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Permanent link (DOI): https://doi.org/10.7939/R30D9D

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The Influence of Geometry on the Performance of Catalytic Converter Open Access

Descriptions

Other title
Subject/Keyword
catalytic converter, monolith, light-off, heterogeneous model
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Najafi Marghmaleki, Amirhassan
Supervisor and department
Hayes,Robert E. (Chemical and Materials Engineering)
Examining committee member and department
Yeung, Anthony (Chemical and Materials Engineering)
Olfert, Jason (Mechanical Engineering)
Department
Department of Chemical and Materials Engineering
Specialization

Date accepted
2010-09-29T19:18:55Z
Graduation date
2010-11
Degree
Master of Science
Degree level
Master's
Abstract
In this thesis, the development and use of a transient heterogeneous 2D model for monolithic catalytic converter is presented. Study on the cold flow hydrodynamics, temperature effect and CO conversion and light off behaviour of different models is developed. Different models are studied based on different parameters such as monolith brick CPSI configuration, size of the converter, inlet cone sizing and inlet velocity of the converter. The results for both steady state and transient modes are presented in detail. It is shown that monolith brick CPSI has a significant effect on pressure drop and light-off behaviour of the converter. Also, converter size has a major effect on the performance of a converter. Inlet cone sizing showed to have a significant effect on the hydrodynamics of the converter but it did not have a major effect on light-off behaviour of the converter.
Language
English
DOI
doi:10.7939/R30D9D
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.
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