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Permanent link (DOI): https://doi.org/10.7939/R3BV7B392

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Multi-scale modeling of automotive catalytic converters Open Access

Descriptions

Other title
Subject/Keyword
catalytic reactor modeling
cell density
look-up tables
catalytic converter
automotive catalytic converters
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Fadic Eulefi, Anton
Supervisor and department
Robert E. Hayes
Examining committee member and department
Carlos Lange (Mechanical Engineering)
Bob Koch (Mechanical Engineering)
Department
Department of Chemical and Materials Engineering
Specialization
Chemical Engineering
Date accepted
2014-09-29T10:41:47Z
Graduation date
2014-11
Degree
Master of Science
Degree level
Master's
Abstract
In this work the Computational Fluid Dynamics modeling of the Automotive Catalytic Converter is comprehensively performed, including the study of the Flow Field distribution and the Temperature distribution under cold, non-reacting flow for six different monolith properties. A sensitivity study of some key lengths values was also performed. Later, the effect of the reactions is included by using an example reaction of Ammonia oxidation, which by the use of the multi-scale lookup tables technique allows to model the sub-grid effects of diffusion into the washcoat, that otherwise would be impossible to consider properly with alternatives modeling approaches.
Language
English
DOI
doi:10.7939/R3BV7B392
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication
R.E. Hayes, A. Fadic, J. Mmbaga, and A. Najafi . CFD modelling of the automotive catalytic converter. Catalysis Today, 188(1):94-105, 2012. Modeling of Exhaust-Gas After-Treatment.A. Fadic, T. Nien, J. Mmbaga, R.E. Hayes, and M. Votsmeier. A case study in multi-scale model reduction: The effect of cell density on catalytic converter performance. The Canadian Journal of Chemical Engineering, 92(9):1607-1617, 2014.

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