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Now showing items 180-199 of 419

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 ...
The impact of Brexit on cross-border trade by the construction sector in Ireland: an exploratory study

Brooks, Tara; Ewuga, Duga; Scott, Lloyd; Spillane, John P. (2018)

Cross-border co-operation can foster learning and contribute positively to business performance and social cohesion. This paper considers construction firms' economic motivation for co-operation around the Ireland - ...
Impact of ergothioneine, hercynine, and histidine on oxidative degradation of hyaluronan and wound Healing

Valachova, Katarina; Svik, Karol; Biro, Csaba; Collins, Maurice N.; Jurcik, Rastislav; Ondruska, Lubomir; Soltes, Ladislav (MDPI, 2021)

A high-molecular weight hyaluronan is oxidatively degraded by Cu(II) ions and ascorbate—the so called Weissberger biogenic oxidative system—which is one of the most potent generators of reactive oxygen species, namely •OH ...
Impact of fluid shear on particle size distribution of batch crystallization processes in stirred vessels

Hogan, Brian (University of Limerick, 2019)

Crystallization is a puriification process during which molecules of a crystal compound bond together arranging themselves in a compound specific orderly lattice structure in which foreign molecules known as impurities ...
The impact of the recent economic recession on the NEC contract in Northern Ireland: a preliminary study

Brooks, Tara; Spillane, John P. (ARCOM: Association of Researchers in Construction Management, 2015)

Construction Industry was disproportionately affected by the recent economic recession. During this period, use of the New Engineering Contract (NEC) has proliferated in the public sector, however no study has been ...
Impacts of zeolite, alum and polyaluminum chloride amendments mixed with agricultural wastes on soil column leachate, and CO2 and CH4 emissions

Murnane, John G.; Fenton, O.; Healy, M.G. (Elsevier, 2018)

This study aimed to quantify leaching losses of nitrogen (N), phosphorus (P) and carbon (C), as well as carbon dioxide (CO2) and methane (CH4) emissions from stored slurry, and from packed soil columns surface applied ...
Implementing reflective writing in a problem-based learning civil engineering programme

Cosgrove, Tom; Slattery, Darina M. (McMaster University Engineering, 2014)

Some issues of current concern in engineering education are described. The theory, rationale and implementation of reflective practice in educational settings are briefly reviewed. The use of reflective writing in ...
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 ...
The in vitro inertial positions and viability of cells in suspension under different in vivo flow conditions

Connolly, Sinéad Á.; McGourty, Kieran Denis; Newport, David (Nature Research, 2020)

The influence of Poiseuille flow on cell viability has applications in the areas of cancer metastasis, lab-on-a-chip devices and flow cytometry. Indeed, retaining cell viability is important in the emerging field of cell ...
In-line variable spreading of carbonfibre/thermoplastic pre-preg tapes for application in automatic tape placement

Clancy, Gearóid J.; Peeters, Daniël; O'Higgins, Ronan M.; Weaver, Paul M. (Elsevier, 2020)

This study investigates a device for in-line continuous spreading of carbon fibre/thermoplastic pre-preg tape for potential application in the Laser-Assisted Automatic Tape Placement (LATP) laminate manufacturing process.The ...
In-situ surface and interface study of atomic oxygen modified carbon containing porous low-κ dielectric films for barrier layer applications

Bogan, J.; Lundy, Ross; McCoy, A.P.; O'Connor, R.; Byrne, C.; Walsh, L.; Casey, P.; Hughes, G. (AIP Publishing, 2016)

The surface treatment of ultralow-k dielectric layers by exposure to atomic oxygen is presented as a potential mechanism to modify the chemical composition of the dielectric surface to facilitate copper diffusion barrier ...
Indian and Chinese aviation industry: the EASA framework option

Kourousis, Kyriakos I.; Comer, Anthony J. (Emerald Publishing Group Limited, 2018)

Purpose This viewpoint aims to increase the awareness on the demand faced by the technical sector of the Indian and Chinese aviation industry and how this can be met by the adoption of the European Aviation Safety Agency ...
Influence of a physical constraint combined with uphill quenching on residual stresses in 7000 series aluminium alloys

de Montmorency Sutherland, Luke (University of Limerick, 2020)

When quenching heat treatable aluminium alloys, the interior of a sample cools at a different rate than that of the surface. Post quench this usually forms a triaxial tensile stress in the interior and a biaxial compressive ...
The influence of aluminium alloy quench sensitivity on the magnitude of heat treatment induced residual stress

Robinson, J.S.; Tanner, David A. (Trans Tech Publications, 2006)

To produce useful strengthening, precipitation hardenable aluminium alloys rely on rapid quenching from the solution heat treatment temperature to suppress the fort-nation of coarse equilibrium second phases. An unavoidable ...
The influence of composition and location on the toughness of human atherosclerotic femoral plaque tissue

Cunnane, Eoghan M.; Barrett, Hilary E.; Kavanagh, Eamon G.; Mongrain, R; Walsh, Michael T. (Elsevier, 2016)

The toughness of femoral atherosclerotic tissue is of pivotal importance to understanding the mechanism of luminal expansion during cutting balloon angioplasty (CBA) in the peripheral vessels. Furthermore, the ability ...
Influence of layup, stacking sequence and loading rate on energy absorption of tension-absorber joints

Hassan, Jazib; O'Higgins, Ronan M.; Feser, Thomas; Waimer, Matthias; McCarthy, Conor T.; Toso, Nathalie; McCarthy, Michael A. (Elsevier, 2021)

Tension‐absorber” joints are bolted joints designed to absorb energy in a survivable crash landing, through an extended version of bearing failure. They have been proposed for use in future transport aircraft narrow‐body ...
The influence of quench sensitivity on residual stresses in the aluminium alloys 7010 and 7075

Robinson, J.S.; Tanner, David A.; Truman, C.E.; Paradowska, A.M; Wimpory, R.C. (Elsevier, 2012)

The most critical stage in the heat treatment of high strength aluminium alloys is the rapid cooling necessary to form a supersaturated solid solution. A disadvantage of quenching is that the thermal gradients can be ...
Influence of quenching and aging on residual stress in Al-Zn-Mg-Cu alloy 7449

Robinson, J.S.; Tanner, David A.; Van Petegem, S.; Evans, A. (Maney Publishing, 2012)

The present investigation aims to quantify the size and distribution of residual stresses remaining in rectilinear aluminium forged alloy blocks after they had been partially and fully heat treated. Various quench conditions ...

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