Mechanical, Manufacturing & Biomedical Eng: Recent submissions
Now showing items 41-60 of 952
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Feature Size Specific Processing Parameters for Additively Manufactured Ti-6al-4v Micro-Strut Lattices
(2024)The material properties of individual micro-struts are critical to the overall success of lattice structures. These properties can be significantly compromised by defects inherited from powder bed fusion processes. Among ... -
Chemical etching of Ti-6Al-4V biomaterials fabricated by selective laser melting enhances mesenchymal stromal cell mineralization
(2024)Porous titanium scaffolds fabricated by powder bed fusion additive manufacturing techniques have been widely adopted for orthopedic and bone tissue engineering applications. Despite the many advantages of this approach, ... -
Rapidly Degrading Hydrogels to Support Biofabrication and 3D Bioprinting Using Cartilage Microtissues
(2024)In recent years, there has been increased interest in the use of cellular spheroids, microtissues, and organoids as biological building blocks to engineer functional tissues and organs. Such microtissues are typically ... -
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 ... -
CHARACTERISING THE ROLE OF FLEET RENEWAL ON THE PATHWAY TO 2050: A EUROPEAN AIRLINE CASE STUDY
(2024)This work developed a simulation tool that incorporates both airline operations and aircraft specific capabilities when investigating the environmental and economic sustainability pathways for short haul aviation. A ... -
EVALUATION AND SIMULATION OF PARALLEL HYBRID ELECTRIC PROPULSION WITH REAL FLIGHT DATA
(2024)This study aims to explore the feasibility and limitations of hybrid electric aircraft within the short-haul commer- cial aviation industry. It investigates a number of parallel hybrid electric propulsion models varying ... -
Enhancing the oxygen evolution reaction activity of CuCo based hydroxides with V2CTx MXene
(2024)The oxygen evolution reaction (OER) is a key reaction in the production of green hydrogen by water electrolysis. In alkaline media, the current state of the art catalysts used for the OER are based on non- noble metal ... -
The structural, mechanical, and biological variation of silica bioglasses obtained by different sintering temperatures.
(2024)The challenges of forming a crystalline phase within 45S5 Bioglass® (45% SiO 2-24.5% CaO-24.5% Na 2O-6% P2 O5 mol%) and its subsequent influence on the bioactivity of the bioglass were studied in this research. Bioglasses ... -
Muticomponent Melt-Electrowritten Vascular Graft to Mimic and Guide Regeneration of Small Diameter Blood Vessels
(2024)Cardiovascular disease is a leading cause of morbidity. Current treatments include vessel substitution using autologous/synthetic vascular grafts, but these commonly fail in small diameter applications, largely due to ... -
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 ... -
Liquid Hydrogen and Synthetic Sustainable Aviation Fuel: A European Airline Case Study
(2024)There is much debate surrounding Liquid Hydrogen (LH2) and Sustainable Aviation Fuel (SAF) across the aviation industry in terms of future fuel applications for decarbonisation. This study aims to quantify the real-world ... -
The Effect of Chemical Kinetic Mechanisms on the Flame Transfer Function
(2024)This paper reports the investigation of the effect of chemical kinetic mechanisms on the thermoacoustic behaviour of a premixed combustor test rig. This was done by exploring the flame transfer function (FTF) of three ... -
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 jet ... -
Optimization and evaluation of oxygen-plasma-modified, aligned, poly (Є-caprolactone) and silk fibroin nanofibrous scaffold for corneal stromal regeneration
(2023)The shortage of human donor corneas for transplantation necessitates the exploration of tissue engineering approaches to develop corneal substitutes. However, these substitutes must possess the necessary strength, transparency, ... -
Development of a novel powder sheets printing process towards the next generation of additive manufacturing: the role of laser defocusing
(2024)To address safety and labour-intensive challenges in laser powder bed fusion, a novel Metal Additive Manufacturing using Powder Sheets (MAPS) method is employed. By examining the formation mechanism of the melt pool, we ... -
Evaluating an Additive Manufactured Acoustic Metamaterial Using the Advanced Noise Control Fan
(American Institute of Aeronautics and Astronautics (AIAA), 2024)This paper examines the performance of a 3D printed acoustic metamaterial as an acoustic treatment for aircraft engine nacelles in the Advanced Noise Control Fan. As the level of air travel continues to increase, so too ... -
INSIGHTS INTO TURBOCHARGER CENTRIFUGAL COMPRESSOR STABILITY USING HIGH-FIDELITY CFD AND A NOVEL IMPELLER DIFFUSION FACTOR
(2024)Turbocharger technologies are widely applied in the modern automotive industry to meet increasingly stringent carbon emission standards. To support the continuous enhancement of these tactics, delivering improvement ... -
An experimental investigation of liquid immersion cooling of a four cell lithium-ion battery module
(2024)The thermal management of a lithium-ion battery module subjected to direct contact liquid immersion cooling conditions is experimentally investigated in this study. Four 2.5 Ah 26650 LiFePO4 cylindrical cells in a ...
