The effects of soot properties on the regeneration behaviour of wall-flow diesel particulate filters
The effects of soot properties on the regeneration behaviour of wall-flow diesel particulate filters
- New search for: Law, M C
- New search for: Clarke, A
- New search for: Garner, C P
- New search for: Law, M C
- New search for: Clarke, A
- New search for: Garner, C P
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.
Document information
The effects of soot properties on the regeneration behaviour of wall-flow diesel particulate filters
2004-12-01
12 pages
Article (Journal)
Electronic Resource
English
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