Browsing Faculty of Engineering & Applied Science by Title
Now showing items 381-400 of 619
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Investigation of electrochemical and material properties of TiO2 nanostructures generated by pulsed laser ablation
(2022-04-01)The most challenging feature of the supercapacitor is low energy density. The supercapacitor's low energy density can be improved by proposing new materials for electrodes, electrolytes, etc. This thesis presents a new ... -
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 integrated energy systems with carbon capturing and chemical looping units for hydrogen, methane and methanol production
(2023-11-01)This study investigates three multigeneration systems designed for hydrogen generation through chemical looping, incorporating an amine-based carbon dioxide capture subsystem. These systems consist of a solar tower heating ... -
Investigation of mechanical heat pump systems for heat upgrading applications
(2016-04-01)Three high temperature heat pump systems based on vapor compression cycles are introduced and examined. Four fluids (water, cyclohexane, biphenyl and mercury) are selected and analysed thermodynamically as prospective ... -
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 selective optical properties of Si/SiO2 nanostructures generated by pulsed laser ablation as-deposited and post-treated
(2020-05-01)Silicon and its derivatives like SiO2 are essential materials for industrial applications such as semiconductors, optoelectronics, and telecommunication. Optical properties of a large group of silicon/silica nanofibrous ... -
Investigation of signal shape effects on the gas film in spark-assisted chemical engraving
(2023-12-01)Spark-Assisted Chemical Engraving (SACE) is a promising method for machining glass micro-parts and devices. However, intricate control requirements linked to the gas film surrounding the tool present a significant challenge ... -
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 ... -
Investigation of thermal management options for robots
(2018-08-01)This thesis research studies the thermal challenges of robots and evaluates the potential thermal management options. In this regard, it aims to develop and analyze various thermal management options for robotic systems. ... -
Investigation of three integrated energy systems with desalination, heat storage, thermochemical cycles and heat upgrade
(2020-09-01)This thesis study proposes three different novel renewable energy-based multigeneration integrated systems with molten salt heat storage and desalination options where copper-chlorine (Cu-Cl) and magnesium-chlorine (Mg-Cl) ... -
Islanding detection in distribution system embedded with renewable-based distributed generation
(2012-12-01)Classical view of power system is characterized by a unidirectional power flow from centralized generation to consumers. Power system deregulation gave impetus to a modern view by introducing distributed generations (DGs) ... -
Joint channel pairing and power allocation optimization in two-way multichannel relaying.
(2014-08-01)We consider two-way amplify-and-forward relaying in a multichannel system with two end nodes and a single relay, using a two-slot multi-access broadcast (MABC) as well as time-division broadcast (TDBC) relaying strategies. ... -
Joint optimization of transmit beamforming and base station cache allocation in multi-cell C-RAN
(2021-11-01)Cloud radio access network (C-RAN) with wireless backhaul has been considered as a possible solution for small cell deployment. Limited capacity of wireless backhaul encourages people to equip the base stations (BSs) with ... -
Joint relay beamforming and transceiver processing in multiuser relay network
(2016-08-01)In this thesis, we focus on joint relay beamforming and transceiver processing in multiuser relay network. First of all, we consider the scenario in which multiple source-to-destination (S-D) pairs intend to communicate ... -
Joint uplink-downlink beamforming in multi-antenna relaying schemes
(2009-11-01)The thesis examines the problem of joint receive and transmit beamforming for a wireless network which consists of one relay node equipped with multiple antennas. The transmitter and the receiver are single antenna ... -
Jointly optimal pre- and post-channel equalization and distributed beamforming in asynchronous bi-directional relay networks
(2015-09-01)We consider an asynchronous two-way relay network, consisting of two transceivers and multiple relays, where due to the propagation delays of different transceiver-relay paths being different, inter-symbol- interference ...