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The Effects of Two Catalyzed Particulate Filters on Exhaust Emissions from a Heavy Duty Diesel Engine: Filtration and Particulate Matter Oxidation Characteristics Studied Experimentally and Using a 1- D 2- Layer Model
Technical Paper
2005-01-0950
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A 1-D 2-layer model developed previously at MTU was used in this research to predict the pressure drop, filtration characteristics and various properties of the particulate filter and the particulate deposit layer. The model was used along with dilute emission data to characterize two catalyzed particulate filters (CPFs) having different catalyst loading and catalyst application processes. The model was calibrated and validated with data obtained from steady state experiments conducted using a 1995 Cummins M11-330E heavy-duty diesel engine with manual EGR with different fuels for the two different CPFs. The two different catalyzed particulate filters were CPF III (5 gms/ft3 Pt) and CPF V (50 gms/ft3 Pt). Both the CPFs had cordierite substrates with CPF III and CPF V had MEX and NEX catalyst type formulation respectively. The CPF III filter was catalyzed using a solution-impregnated process while the CPF V filter was catalyzed using a wash coat process. Experiments with the CPF III were conducted using conventional low sulfur fuel (CLSF) while ultra low sulfur fuel (ULSF) was used in conjunction with the CPF V. The model was used to predict the pressure drop, particulate mass retained inside the CPF, particulate mass filtration efficiency and concentration downstream of the CPFs with good agreement between the experimental and simulated results. Emissions characterization experiments were conducted for the CPFs in the dilute exhaust at rated speed (1800 rpm) and 25, 50, 75 and 100 % load conditions designated as Modes 11, 10, 9 and 8 respectively. The emissions characterized included, 1)TPM, SOL, SOF and sulfates using the gravimetric method, 2) TC, EC and OC using the thermal optical method (TOM), 3) gas phase emissions and 4) particle The two CPFs were compared based on the raw experimental, dilute experimental and simulated results to determine the influence of the differences in the CPFs on their performance.
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Thalagavara, A., Shende, A., Johnson, J., Bagley, S. et al., "The Effects of Two Catalyzed Particulate Filters on Exhaust Emissions from a Heavy Duty Diesel Engine: Filtration and Particulate Matter Oxidation Characteristics Studied Experimentally and Using a 1- D 2- Layer Model," SAE Technical Paper 2005-01-0950, 2005, https://doi.org/10.4271/2005-01-0950.Also In
Diesel Exhaust Emission Control and Modeling on CD-ROM from the SAE 2005 World Congress
Number: SP-1981CD; Published: 2005-04-11
Number: SP-1981CD; Published: 2005-04-11
References
- Howitt J. Montierth M. “Cellular Ceramic Diesel Particulate Filter” SAE 81104 1981
- Gantawar A. K. Opris C. N. Johnson. J. H. “A Study of the Regeneration Characteristics of Silicon Carbide and Cordierite Diesel Particulate Filters Using a Copper Fuel Additive” SAE 970187 1997
- Awara E. A. Opris C. N. Johnson J. H. “A Theoretical and Experimental Study of the Regeneration Process in a Silicon Carbide Particulate Trap Using a Copper Fuel Additive” SAE 970188 1997
- Warner J.R. Johnson J.H. Bagley S.T. Huynh C.T. “Effects of a Catalyzed Particulate Filter on Emissions from a Diesel Engine: Chemical Characterization Data and Particulate Emissions Measured with Thermal Optical and Gravimetric Methods.” SAE 2003-01-0049 2003
- Konstandopoulos A. G. “An Experimental and Theoretical Study of Ceramic Monolith Traps in Conjunction with a Manganese-Copper Fuel Additive for Diesel Particulate Emissions Control” Michigan Technological University Houghton, MI 1987
- Thalagavara A.M. Johnson J.H. Bagley S.T. Shende A.S. 2005 “The Effects of A Catalyzed Particulate Filter and Ultra Low Sulfur Fuel on Heavy Duty Diesel Engine Emissions” SAE 2005-01-0473 2005
- Huynh C.T. Johnson J.H. Yang S.L. Bagley S.T. Warner J.R. “A One-Dimensional Computational Model for Studying the Filtration and Regeneration Characteristics of a Catalyzed Wall Flow Diesel Particulate Filter” SAE 2003-01-0841 2003
- Shende A. S. Johnson J. H. Yang S. L. Bagley S. T. Thalagavara A. M. “The Filtration and Particulate Matter Oxidation Characteristics of a Catalyzed Wall-Flow Diesel Particulate Filter: Experimental and 1-D 2-Layer Model Results” SAE 2005-01-0949 2005
- Huynh C. T. “A Study of the Filtration and Regeneration Characteristics of a Catalyzed Wall Flow Diesel Particulate Filter: One-Dimensional Model Calibrated and Validated with Experimental Data” Michigan Technological University Houghton, MI 2002
- Triana A. “Development of Models to Study the Emissions, Flow and Kinetic Characteristics from Diesel Oxidation Catalysts and Particulate Filters” Michigan Technological University Houghton, MI 2004
- Triana A. Johnson J. H. Yang S. L. “MTU-FILTER: Diesel Particulate Trap Simulation and Modeling Software” Software Users Manual Michigan Technological University 2003
- Mitchell K. Steere D. E. Taylor J. A. Manicom B. Fischer J. E. Sienicki E. J. Chiu C. Williams P. “Impact of Diesel Fuel Aromatics on Particulate, PAH and Nitro PAH emissions” SAE 940253 1994
- Herzog P.L. Burgler L. Winklohfer E. Zelenka P. Cartellieri W. 1992 “NOx Reduction Strategies for DI Engines” SAE 920470 1992
- Weaver C. S. Miller C. Johnson W. A. Higgins T. S. “Reducing the Sulfur and Aromatic Content of Diesel Fuel: Costs, Benefits, and Effectiveness for Emissions Control” SAE 860622 1986
- Blanchard G. Sequelong T. Michelin J. Schuerholz S. Terres F. “Ceria Based Fuel Borne Catalysts for Series Diesel Particulate Filter Regeneration” SAE 2003-01-0378 2003
- Frisch L. E. Johnson J. H. Leddy D. G. “Effects of Fuels and Dilution Ratio on Diesel Particulate Emissions” SAE 790417 1979
- Cornelius O.N. “The Effect of Sulfur on Diesel Emissions” Michigan Technological University 1993
- Clerc J. C. Johnson J. H. “A Computational Heat Transfer Model for Predicting Diesel Emissions in Dilution Tunnels” SAE 82128 1982
- Abdul-Khalek I.S. Kittelson D.B. Graskow B.R. Wei Q. “Diesel Exhaust Particle Size: Measurement Issues and Trends.” SAE 980525 1998
- Konstandopoulos A. G. Kostoglou M. Skaperdas E. Papaioannou E. Zarvalis D. Kladopoulou E. “Fundamental Studies of Diesel Particulate Filters: Transient Loading, Regeneration, and Ageing” SAE 2000-01-1016 2000