RSS 1.0Mechanical & Manufacturing Eng (Theses and Dissertations)
Recent Submissions
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Feature Size Dependent Manufacturability Influences the Functional Properties of Ti-6Al-4V Micro-Strut Lattices Fabricated through Powder Bed Fusion
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)Powder bed fusion (PBF) additive manufacturing techniques have enabled the fabrication of geometrically complex porous metallic lattice structures. Applied to biomedical implants such lattices offer many advantages over ... -
Human Teleoperation of a Social Robot: Key Design Challenges
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)The use of robots outside of factories and industrial automation has been steadily growing in recent years. While the range of functional tasks that these systems can carry out has been steadily increasing, their ability ... -
Advanced numerical modeling and experimental validation of hard particles in cold spray additive manufacturing
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)This research aims to numerically model and experimentally verify hard non-melting or refractory particulate materials in cold spray additive manufacturing (CSAM). It primarily focuses on ceramics and metallic glasses, ... -
INVESTIGATION OF THE THERMOELECTRIC PROPERTIES OF PEDOT:PSS/Bi0.5Sb1.5Te3 COMPOSITES AND THE PRINTING OF FLEXIBLE THERMOELECTRIC GENERATORS
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)The increasing demand for sustainable power sources in wearable electronic devices has spurred the exploration of innovative energy harvesting technologies. In this context, flexible thermoelectric (TE) materials and ... -
Characterisation of the Flow and Heat Transfer Behaviour Associated with a Wall-Bounded Dual Jet Flow
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)The purpose of this investigation is to characterise the fluid flow and heat transfer behaviour of a dual jet comprising a wall jet, discharged immediately parallel to a solid boundary, flowing alongside a parallel ... -
Plate-type Acoustic Valve Resonator for, Low-frequency Sound Absorption
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)Plate-type acoustic metamaterials with deep-subwavelength thickness have generated considerable enthusiasm for addressing low-frequency noise. These metamaterials can be tailored to obtain high absorption efficiency by ... -
Engineering Innate Immunology in a Humanised, Functional, In Vitro Model of Healthy Myocardium
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)Cardiovascular disease stands as the leading cause of death globally, claiming approximately 19.05 million lives in 2020. On the contrary, the development of cardiovascular drugs is experiencing a decline, largely due to ... -
Computer approaches to total hip replacement evaluation just prior to operation
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 1999)The surgical operation of total hip replacement (THR) is, after 30 years, regarded as a successful medical procedure. The average life of an artificial hip has, however, remained at about 15 years for more than a decade, ... -
Wide Range Performance Measurement and Low-Fidelity Modelling of Turbocharger Turbines for Optimising Powertrain Efficiency
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)Turbochargers have been widely used for many years and have made remarkable contributions in reducing the vehicle emissions by reducing the engine size while maintaining the same power output. They are also needed in designs ... -
Application of the Theory of Critical Distances to As-Built Selective Laser Melted Ti-6Al-4V
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)Metal additive manufacturing (AM) techniques such as selective laser melting (SLM) have become an increasingly present feature of new and novel manufacturing methods in recent years. This is owed to further technological ... -
Solid-state Deposition of Bulk Metallic Glass and High-entropy Alloy via Cold Spray
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)Metallic glasses (MGs) and high-entropy alloys (HEAs) are both emerging multi-component alloys with unique microstructures and extraordinary properties. Cold spray, as a burgeoning solid-state material deposition process, ... -
Analysing the effects of 3D printing defects and surface roughness on the properties of acoustic materials
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)The principal aim of the research reported in this thesis was to investigate the influence of additive manufacturing on the acoustic performance of 3D printed periodic materials. First, a benchmark material design was ... -
AN INVESTIGATION OF HEAT TRANSFER ENHANCEMENT DUE TO PULSED FLOW IN MINICHANNELS
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)The development of current and next generation high performance electronic devices has led to smaller components in more densely packed spaces. The increasing power levels has resulted in ever-increasing heat flux densities ... -
Measuring physical function in Amyotrophic Lateral Sclerosis: Novel solutions to an old problem
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)Sensitive, objective outcome measures are essential for tracking clinical severity in neurodegenerative conditions such as Amyotrophic Lateral Sclerosis or Parkinson’s Disease. The current ‘gold standard’ multi-item rating ... -
Control of a Dynamic Wheeled-legged Robot Powered by Electric-Pneumatic Actuators
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)The implementation of wheels on the end distal of a mobile robot's leg is a design approach that is gaining increasing popularity as it enables improved energy efficiency, stability and adaptive locomotion strategies in ... -
A 3D printed acoustic metamaterial liner to reduce low-frequency aeroengine noise
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)As the level of air travel continues to increase, so too does the demand for better noise-reduction technologies for aircraft. The environmental noise produced by aircraft has been shown to have a significant adverse effect ... -
3D Bioprinting Strategies To Engineer Structurally Organised Meniscal Tissue Grafts
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)Lesions to the meniscus are common sports-related injuries that can lead to articular cartilage degeneration and osteoarthritis if left untreated. While surgical repair procedures and meniscal substitutes offer better ... -
Engineering innate immunology in cardiovascular disease models and regenerative medicine
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)Heart failure is the leading cause of death worldwide with atherosclerosis and myocardial infarction remaining prominent causes. It is now widely accepted that the inflammatory response holds a key role in advancing both ... -
Investigation of Concepts for Integrated Diffuser and Volute Systems for Packaging and Performance
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)Large scale, high pressure ratio (PR) centrifugal compressors are commonly made up of a radial impeller with a vaned diffuser. In research to date, the majority of research and design has focused on extending the operating ... -
From "Bench to Bedside": In-Silico Modelling to Inform the Assessment of Intervertebral Disc Cell-Based Therapies
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)Lower back pain is a major global socio-economic concern, with the primary cause believed to be degeneration of the intervertebral disc (IVD). While the spine field is filled with a growing body of basic research and many ...
