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Title: The effects of soot properties on the regeneration behaviour of wall-flow diesel particulate filters
Authors: Law, M.C.
Clarke, Andrew
Garner, Colin P.
Keywords: Regeneration
Oxidation
Soot
Diesel particulate filter
Trap
Activation energy
Frequency factor
Bulk density
Porosity
Particle size
Issue Date: 2004
Publisher: Professional Engineering Publishing / © IMECHE
Citation: LAW, M.C., CLARKE, A.A. and GARNER, C.P., 2004. The effects of soot properties on the regeneration behaviour of wall-flow diesel particulate filters. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 218(12), pp. 1513-1524.
Abstract: In recent years, significant effort has been put into studying the regeneration process of diesel particulate filters (DPFs) either through experiments or modelling. However, less attention is paid to understanding the important influence of soot properties on the regeneration process. In this paper, for the first time, five fundamental soot properties, namely activation energy, frequency factor of the reaction, soot bulk density, porosity and mean soot particulate diameter, are investigated. Sensitivity analyses are carried out for each of these parameters based on a one-dimensional generalized DPF regeneration model. It is found that activation energy is the most important factor in the regeneration process, followed by frequency factor, bulk density, porosity and mean particulate size. In addition, the results also indicate that the concentration of exhaust gas oxygen has a significant influence on the role played by each parameter. This clearly shows the importance of gas diffusion in the regeneration process.
Description: This is an article from the journal, Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering [© IMechE ]. It is also available at:http://dx.doi.org/10.1243/0954407042707632
Version: Published
DOI: 10.1243/0954407042707632
URI: https://dspace.lboro.ac.uk/2134/4836
ISSN: 0954-4070
Appears in Collections:Published Articles (Mechanical and Manufacturing Engineering)

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