Transactions of the Korean Society of Automotive Engineers (한국자동차공학회논문집)

The Korean Society of Automotive Engineers (한국자동차공학회)
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An Experimental Study on Filtration Efficiency and BPT Characteristics by Soot Loading in Partial-diesel Particulate Filter

포집량에 따른 p-DPF의 정화효율 및 BPT 특성에 관한 실험적 연구

  • Kim, Tae-Kwon (School of Mechanical and Automotive Engineering, Keimyung University) ;
  • Kim, Young-Jo (Graduate School of Mechanical Engineering, Keimyung University) ;
  • Ha, Ji-Soo (Deparment of Energy and Environmental Science, Keimyung University) ;
  • Lee, Chun-Beom (Diesel Hybrid R&D, KATECH) ;
  • Oh, Kwang-Chul (Diesel Hybrid R&D, KATECH)
  • 김태권 (계명대학교 기계자동차공학부) ;
  • 김영조 (계명대학교 대학원 기계공학과) ;
  • 하지수 (계명대학교 에너지환경과학과) ;
  • 이춘범 (자동차부품연구원 친환경디젤하이브리드센터) ;
  • 오광철 (자동차부품연구원 친환경디젤하이브리드센터)
  • Received : 2010.06.30
  • Accepted : 2011.06.21
  • Published : 2011.11.01
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Abstract

Diesel particulate filter is being recognized that it is the most effective technologies to reduce particulate matter. In this study, to determine the characteristics of the cell-open-type pDPF, we employed p-DPF to exhaust gas tunnel of diesel engine and surveyed filtration efficiency and BPT on the basis of PM which is exhausted from engine. In this paper the soot loading mass in DPF can be predicted from increase of differential pressure of DPF so that we can measure filtration efficiency and Balance Point Temperature (BPT) by soot loading mass. The result of the research showed that the filtration efficiency is 65% in ESC mode with 0.7mm hole diameter. For the results of the characteristics of filtration efficiency and BPT according to mass_exh, we found that if mass_exh increases, filtration efficiency increases and BPT decreases.

Keywords

References

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