• Title/Summary/Keyword: Pollution Emission

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The Study of PM2.5 and Exhaust Emission Characteristics in the Motorcycles according to Various Lubricants (윤활유 종류에 따른 이륜자동차 PM2.5 및 배출가스 특성 연구)

  • Lim, Yunsung;Lee, Jongtae;Park, Jangmin;Kim, Jeongsoo;Lee, Janghoon
    • Transactions of the Korean Society of Automotive Engineers
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    • v.21 no.4
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    • pp.70-76
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    • 2013

  • Because increased food delivery service and quick delivery service using motorcycle, registration numbers of motorcycles were sharply increased and it could contribute on worsening air quality. In this study, two models(50cc, 125cc) of motorcycle were tested by using three types of engine oil. Two motorcycles were tested with CVS-40 mode for emission characteristics such as CO, THC, NOx, Elemental Carbon(EC), Organic Carbon(OC), sulfate, soot and SOF(soluble organic fraction). Result of according to three types of lubricants which included phosphorus, sulfate ash impacted to particle matters so "C" lubricants is more higher PM than "A", "B" lubricants in this research.

  • https://doi.org/10.7467/KSAE.2013.21.4.070 인용 PDF KSCI

Air Pollution Forecasting Using Urban Transportation Planning Models and Air Pollution Dispersion Models (都市交通計劃 모델과 大氣汚染 擴散모델을 이용한 都市地域 大氣汚染 豫測)

  • 董宗仁;趙康來;金良均;兪 浣
    • Journal of Korean Society for Atmospheric Environment
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    • v.2 no.2
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    • pp.31-40
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    • 1986

  • Motor vehicle related air pollution has become more serious because of rapid increase of number of cars, specially in the urban area. The increase trend seems to be accelerated, however, the fact is that road conditions, parking facilities and traffic control systems are far behind coping with this situation. In spite of the lack of related basic data, urban transportation planning (UPT) and air pollution dispersion models were applied to predict air pollution level. In standard UPT model, trip generation, distribution, modal split and network assignment were estimated by experimental equations and appropriate models. The air pollution level in the central business area was believed to be higher and it will increase continuously due to the increase of traffic demand. To meet this situation, air pollution problem should be considered as a part of integrated plannings of urban plans or transportation plans as well as more stringent motor vehicle emission standards, have to be enforced.

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