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Permanent link (DOI): https://doi.org/10.7939/R3PT23

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Transport and deposition of particles onto homogeneous and chemically heterogeneous porous media geometries Open Access

Descriptions

Other title
Subject/Keyword
Convection-diffusion-migration equation
Particle deposition
Eulerian analysis
Patterned heterogeneity
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Chatterjee, Reeshav
Supervisor and department
Bhattacharjee, Subir (Mechanical Engineering)
Mitra, Sushanta K. (Mechanical Engineering)
Examining committee member and department
Yeung, Anthony (Chemical Engineering)
Bhattacharjee, Subir (Mechanical Engineering)
Mitra, Sushanta K. (Mechanical Engineering)
Department
Department of Mechanical Engineering
Specialization

Date accepted
2011-08-03T16:27:55Z
Graduation date
2011-11
Degree
Master of Science
Degree level
Master's
Abstract
Particle transport and deposition in porous media are central to a wide gamut of natural and engineering processes. In order to establish optimal macroscopic performance, it is essential to understand the microscopic colloid transport fundamentals that ultimately manifest at the macroscopic scale. The present body of work intends to provide an insight into the fundamentals of particle transport and deposition onto ideal porous media geometries. An Eulerian model, was developed to evaluate particle deposition rates onto homogeneous and heterogeneous surfaces of two model geometries-a spherical collector and a cylindrical microchannel. For a homogeneous spherical collector, in the absence of Electrostatic Double Layer interactions, the correctness of the Levich solution was established for Brownian particle deposition. Further, it was shown that surface chemical heterogeneity can be effectively tuned to design novel fluidized bed filters. Surface heterogeneity in cylindrical channels was identified as an effective tool in drug targeting and controlling analyte/biomolecule transport in micro fluidic devices.
Language
English
DOI
doi:10.7939/R3PT23
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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