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Skip to Search Results- 1Afshar, Shima
- 1Aldhaleai, Ahmed Mahmood
- 1Bozorg Bigdeli, Masoud
- 1Chen, Huanchen
- 1Chini, Seyed Farshid
- 1Koch, Brendan M
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Spring 2013
This thesis is concerned with the effect of mechanical wear on superhydrophobic surfaces (SHS). This work, for the first time, systematically details the simultaneous surface topography and wetting behavior changes upon abrasion of SHS. The process of physical abrasion was also simulated on the...
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Spring 2018
Superhydrophobic interfaces, due to their unique water repellent and self-cleaning properties, are attracting a wide-spread interest for implementation in a variety of applications, including self-assembly based fabrication methods, nano/microfluidics, and solar energy harvesting. To facilitate...
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Superhydrophobic Micro- and Nano-structured Surfaces: Fabrication, Wetting, and Evaporation
DownloadFall 2020
Water-repellent, superhydrophobic (SH) surfaces have attracted a remarkable interest in researchers for both purely academic pursuits and industrial applications, including nanofluidics and microfluidics, coatings, and drag reduction, due to their unique self-cleaning and drag reduction...
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Rheology of Bitumen at the Onset of Asphaltene Aggregation and its Effects on the Stability of Water-in-Oil Emulsion
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Asphaltenes are the heaviest fraction of bitumen. Asphaltenes not only play an important role in the high viscosity of bitumen but also in the water-in-oil (W/O) emulsion stability. Nevertheless, their exact function in the stability mechanism of W/O emulsion still remains unresolved. It is...
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Spring 2024
Steam-assisted gravity drainage (SAGD) has proved to be a technically and commercially successful methodology for recovering heavy-oil in Canada. At present, there are 22 commercial SAGD projects with over 300 pads and 2,700 well pairs, contributing to over 1.5 million bbl/day of production. The...
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Fall 2012
Last couple of decades have witnessed massive upsurge in efforts of transporting and manipulating solutes and moieties in microfluidic devices. Classical pressure-driven transport demands massive pumping power for microchannels making it unusable in several microfluidic applications. Accordingly,...
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Spring 2010
Molecular dynamics simulation and density functional theory were applied to calculate heats of immersion (ΔHimm) of n-heptane, toluene, pyridine and water on two model sand surfaces and two model clay surfaces. Our results indicated that water showed the highest ΔHimm for the model clay surfaces...
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Metal particle catalyst formation from thin films for the creation of vertically aligned carbon nanotube structures
DownloadFall 2011
This work contains research associated with the metal catalysts used in the formation of vertically aligned carbon nanotube (VACNT) films through catalytic chemical vapour deposition (CCVD). The solid-state dewetting process of thin metal films is studied using Ni. In the dewetting process, grain...
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Fall 2015
Drop transfer from one solid surface to another through stretching liquid bridges between them is important for many industrial applications. Due to the different dominate forces, three possible regimes exist: Quasi-static Regime, where the transfer process is only dominated by surface forces;...
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Fabrication and Characterization of Photolithographically Patterned Rough Surfaces Demonstrating Extreme Contact Angle Behavior
DownloadFall 2014
This thesis features experimental work done to fabricate and characterize silicon surfaces patterned using photolithographic techniques, both standard and novel, to produce a variety of surfaces with roughness of controlled geometric properties. In specific, one set of the surfaces fabricated...