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Diesel Particulate Filter Operational Characterization
ISSN: 0148-7191, e-ISSN: 2688-3627
Published March 08, 2004 by SAE International in United States
Annotation ability available
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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CitationLocker, 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.
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