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금속폼을 이용한 Partial DPF의 설계 및 전산유체해석 연구

Study of Design & CFD Analysis for Partial DPF Utilizing Metal Foam


DPF(Diesel Particulate Filter)s have been used to reduce the most of PM(particulate matters) from the exhaust emissions of diesel engine vehicles. Metal foam is one of promising materials for the DPFs due to its cost effectiveness, good thermal conductivity and high mechanical strength. It can be fabricated with various pore sizes and struct thickness and coated with catalytic wash-coats with low cost. In order to design metal foam filter and analyze the flow phenomena, pressure drop and filtration experiment are carried out. Partial DPF which has PM reduction efficiency of more than 50 % is designed in this paper. Also, CFD analysis are performed for different configurations of clean filters in terms of pressure drop, uniformity index, and velocity magnitude at face of filter. Filter thickness and the gap between front and rear filters are optimized and recommended for manufacturing purpose.

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참고문헌 (15)

  1. G. Cho, H. Choi, Y. Jeong, H. Kim, S. Ahn, B. Jeong, Y. Choi, D. Kim, C.S. Yoon, E. Lee, K. Oh, S. Han, K. Kim, S. Park, G. Kim and S. Choi, 'PM Reduction Performance and Regeneration Characteristics of Catalyzed Metal Foam Filters for a 3L Diesel Passenger Vehicle,' SAE 2007-01-3456, 2007 
  2. H. Choi, Study on Prediction of Pressure Drop of a Metallic Foam DPF, M. S. Thesis, Sungkyunkwan University, 2006 
  3. J. Kim, K. Cha, H. Kim, G. Cho and Y. Jeong, 'The Characteristics of Pressure Drop and Trapping for Diesel Particulate Filter System Using Pellet Filters,' Spring Conference Proceedings, Vol.I, KSAE, pp.280-286, 2004 
  4. S. Lee, G. Cho, J. Kim, H. Kim, E. Lee, K. Oh, S. Han, K. Kim and Y. Jeong, 'Study on the Performance of Radial Type Metal Foam DPF,' Spring Conference Proceedings, Vol.I, KSAE, pp.414-419, 2006 
  5. A. G. Konstandopoulos and J. H. Johnson, 'Wall-flow Diesel Particulate Filters - Their Pressure Drop and Collection Efficiency,' SAE 890405, 1989 
  6. Fluent Inc., Fluent 6 User's Guide, 2002 
  7. S. Park, D. Lee, J. Kim, G. Cho, H. Kim and Y. Jeong, 'Filtration Characteristics of Metal Foam Filters for DPF Combined with Electrostatic Precipitation Mechanism,' Transactions of KSAE, Vol.15, No.2, pp.151-158, 2007 
  8. G. C. Koltsakis, D. K. Katsaounis, Z. C. Samaras, Z. C., D. Naumann, S. Saberi and A. Bohm, 'Filtration and Regeneration Performance of a Catalyzed Metal Foam Particulate Filter,' SAE 2006-01-1524, 2006 
  9. http://www.dieselnet.com 
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  12. A. Martin, N. Will, A. Bordet, P. Cornet, C. Gomdoin and X. Mouton, 'Effect of Flow Distribution on Emissions Performance of Catalytic Converters,' SAE 980936,1998 
  13. J. Kim, K. Cha, K. Oh, H. Kim, Y. Jeong and G. Cho, 'A Study on the Particle Reduction Performance of Metal Foam Filter,' Fall Conference Proceedings, Vol.I, KSAE, pp.479- 484, 2005 
  14. M. Berkman and A. Katari, 'Transient CFD : How Valuable is It for Catalyst Design,' SAE 2002-01-0064, 2002 
  15. C. S. Yoon, "CFD Analysis for Development of Partial DPF Utilizing Metal Foam," Research Report, 2007 

이 논문을 인용한 문헌 (3)

  1. 2010. "" International journal of automotive technology, 11(4): 447~453 
  2. Shin, Dong-Won ; Yoon, Cheon-Seog 2010. "Study on Transient Analysis for Flow Characteristics in DPF" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 18(1): 131~138 
  3. Kim, Dong-Kyun ; Yoon, Cheon-Seog 2010. "Study on Multi-Dimensional Simulation of the Flow and Filtration Characteristics in Diesel Particulate Filters" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 18(3): 60~68 


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