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경유분사 강제재생방식 DPF Burner System 특성 파악을 위한 연구
정건우(Gunwoo Jeong),강정호(Jeongho Kang),정용현(Yonghyun Jeong),유영환(Younghwan You),조재득(Jaedeug Jo) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
Diesel injection of burner systems for optimized control logic to the burner flame characteristics are investigated. Exhaust gas velocity depending, HC-Slip, oxygen concentration and flame temperature are determined on the engine operating conditions. As a result, the engine speed and load increases with increasing space velocity, the flames seem to be the most impact. Interfere with the flow rate of exhaust flame burner and backed by one of the ones that appear to occur is HC-Slip. Burner flame temperature changes with increasing air flow and exhaust flow rate grow from a low speed and high temperatures seem to load. Oxygen concentration of exhaust gas to the temperature of the burner flame seem to decrease. At the conclusion, a burner experiments by changing the shape of the exhaust gas flow rate of the burner flame propagation speed that the affected could be seen.
경유의 황성분이 SiC 매연저감장치의 성능에 미치는 영향
정건우(Gunwoo Jeong),강정호(Jeongho Kang),여아영(Ahyoung Yeo),정재우(Jae-Woo Chung),윤영훈(Younghun Yoon),정용현(Yonghyun Jeong),조재득(Jaedeug Jo),유영환(Younghwan You) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Nowaday, Many country have been using many kind of DPF system. But reduction efficiency was decrease when using less than 430ppm sulfur contents diesel fuel used for a long time. Because sulfur poisoning. Therefore, It was hard to using for diesel fuel. some country using less than 430ppm sulfur contents diesel fuel. In this paper was studied for endurable SiC filter of sulfur poisoning. Because Reduction efficiency decrease Occurs. due to sulfur contents Because low sulfur diesel used for a long time. than uses 30ppm of sulfur contents in Constraints on. Need to be developed. In order to export to foreign countries for consumption will occur So I need to be developed to sulfur poisoning resistant SiC filter. Properties were examined for Sulfur poisoning by dynamometer durability Test. As the result. Reduction efficiency was found that many were not different. to Emissions and particulate matter. Reduction efficiency changes depending on the amount of coating. Suggested the possibility to filter development.