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Permanent link (DOI): https://doi.org/10.7939/R3CW4R

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Theses and Dissertations

Restructuring of soot particles by surface coatings Open Access

Descriptions

Other title
Subject/Keyword
soot
black carbon
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Ghazi, Rouzbeh
Supervisor and department
Jason, Olfert (Mechanical Engineering)
Examining committee member and department
Vehring, Reinhard (Mechanical Engineering)
Jason, Olfert (Mechanical Engineering)
Kindzierski , Warren (Public Health Sciences)
Department
Department of Mechanical Engineering
Specialization

Date accepted
2012-07-20T15:30:33Z
Graduation date
2012-11
Degree
Master of Science
Degree level
Master's
Abstract
The size distribution, volatile mass fraction, effective density, mass concentration and mass-mobility exponent of particles from an inverted burner and a McKenna burner were measured with a Differential Mobility Analyzer (DMA) and a Centrifugal Particle Mass Analyzer (CPMA). Based on these properties a recommendation was made to choose an appropriate burner and flow settings for an investigation on the effect of coating thickness on the morphology of soot particles. Oleic acid and dioctyl sebacate (DOS) was used as a coating material in a wide range of coating thicknesses. It was shown that as the coating mass increases the degree of collapsing increases. A model is presented to predict the change in mobility diameter as a function of coating mass ratio. The change of effective density and shape factor of soot particles in coating/denuding process is also reported.
Language
English
DOI
doi:10.7939/R3CW4R
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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