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Diesel Particulate Filter Operational Characterization
Technical Paper
2004-01-0958
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Wall-flow filter technology has been used for many years to remove particulate emissions from a select number of diesel engine exhaust systems. Significant implementation of diesel particulate filters will require the definition of regeneration strategies that permit the filters to be regularly and durably purged of accumulated non-volatile particulates. This paper will examine the laboratory-bench characterization of filter responses to the wide variety of input conditions to which they may be exposed in practice.
The lab-bench filter characterization will be done as a function of generic independent variables such as flow rate, inlet temperature, oxygen content and soot loading. The testing will be conducted on uncatalyzed filters for this preliminary study. The characterization approach will examine such dependent variables as completeness of regeneration and maximum exotherm temperatures.
Results of this experimentation are expected to permit the necessary understanding around which durable regeneration strategies may be developed. The conceptual tool will be able to provide directional filter response to a range of input operating conditions.
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Authors
Citation
Locker, R., Sawyer, C., Menon, S., Floerchinger, P. et al., "Diesel Particulate Filter Operational Characterization," SAE Technical Paper 2004-01-0958, 2004, https://doi.org/10.4271/2004-01-0958.Also In
Diesel Emissions on CD-ROM from the SAE 2004 World Congress
Number: SP-1835CD; Published: 2004-03-08
Number: SP-1835CD; Published: 2004-03-08
References
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- Hiranuma S. Takeda Y. Kawatam T. Doumeki R. Nagasaki K. Ikeda T. “Development of DPF System for Commercial Vehicle - Basic Characteristic and Active Regeneration Performance,” SAE Paper No. 2003-01-3182 March 2003
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- Zenlenka P. Schmidt S. Elfinger G. “An Active Regeneration as a Key Element for Safe Particulate Trap Use,” SAE Paper No. 2001-0103199 February 2001
- Salvat O. Marez P. Belot G. “Passenger Car Serial Application of a Particulate Filter System on a Common Rail Direct Injection Engine,” SAE Paper No. 2000-01-0473 February 2000
- Merkel G.A. Cutler W. A. Warren C.J. “Thermal Durability of Wall Flow Ceramic Diesel Particulate Filters,” SAE Paper No. 2001-01-0190 February 2001
- Locker R. Gunasekaran N. Sawyer C. “Diesel Particulate Filter Test Methods,” SAE Paper No. 2002-01-1009 March 2002