Browsing Faculty of Engineering & Applied Science by Title
Now showing items 310-329 of 619
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Experimental investigation of an R134a based organic Rankine cycle
(2011-08-01)This thesis research aims to develop an improved, efficient, low-capacity heat engine, running on an Organic Rankine Cycle (ORC) to generate power. The ORC is driven by low or moderate temperature heat sources, such as; ... -
Experimental investigation of dark fermentation of poplar leaves for biohydrogen production
(2023-08-01)Biohydrogen, a sustainable and environmentally friendly energy alternative, is pivotal in transitioning to a more energy-efficient future. Thesis research explores the variations of H2 hydrogen production potential of ... -
Experimental investigation of hydrogen production from ammonia decomposition
(2011-08-01)This thesis examines the production of hydrogen from ammonia in a continuous flow, packed bed membrane reactor. The experimental study examines the effects of operating temperature, pressure, and residence time on hydrogen ... -
Experimental investigation of new coating methods for 3D-printed cathodes for hydrogen production
(2023-08-01)This thesis presents a novel approach for preparing electrodes for hydrogen evolution reaction. A new approach where the electrolysis cathodes are 3D-printed and coated for alkaline water electrolysis. Copper, iron, and ... -
Experimental investigation of novel proton exchange membrane fuel cell and battery integrated system
(2023-08-01)In this thesis study, a PEM fuel cell and battery integrated system is developed. The performance assessments of the PEM fuel cell stack are performed through the polarization curve, energy efficiency, exergy efficiency, ... -
Experimental investigation of photocatalytic hydrogen production with boron-doped TiO2 and multi-walled carbon nanotubes-TiO2
(2019-04-01)This thesis investigates photocatalytic hydrogen production by performing an experimental study using a small-scale photochemical cell which splits water to hydrogen and oxygen by UV light irradiated boron-doped TiO2 and ... -
Experimental investigation of scroll based organic Rankine systems
(2011-04-01)In this thesis, an experimental research is conducted on scroll-based Organic Rankine Cycle (ORC) focusing on the expansion process. An important feature of the ORC is the ability to utilize low or moderate temperature ... -
Experimental modelling of surface roughness and dynamic friction coefficient of diamond like carbon coated shafts
(2013-12-01)Companies that coat their products with DLC often have strict surface roughness and friction coefficient goals. This research investigates the surface roughness and friction coefficient properties of uncoated and DLC coated ... -
Experimental study of applying grooves on semi-tubular blank sheet metal using incremental sheet forming.
(2013-08-01)Incremental sheet forming (ISF) was a flexible sheet metal forming process which utilized a variety of forming tools, materials, and dies. ISF was implemented to develop a series of column covers which visually replicated ... -
Experimental study of turbulent boundary layer flows over forward facing steps with different surface conditions.
(2014-09-01)This thesis is a fundamental study that was conducted experimentally to investigate the effects of different surface types on turbulent flows over forward facing steps. A particle image velocimetry technique was employed ... -
Fast algorithm for joint unicast and multicast beamforming in large-scale systems
(2021-09-01)We consider a joint unicast and multi-group multicast beamforming problem for massive multiple-input multiple-output (MIMO) system with a large number of unicast users. We propose an alternating direction method of multipliers ... -
Fault detection design for three-phase voltage source inverter in power train applications
(2023-12-01)This thesis is dedicated to an extensive exploration of fault detection methods tailored specifically for three-phase inverters, critical components within the propulsion systems of Electric Vehicles (EVs) and drive systems ... -
Fault tolerant behavior of advanced control schemes of induction machine drives
(2016-01-01)Power electronics based variable-speed drives offer energy saving solutions, providing precise control and quick response time. They are required for sensitive process control in industrial applications and other emerging ... -
Fault tolerant control of active trailer steering systems for multi-trailer articulated heavy vehicles
(2017-07-01)Faults in a controlled plant often deteriorate the system performance. In severe cases, faults pose a risk of component damage, plant shutdown or even personnel safety. Fault Tolerant Control (FTC) aims at preventing the ... -
Filtering antennas based on rectangular dielectric resonators
(2023-12-01)Filters and antennas are essential components in communication systems. Being able to simultaneously realize filter and radiation functions, filtering antennas have attracted much attention due to their compactness and low ... -
Flow characteristics and acoustic resonance excitation of finned cylinders in cross-flow
(2022-12-01)The flow characteristics and acoustic resonance excitation of bare and finned cylinders of different arrangements in cross-flow were experimentally investigated. In the design phase of finned tube heat exchangers, finned ... -
Flow-sound interaction mechanism of a single finned cylinder in cross-flow
(2017-04-01)The flow-sound interaction mechanism of a single finned cylinder in cross-flow is experimentally investigated and compared to that resulting from an equivalent bare cylinder. The flow field changes that result from the ... -
Flow-sound interaction mechanism of a single spirally finned cylinder in cross-flow
(2017-01-01)Over the years, some effort has been expended in the improvement of heat transfer performance in tubular heat exchangers. This can be achieved by adding different types of fins to the outer tube surface, effectively ... -
Fluid transport and entropy production in electrochemical and microchannel droplet flows
(2012-04-01)The growth of energy demand in the world requires addressing the increasing power requirements of industrial and residential consumers. Optimizing the design of new and existing large power producing systems can efficiently ... -
Forensic analysis of unallocated space
(2011-06-01)Computer forensics has become an important technology in providing evidence in investigations of computer misuse, attacks against computer systems and more traditional crimes like money laundering and fraud where digital ...