Browsing Doctoral Dissertations by Title
Now showing items 90-109 of 149
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Investigation into the stability of low-inertia micro-grids
(2023-05-01)This work examines the stability of low inertia micro-grids (MGs). The lack of inertia in such power electronics dominated grid is a pressing matter that directly impacts its operation and stability. The investigated MG ... -
Investigation of a novel high temperature solid oxide electrolyzer for solar hydrogen production
(2017-04-01)This thesis proposes and investigates a new generation of photoelectrochemical cells for solar hydrogen production based on high temperature Solid Oxide Electrolysis Cells. Therefore, a set of experiments are designed to ... -
Investigation of energy storage options for sustainable energy systems.
(2013-08-01)Determination of the possible energy storage options for a specific source of energy requires a thorough analysis from the points of energy, exergy, and exergoeconomics. The main objective of this thesis is to investigate ... -
Investigation of energy storage options for thermal management in hybrid electric vehicles
(2013-01-01)Electric and hybrid electric vehicles could have a significant role in the sustainable transportation. Higher power density lead to extra heat generation and thermal runaway in the Li-ion cells. Therefore, a successful ... -
Investigation of factors that influence coloration in polycarbonate based compounded plastics
(2015-08-01)Consistently producing compounded plastics in the correct colour without making adjustments of the colour formulation or the processing conditions is very challenging for coloured plastics manufacturers. Conversely, the ... -
Investigation of new phase change material based thermal management systems for Li-ion batteries
(2017-01-01)In this thesis, a battery pack consisting of three A123 20Ah cells connected in series is tested with various cooling methods at different discharge rates. Four different coolant inlet temperatures are selected for the ... -
Investigation of novel ammonia production options using photoelectrochemical hydrogen
(2017-01-01)Hydrogen and ammonia are two of the most significant clean fuels, energy carriers and storage media in the near future. Production of these chemicals are desired to be environmentally friendly. Renewable energy, in particular ... -
Investigation of sustainable hydrogen production from steam biomass gasification
(2010-12-01)Hydrogen is a by-product of the gasification process and it is environmentally friendly with respect to pollution and emission issues when it is derived from a CO2-neutral resource such as biomass. It is an energy carrier ... -
Investigation of the ultrasonic based hydrogen production process: Sonohydrogen
(2021-04-01)The present work carries out various sets of numerical investigations to link the primary effect of the acoustic parameters with the secondary effect of developing a chemical reaction mechanism for water vapor dissociation ... -
Kinetics and transport phenomena in the chemical decomposition of copper oxychloride in the thermochemical Cu-CI Cycle
(2012-04-01)The thermochemical copper-chlorine (Cu-Cl) cycle for hydrogen production includes three chemical reactions of hydrolysis, decomposition and electrolysis. The decomposition of copper oxychloride establishes the high-temperature ... -
Leadership based multi-objective optimization with applications in energy systems.
(2013-12-01)Multi-objective optimization metaheuristics (MOMs) are powerful methods for solving complex optimization problems but can require a large number of function evaluations to find optimal solutions. Thus, an efficient ... -
Learning-based adaptive design for dynamic spectrum access in cognitive radio networks.
(2014-10-01)This thesis is concerned with dynamic spectrum access in cognitive radio networks. The main objective is designing online learning and access policies which maximize the total throughput of the secondary users in a ... -
Mass transfer and particle dissolution in liquid-gas and solid-liquid flows: Application to hydrogen production processes.
(2013-10-01)Many environmental problems are related to the production, transformation and use of energy. Some of the concerns include, but are not limited to, acid rain, ozone depletion and climate change. Therefore, “greener” ... -
Maximizing efficiency of solar energy harvesting systems supplying a microgrid using an embedded system
(2019-12-01)Due to the high initial capital cost of photovoltaic (PV) panels and their low conversion efficiency, it is imperative to operate the PV system at its maximum power point (MPP). In this context, the goal in this thesis is ... -
Mechanics of machining metal matrix composites: analytical modeling and finite element simulation
(2015-01-01)Metal matrix composites (MMCs) are commonly utilized materials in various industries, including applications in aerospace and automotive industries, due to their outstanding strength-to-weight ratio and wear resistance. ... -
Miniaturization of features in microfluidic paper-based analytical devices for user-friendly testing and diagnosis using small sample volumes
(2019-04-01)Microfluidic paper-based analytical devices (µPADs) are a promising platform for analytical testing, particularly for medical diagnosis. One of the main advantages of µPADs is the capacity for inexpensive, portable and ... -
Model based simulation of broaching operation: cutting mechanics, surface integrity, and process optimization
(2013-04-01)Machining operations are widely used to produce parts with different shapes and complicated profiles. As a machining operation, broaching is commonly used for the machining of a broad range of complex internal and external ... -
Modeling and analysis of metal cutting process using self-propelled rotary tools
(2021-02-01)Machining difficult-to-cut materials is still one of the challenges facing different industries such as aerospace, nuclear and automotive sectors. That’s mainly because of the excessive heat generated, which affects the ... -
Modeling and analysis of truck tire-terrain interaction
(2020-04-01)One of the key factors for improving the mobility and operating efficiency of trucks is the understanding of the tire-terrain interaction characteristics. Due to the broad range of terrains that trucks may operate over, ... -
Modeling and experimental investigation of renewable energy and ammonia-based systems for carbon capturing and useful outputs
(2022-04-01)This thesis work focuses on developing ammonia-based carbon capturing systems that produce useful chemical outputs to offset the energy penalty typically imposed by implementing a carbon capture retrofitting to a power ...