Mechanical, Manufacturing & Biomedical Eng: Recent submissions
Now showing items 21-40 of 952
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Aortic valve leaflet assessment to inform novel bioinspired materials: Understanding the impact of collagen fibres on the tissue's mechanicam behaviour
(2025)Aortic stenosis is a prevalent disease that is treated with either mechanical or bioprosthetic valve replacement devices. However, these implants can experience problems with either functionality in the case of mechanical ... -
Plunge Stage Force Reduction in Friction Stir Spot Welding of AA2024-T3 through Implementation of Assistive-Auxiliary Energy
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)The increasing demand for lightweight, high-strength structures necessitates materials with superior strength-to-weight ratios and advanced technologies like Friction StirWelding (FSW). Since its inception in 1991, FSW has ... -
Optimising for Sustainability as an Objective Function Within Airline Fleet Scheduling: An Ireland-EU Mobility 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 of the GEKO Turbulence Model for Whole Aircraft Drag Prediction
(2025)The aim of this study was to evaluate the Generalized k-ω (GEKO) turbulence model’s ability to be calibrated to improve the accuracy of the resolved drag polar for a whole aircraft geometry. The GEKO turbulence model ... -
Advanced Propulsion System Evaluation for Real-World Short-Haul Operations: Open Rotor vs. UHBPR Turbofan
(2024)This study aims to evaluate the real-world benefits of two advanced propulsion system concepts through enhanced coupling of aircraft conceptual design and flight operations. Baseline aircraft models of the B737-NG and ... -
Numerical investigation of Reynolds number and pitch ratio effect on lock-in ability of an aeroacoustic field in ducted flows
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)Tube arrays in ducted flow often experience aeroacoustic resonance. This phenomena is initiated through a mechanism of lock-in during which, the flow induced acoustic field modifies the frequency of vortex shedding not ... -
The development of a computational model of an osteochondral defect
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)Osteochondral defects arise in the knee after structural damage penetrates through the hyaline cartilage and into the underlying subchondral bone. The current surgical options used to treat this condition have limited ... -
Towards stem cell regeneration of the nucleus pulposus of the invertebral disc
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)Low back pain resulting from intervertebral disc (IVD) degeneration is a significant epidemiological problem and economic burden worldwide. IVD degeneration initiates within the nucleus pulposus (NP), a highly hydrated ... -
Evaluation of an Additive-Manufactured Acoustic Metamaterial as an Nacelle Liner using the Active Noise Control Fan
(American Institute of Aeronautics and Astronautics, 2023)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 ... -
Broadband Duct Noise Reduction Using Multi-chamber Micro-perforated Panel Absorbers
(American Institute of Aeronautics and Astronautics, 2024)This study explores the efficacy of Multi-chamber Micro-perforated Panel Absorbers (MC- MPPAs), a newly identified metamaterial, as a liner for attenuating noise within duct walls. The project aimed to develop MC-MPPA ... -
Air Curtains as Flow Control Low Noise Technologies for Landing Gear Noise Reduction
(American Institute of Aeronautics and Astronautics, 2024)This paper examines the use of different air curtain nozzles to reduce the aerodynamic noise radiated from a modified LAGOON landing gear, as tested in the EU funded H2020 collaborative research project: INVENTOR, ... -
Low-frequency Broadband Noise Absorption of Multi-chamber Micro-perforated Pane Absorbers in Normal and Grazing Acoustic Incidence
(American Institute of Aeronautics and Astronautics, 2023)This paper presents a significant advancement in micro-perforated panel absorber technologies. Two distinct types of sub-wavelength multi-chamber micro-perforated panel absorbers (MC-MPPA) for low-frequency broadband noise ... -
Development of a novel stem cell approach for corneal tissue engineering
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)Corneal transplantation is frequently used to restore vision following corneal damage or disease but is limited by the availability of suitable donor corneas. Tissue engineering offers a novel answer to this problem through ... -
Optimization of vehicle front shape for pedestrian protection
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2017)The design of a vehicle front has a significant influence on pedestrian injury risk in the event of a vehicle collision. Although significant progress has been made in understanding which features of vehicle design are ... -
Bi-stable flow in tube arrays
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)An experimental study of bi-stable flow has been performed. Three tube array geometries were used; two normal triangular tube arrays with pitch-to-diameter ratios (P/d) of 1.32 and 1.58 and a parallel triangular tube array ... -
Electrospray cooling and droplet evaporation
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)Spray cooling utilises liquid-gas phase transition for highly efficient thermal dissipation. Electrospraying is a method of fluid atomisation by electrostatic means and has applications in colloidal propulsion, mass ... -
Integrating non-viral gene therapy and 3D bioprinting for bone, cartilage and osteochondral tissue engineering
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2017)The repair of osteochondral defects, affecting both the articular cartilage and the underlying subchondral bone, is key for the effective recovery of joint homeostasis and the prevention of further cartilage degeneration ... -
Probing the role of joint specific environmental cues in guiding stem cell fate
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)Due to their relative ease of isolation, ability to proliferate extensively in vitro and to differentiate along multiple lineage pathways, mesenchymal stem cells / multipotent stromal cells (MSCs) are a promising cell type ... -
Vortex-Induced Vibrations of Bluff Decks on Cable-Stayed Bridges Using Computational Fluid Dynamics
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)For long and flexible bridges, dynamic wind loading is an important aspect of the design which, if not adequately considered, can impact not just the comfort of the bridge users but also their safety. The standards dealing ... -
Liquid Immersion Thermal Management of Lithium-ion Batteries
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)The imperative requirement for the transportation sector to reduce its greenhouse gas emissions has placed greater importance on the more widespread adoption of electric vehicles. The extension of their driving range and ...
