• Title/Summary/Keyword: 저유황경유

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A Study on Heavy-Duty Diesel Engine Performance with a CR-DPF and Cooled-EGR (CR-DPF와 Cooled-EGR 적용한 대형디젤기관 성능에 관한 연구)

  • Moon, Byung-Chul;Oh, Yong-Suk;Oh, Sang-Ki;Kang, Kum-Won;Ahn, Kyun-Jae
    • Transactions of the Korean Society of Automotive Engineers
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    • v.14 no.3
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    • pp.75-80
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    • 2006
  • Since air pollution has become a globally critical issue and exhaust emissions from automobiles cause a major source of air pollution, many countries including advanced countries have stipulated stringent emission regulations. Particularly in diesel vehicles, NOx and particulate matters exhaust in significant amounts even though diesel vehicles provide merits in aspects of higher thermal efficiency and lower $CO_2$. To reduce Particulate matters and NOx, after-treatment technology such as filter trap, oxidation catalysts and EGR has been applied. This test was conducted on the effect of continuous regeneration diesel particulate filter and cooled-EGR, and 15ppm low sulfur diesel was used as a test fuel. Exhaust emissions, PM, NOx, CO, HC and Soots were measured and compared under D-13 and D-3 modes.

An Experimental Study on Emission Reduction by Low Sulfur Diesel Fuel in Diesel Oxidation Catalyst of Heavy Duty Diesel Engine (대형디젤기관의 디젤산화촉매장치에서 저유황 경유에 의한 배출가스 저감에 관한 실험적 연구)

  • 요용석;강호인;한영출
    • Transactions of the Korean Society of Automotive Engineers
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    • v.6 no.3
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    • pp.138-142
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    • 1998
  • Among aftertreatment devices which reduce exhaust gas of diesel engine, diesel oxidation catalyst(DOC) with high reduction efficiency for gaseous matter and particulate matter is now being studied actively. In this study, an experiment was conducted to analyze the effects of low sulfur diesel fuel in heavy duty diesel engine equipped with DOC. We tested to estimate change of engine performance for the low and high sulfur diesel fuels in a 11,000cc diesel engine equipped with DOC. We conducted test to estimate the reduction efficiency of exhaust gas in D-13 mode of heavy duty diesel regulation mode and in smoke opacity mode for two samples of high sulfur content (0.2%) and low sulfur content(0.05%)

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