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Browsing Mechanical, Aeronautical & Biomedical Engineering by Title

Browsing Mechanical, Aeronautical & Biomedical Engineering by Title

Now showing items 45-64 of 121

Identification of rupture locations in patient-specific abdominal aortic aneurysms using experimental and computational techniques

Doyle, Barry J.; Cloonan, Aidan J.; Walsh, Michael T.; Vorp, David A.; McGloughlin, Timothy M. (Elsevier Science, 2010)

In the event of abdominal aortic aneurysm (AAA) rupture, the outcome is often death. This paper aims to experimentally identify the rupture locations of in vitro AAA models and validate these rupture sites using finite ...
Immersion condensation on oil-infused heterogeneous surfaces for enhanced heat transfer

Xiao, Rong; Milikovic, Nenad; Enright, Ryan; Wang, Evelyn N (Nature Publishing Group, 2013)

Enhancing condensation heat transfer is important for broad applications from power generation to water harvesting systems. Significant efforts have focused on easy removal of the condensate, yet the other desired properties ...
Improved assessment and treatment of abdominal aortic aneurysms: the use of 3D reconstructions as a surgical guidance tool in endovascular repair.

Doyle, Barry J.; Grace, Pierce A.; Kavanagh, Eamon G; Burke, Paul E.; Wallis, Fintan; Walsh, Michael T.; McGloughlin, Timothy M. (Springer, 2009)

BACKGROUND: Endovascular repair is fast becoming the treatment of choice for abdominal aortic aneurysms in anatomically suitable patients. 3D reconstructions not only aid conventional 2D measurements but also allow further ...
Improving the performance of out-of-autoclave composite laminates using an interlaminar toughening technique

Nash, Niamh (University of Limerick, 2016)

The increasing demand for composite materials has meant that there is a need to develop out-of-autoclave (OOA) manufacturing processes that can produce cost-effective high-quality components. Autoclaves cannot meet the ...
Interim report on development of progressive failure model for composite bolted joints based on stiffness reduction scheme

McCarthy, Michael A; Padhi, G.S; McCarthy, Conor T (University of Limerick, 2003)

The project “A Study of Damage Initiation and Growth in Composite Bolted Joints” is funded under the Basic Research Grants Scheme 2002, jointly administered by Enterprise Ireland and the Irish Research Council for Science, ...
Intramural stresses at the distal graft/artery junction following femoral artery bypass surgery

O'Donnell, Michael R. (University of Limerick, 2010)

Intimal hyperplasia development in the downstream anastomosis of a peripheral bypass grafts has been the subject of much investigation due to its site specific focal development at specific sites within the junction. ...
An investigation into the behaviour of thick pin-loaded joints under a bearing load

Stritch, Thomas Patrick (University of Limerick, 2014)

The behaviour of a thick pin-loaded lug was investigated when subjected to a bearing load using the embedded strain gauge technique and finite element analysis. The embedded strain gauge technique was extended to the ...
An investigation into the effects of mechanical loading patterns from everyday activities on long term stability after cementless hip replacement surgery.

O'Reilly, David S. (University of Limerick, 2011)

The number of Total Hip Replacement (THR) surgeries carried out per year is increasing year on year as people live longer and partake in a more active lifestyle. Other factors such as obesity and weight problems are also ...
Investigation into three dimensional ultrasound for generating vascular reconstructions suitable for diagnostic technique development

Gaughan, Sarah (University of Limerick, 2014)

A three dimensional ultrasound (3DUS) system was developed with the aim of generating three dimensional (3D) vascular reconstructions. The system was required to be compatible with both a linear and a curvilinear transducer. ...
Investigation of first generation biofuels in diesel engines.

Madden, Orla (University of Limerick, 2011)

In an AC1W IDI Lister Petter diesel engine, ignition delay reduced exponentially with an increase in engine speed for hempseed oil (HSO), camelina seed oil (CSO) and rapeseed oil (RSO). The polyunsaturated fuels HSO ...
Investigation of microscale damage processes near adhesive-composite interfaces

O'Dwyer, Donal John (University of Limerick, 2013)

The increasing use of composite materials in the aerospace industry has necessitated significant advancements in the prediction of damage in composite structures. Adhesive joints have recently become more widespread, as ...
An investigation of the fabrication and characterisation of nanocomposite thermal interface materials

Munari, Alessio (University of Limerick, 2011)

Contemporary electronic devices such as microprocessors feature high component-level heat-fluxes and tight temperature constraints. Thermal interface materials (TIMs) are a critical element in the path for heat transfer ...
Measurement of strain induced responses at femoral artery bypass graft junctions

Campbell, Tríona (University of Limerick, 2015)

Femoral artery bypass grafts have a predilection for failure at the distal anastomosis due to restenosis, within a short period of time, the cause of which has been attributed to altered haemodynamics. This study proposes ...
Micromechanical modelling of damage and failure in fibre reinforced composites under loading in the transverse plane

Vaughan, Ted Joseph (University of Limerick, 2011)

Fibre reinforced composites exhibit a gradual damage accumulation to failure, with a multitude of hierarchical dissipative mechanisms responsible for the deterioration of mechanical properties. In order to predict failure ...
Microscale deformation of a tempered martensite ferritic steel:Modelling and experimental study of grain and sub-grain interactions

Golden, Brian J; Li, Dong-Feng; Guo, Yina; Tiernan, Peter; Leen, Sean B; O'Dowd, Noel P. (Elsevier, 2015)

In this paper, a nite-element modelling framework is presented with explicit representation of polycrystalline microstructure for a tempered martensite ferritic steel. A miniature notched specimen was manufactured from ...
Mitigation of biological adhesion to aircraft leading edge surfaces

Kok, Mariana (University of Limerick, 2014)

Contamination caused by insects on aircraft leading edge surfaces can result in premature transition of the boundary layer, leading to an increase in skin friction drag and fuel consumption. Consequently, the use of novel ...
Modelling the relationships between physical risk factors and operator performance in short cycle

Finneran, Aoife (University of Limerick, Department of Manufacturing & Operations Engineering, 2010)

Physical risk factors and their combinations are linked to the causation of Musculo Skeletal Disorders (MSDs) which has implications for on-site operator productivity. Current risk assessment methods have no element to ...
Multiscale characterisation of damage in laminated composite materials under bending loads

Mortell, Daniel J (University of Limerick, 2016)

In-situ micro-mechanical testing of small composite laminates has been carried out under SEM where video recordings allowed examination of the evolution of damage processes at the microscale. Samples are tested under three- ...
New approaches to abdominal aortic aneurysm rupture risk assessment - engineering insights with clinical gain

McGloughlin, Timothy M.; Doyle, Barry J. (Lippincott Williams & Wilkins, 2010)

Abdominal aortic aneurysm (AAA) rupture remains a significant cause of death in the developed world. Current treatment approaches rely heavily on the size of the aneurysm to decide on the most appropriate time for clinical ...
Noninvasive methods of characterising local regional variations in aortic tissue to advance aneurysm rupture risk prediction

Tierney, Áine P. (University of Limerick, 2012)

Abdominal Aortic Aneurysms (AAAs) is a permanent and irreversible dilation of the infrarenal section of the aorta. AAA’s are generally asymptomatic, until rupture of the AAA wall occurs. Rupture can lead to large abdominal ...

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