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The Role of Industrial Energy Efficiency and Fuel Switching as Pathways to Net-Zero Emissions in the Canadian Pulp and Paper Sector
DownloadSpring 2022
Industrial decarbonization is a critical challenge along the pathway to reducing greenhouse gas (GHG) emissions at a sufficient scale and pace to avoid the worst impacts of climate change. The intrinsic energy- and emissions-intensive nature of heavy industry has led to the recognition that...
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Fall 2017
This work focuses on validation of a commercial computational fluid dynamics (CFD) software ANSYS Fluent 16.2 applied to multi-phase modeling of fluidized beds. A two-phase Eulerian-Eulerian based model is used to numerically reproduce experiments carried out by Taghipour, F. et al (Chem. Eng....
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Fall 2009
Homogeneous Charge Compression Ignition (HCCI) is a promising method for combustion engines to provide a substantial reduction in fuel consumption and formation of both nitrogen oxides and soot pollutants in automotive and stationary engines. Control of HCCI combustion timing is essential for the...
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Life Cycle Assessment and Greenhouse Gas Abatement Costs of Hydrogen Production from Underground Coal Gasification
DownloadSpring 2015
Large amounts of hydrogen (H2) are required for the upgrading of bitumen from oil sands to produce synthetic crude oil (SCO). Currently, natural gas is used in the bitumen upgrading industry to produce H2 through steam methane reforming (SMR). This process has a significant life cycle greenhouse...
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Fall 2011
Computer modeling is critical for catalyst layer (CL) design in polymer electrolyte membrane fuel cells. Water-filled and ionomer-filled agglomerate models have been suggested as representations of the CL microstructure. In this thesis, improved water-filled and ionomer-filled agglomerate models...
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Fall 2019
This work focuses on the implementation and validation of the implicit Total Variation Diminishing (TVD) schemes for modelling of two-dimensional multiphase flow. The TVD schemes are designed to mitigate the numerical diffusion at the interface where discontinuities of fluid properties exist...
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Electromechanical Behaviour of Surface-Bonded Piezoelectric Sensors/Actuators with Imperfect Adhesive Layers
DownloadFall 2009
The performance of smart structures depends on the electromechanical behaviour of piezoelectric sensors/actuators and the bonding condition along the interface, which connects the sensor/actuator and the host structures. This thesis documents a theoretical study of the influence of material...
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Development of a Framework for Assessment of Water-Energy Demand and Supply in Energy Sector
DownloadFall 2015
Water resource planning and management has become more challenging over the years. To make well-informed long-term system planning decisions, policy makers and resource managers need to fully comprehend the water-energy nexus. There is a scarcity of tools for integrated assessment of greenhouse...
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Design and Development of a New Model for Predicting the Mechanical Properties of Three-Dimensional Braided Composite Materials
DownloadFall 2018
Three-dimensional (3D) braided composite materials have been used in the transportation, aviation, and military applications because of their many beneficial attributes. Included in these attributes is their increased through thickness properties that make them an idea replacement for composites...
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Characterization and Modeling of Natural-Fibres-Reinforced composites (Moisture Absorption Kinetics, Monotonic Behaviour and Cyclic Behaviour)
DownloadFall 2014
Natural fibres have been shown to offer a good potential in replacing or supplementing synthetic fibres in composite material applications. To fully utilize these new materials in design, however, engineering models of the mechanical behaviour need to be developed and ...