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Catalyzed diesel particulate filter modeling
Koltsakis, Grigorios Haralampous, Onoufrios Depcik, Christopher Ragone, J. Colter
Koltsakis, Grigorios
Haralampous, Onoufrios
Depcik, Christopher
Ragone, J. Colter
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Abstract
An increasing environmental concern for diesel particulate emissions has led to the development of efficient and robust diesel particulate filters (DPF). Although the main function of a DPF is to filter solid particles, the beneficial effects of applying catalytic coatings in the filter walls have been recognized. The catalyzed DPF technology is a unique type of chemical reactor in which a
multitude of physicochemical processes simultaneously take place, thus complicating the tasks of design and optimization.
To this end, modeling has contributed considerably in reducing the development effort by offering a better understanding of the underlying phenomena and reducing the excessive experimental efforts associated with experimental testing. A comprehensive review of the evolution and the most recent developments in DPF modeling, covering phenomena such as transport, fluid
mechanics, filtration, catalysis, and thermal stresses, is presented in this article. A thorough presentation on the mathematical model formulation is given based on literature references and the differences between modeling approaches are discussed. Selected examples of model application and validation versus the experimental data are presented.
Description
This is the published version.
Date
2013-02
Journal Title
Journal ISSN
Volume Title
Publisher
De Gruyter
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Keywords
Diesel particulate filter, Filtration, Mathematical modeling, Soot oxidation
Citation
Koltsakis G, Onoufrios H, Depcik C, Ragone JC. Catalyzed diesel particulate filter modeling. Reviews in Chemical Engineering 2013; 29: 1–61. DOI:10.1515/revce-2012-0008