏄ gasoline fueled vehicle was most good emission level. Need less driver's maintenance parts for improvement of this. and repairman judged that do not tempering adjustment of fuel system. After repairing vehicle show lower emission level than did not one. User consider maintenance that make good emission level.
2000~2003년 제작되어 운행중인 자동차의 배출가스 특성
엄명도(Myoungdo Eom),박준홍(Junhong Park),박용희(Yonghi Park),김종춘(Jongchun Kim) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Manufacture in our country and a motor vehicle sold executes for emission test of a certification that confirm availability whether is suitable in motor vehicle emission standard of our country at newly developing step on the motor vehicles. Emission certification test was carried out after calculation of deterioration factor through endurance laboratory test(millage accumulation) and then calculation that correspond in emission warranty(gasoline 160,000 km, diesel 80.000 km) in chassis dynamometer test. Final certification test result is satisfied air environmental protection law article 32 (emission standards) and then mass production. Sale is available. According to results of study, the ratio of a car that exceed appear to the LPG fueled vehicle(43%), diesel fueled vehicle(28%), gasoline fueled vehicle(24%) by emission standard test result. CO and HC appeared high emission level in a LPG car and NOx appeared diesel. Gasoline and LPG light motor vehicle CO's average, a light duty multipurpose vehicle PM's average emission standard for manufacture exceed. CO's average of LPG vehicle approximated in standard as 99% of emission standard. All item higher emission level appeared in light motor vehicle(lower 1,000cc) depend on gasoline fueled vehicle, especially 2500CC gasoline fueled vehicle was most good emission level. Need less driver's maintenance parts for improvement of this, and repairman judged that do not tempering adjustment of fuel system.