Browsing Faculty of Engineering & Applied Science by Title
Now showing items 244-263 of 619
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Development of polymeric nano-composite fiber based structures for acoustics and filtration applications
(2021-08-01)Electrospinning lab-scale experimental set-up was developed for manufacturing polymeric nanofiber composites for acoustics and filtration applications. In this study, nanofiber membranes were fabricated using two types of ... -
Development of thermoplastic foams with heterogeneous cellular structures for acoustic applications
(2016-08-01)Manufacture of heterogeneous thermoplastic foams is of great interest to damp low frequency noise in transportation and building industries. Most of the fabrication methods reported either use cumbersome batch processes ... -
Development of truck tire-terrain finite element analysis models.
(2013-12-01)Heavy vehicles require tires which can withstand extreme loads while maintaining control, delivering performance and minimizing fuel consumption, particularly on soft soils. Recent advances in finite element analysis and ... -
Development of waste management systems: applications of Durham Region
(2021-08-01)This thesis aims to reduce environmental impacts and increase overall efficiencies of domestic waste management systems by proposing case studies for Durham Region. Case study 1 integrates an anaerobic digestion facility ... -
Development, analysis and life cycle assessment of integrated systems for hydrogen production based on the copper-chlorine (Cu-Cl) cycle
(2013-08-01)The energy carrier hydrogen is expected to help solve many energy challenges we are facing today. Thermochemical water splitting using a Cu-Cl cycle, linked with renewable energy sources and/or the Generation IV nuclear ... -
Development, analysis and performance assessment of net zero energy house systems.
(2014-08-01)Net zero energy buildings have captured the attention of many researchers and governments due to high energy consumption by traditional buildings. The design stage of a net zero energy house is the most crucial and cost ... -
Development, optimization and simulation of hybrid electric heavy duty truck with self-propelled trailer.
(2014-11-01)The hybrid electric drivetrain has significant ability to reduce fuel consumption and increase the efficiency. The application of this type of drivetrain has been investigated for different vehicle models. The hybridization ... -
A directional preference ETX measure for the collection tree protocol in mobile sensor networks
(2018-01-01)There has been a growing interest in Wireless Sensor Networks (WSN) that utilizes mobile nodes for various purposes. These mobile wireless sensor networks tend to suffer from constant link breakages mainly caused by connected ... -
Distributed policy-based management framework for wireless sensor networks.
(2014-06-01)Policy-Based Management Systems (PBMS) are becoming a critical component of any information technology environment, due to their ability to abstract hardware complexity from their users. Policy-based systems exist in such ... -
Dynamic flowgraph methodology for reliability modelling of networked control systems: with application to a nuclear-based hydrogen production plant
(2009-12-01)The use of communication networks in digital control systems introduces stability and reliability concerns. Standard reliability and safety assessment methods need further modification to accommodate the issue in the ... -
Dynamic fuzzy reliability and safety assessment of passive safety systems in small modular reactors
(2023-04-01)Small Modular Reactors (SMRs) have garnered significant interest in recent years, and they may play an essential role in the future of energy supply and power generation. One major advantage associated with SMRs is their ... -
Early detection of cyber-physical attacks in electric vehicles fast charging stations using machine learning
(2021-08-01)In smart grids, the concept of “vehicle-to-grid” allows the electric vehicles to export power to the grid to support the electric utilities in the power distribution system’s operation. The implementation of such a concept ... -
Effect of cutting tool microgeometry when milling hardened steels, a finite element simulation and surface integrity analysis
(2021-01-01)This research work presents a 3D finite element model for the milling of hardened steels. The model was developed using ABAQUS/Explicit software and the Lagrangian approach was utilized. Experimental milling tests were ... -
Effect of diameter ratios on the flow-sound interaction of the straight circular finned cylinders
(2020-01-01)Finned tubes that are widely used in heat exchangers could be susceptible to the flow-excited acoustic resonance that generates intense pressure fluctuations, which may lead to premature fatigue failure of the tubes. This ... -
Effect of self-excited acoustic perturbations on flow characteristics around rectangular cylinders with varied geometrical aspects
(2023-08-01)This study explores the effects of aspect ratio, edge geometry and incidence angles on the dynamic lift force, wake behaviors, and the susceptibility of such geometrical aspects to self-excited acoustic resonance in ... -
Effective design of multiplexing network for applications in communications satellites
(2011-07-01)Microwave multiplexing networks are widely used in satellite communication systems. Their performances, such as the insertion loss and rejection between channels, are extremely critical. This research aims at effective ... -
Effective modeling of advanced filters and multiplexing networks
(2019-06-01)Microwave filters and multiplexers are widely used in all types of electronic systems. This research focuses on advanced filters and multiplexers for applications in communication satellites with stringent requirements and ... -
Effects of blade configuration on flow distribution and power output of a zephyr vertical axis wind turbine.
(2008-07-01)Worldwide interest in renewable energy systems has increased dramatically, due to environmental concerns like climate change and other factors. Wind power is a major source of sustainable energy, and can be harvested using ... -
Effects of the geometric modifications on the shear layer excitation source in co-axial side branches
(2023-08-01)This comprehensive study delves into the interaction between shear layer oscillations and the acoustic field within co-axial cavities, spotlighting the efficacy of the sound source model as a reliable semi-empirical modeling ... -
Efficient design of reconfigurable intelligent surface assisted multi-group multicast beamforming
(2023-09-01)This thesis considers a multi-group multicasting scenario facilitated by a reconfigurable intelligent surface (RIS). We propose low-complexity scalable algorithms for the joint design of the base station (BS) multicast ...