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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 ...
Detector positioning in a field-deployable limited-angle gamma ray emission tomography system
(2023-08-01)
Imaging techniques have been part of the medical and industrial fields for more than a century due to their simple use in the inspection of internal parameters without sample damage. These methods take advantage of 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 ...
Development and validation of scaled electric combat vehicle virtual model
(2023-11-01)
This research focuses on an 8x8 scaled electric combat vehicle (SECV) and aims to create a virtual model made of the same vehicle on a vehicle dynamics simulation software using parameters from the actual vehicle. In the ...
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 ...
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 ...
A hybrid battery cell voltage equalizer considering thermal behavior and capacity fade characteristics
(2023-08-01)
The thesis focuses on developing a robust, high-fidelity lithium-ion battery model adaptive to changes in operating temperature, aiming for accurate estimation of state of health (SOH). The thesis proposes two novel methods ...
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, ...
An investigation into Manganese(2+) interferences and retrospective dose assessment of shelled species using EPR spectroscopy
(2023-05-01)
High intensity Mn²⁺ peaks in calcified tissues of shells are known to impact the lower dose detection limit in retrospective electron paramagnetic resonance (EPR) studies. This thesis investigates the factors causing Mn²⁺ ...
Design of a residential air source heat pump for extremely cold climates
(2023-05-01)
Air source heat pumps are energy efficient systems suitable for space heating applications, however, their performance drastically degrades in low ambient temperatures. An innovative design is proposed in this thesis that ...