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Now showing items 82-101 of 433

Design and optimisation of the impulse turbine with an internal variable-pitch controlled guide vane system using computational fluid dynamics and experimental analysis

Cashman, Patrick Andrew (University of Limerick, 2012)

Following a review of previous research on wave power conversion, it is evident that Oscillating Water Columns are one of the few devices to successfully convert wave power to electrical power at a commercial stage. ...
Design, manufacture and test of a high temperature tensile and compression testing device

Tiernan, Peter; O'Connor, G (Elsevier, 2018)

This paper describes the design and manufacture of a low-cost laboratory test device capable of testing metallic materials at elevated temperatures. The device, which consists of an environmental chamber, specimen gripping ...
Design, optimization and manufacturing of a unitized carbon fiber/thermoplastic wingbox structure

Oliveri, Vincenzo; Peeters, Daniël; Clancy, Gearóid J.; Jones, David; O'Higgins, Ronan M.; Weaver, Paul M. (American Institute of Aeronautics and Astronautics: AIAA, 2018)

Manufacture of high performance large composite aerostructures in an out-of-autoclave process using thermoplastic composites that is cost-effective is highly attractive and, at the same time, technologically challenging. ...
Designing a community engagement strategy for Limerick Smarter travel using focus groups and precedent studies

Cullinane, Kathleen Clair (University of Limerick, 2012)

This research aims to create a rational basis for designing and implementing a plan for Limerick Smarter Travel. This plan will pay particular attention to community engagement. This research establishes a rationale for a ...
Designing a smarter travel strategy for Limerick City using precedent studies and focus groups

Cullinane, Kay; Cosgrove, Tom (Irish Transport Research Network, 2011)

Almost 7 out of 10 people in Limerick drove to work, school, or college in 2006 with 65% of residents commuting a distance of 1 to 9km Successful change has been implemented in European and, more recently, in UK and ...
Developing CDIO practitioners: A systematic approach to standard 10

Power, Jason Richard; Tanner, David A.; Ryan, Alan; Devitt, Brian (Elsevier, 2019)

CDIO (Conceive, Design, Implement, Operate) is a widely used framework designed to educate the next generation of engineers. CDIO adoption is supported and assessed by 12 standards. CDIO Standard 10: Enhancement of Faculty ...
Development and testing of a deployable double layer tensegrity grid

Quilligan, Michael; Gomez-Jauregui, Valentin; Manchado, Cristina; Otero, Cesar (Civil Engineering Research Association of Ireland, 2020)

Tensegrity is a structural principle based on the use of isolated or contiguous pin jointed components in compression inside a net of continuous tension. Although the concept has been studied for many decades, relatively ...
Development and validation of a compact thermal model for an aircraft compartment

Geron, Marco; Butler, Colin; Stafford, Jason; Newport, David (Elsevier, 2013)

The development of accurate structural/thermal numerical models of complex systems, such as aircraft fuselage barrels, is often limited and determined by the smallest scales that need to be modelled. The development of ...
Development of a platform for studying 3D astrocyte mechanobiology: compression of astrocytes in collagen gels

Mulvihill, John J.E.; Raykin, Julia; Snider, Eric J.; Schildmeyer, Lisa A.; Zaman, Irsham; Platt, Manu O.; Kelly, Daniel J.; Ethier, Ross C. (Springer, 2017)

Glaucoma is a common optic neuropathy characterized by retinal ganglion cell death. Elevated intraocular pressure (IOP), a key risk factor for glaucoma, leads to significant biomechanical deformation of optic nerve head ...
Development of a sizing equation for a multi-stage choke valve trim

Grace, Andrew (University of Limerick, 2011)

Choke valves are used to regulate the pressure from natural gas reservoirs. Traditional choke valves control the reservoir pressure drop using a single variable orifice. At choked flow conditions a shock wave forms in ...
Development of high-power laser ablation process for polycrystalline diamond polishing Part 2: upscaling of PCD ultra-short pulsed laser ablation to high power

Scalbert, William; Tanner, David A.; Holtz, Ronald (SPIE: The International Society for Optics and Photonics, 2020)

Properties of diamond are extreme. Since the first successful synthesis of diamond in 1955, the use of synthetic diamond has widely spread into diverse industries (e.g. manufacturing, electronics and optics). However, being ...
Development of high-power laser ablation process for polycrystalline diamond polishing: Part 3. Processing with an ultra-short pulsed laser up to 1kW

Scalbert, William; Tanner, David A.; Delaigue, Martin; Hönninger, Clemens; Brunel, David; Holder, Daniel; Röcker, Christoph; Abdou Ahmed, Marwan (SPIE: The International Society for Optics and Photonics, 2021)

Ultra-short pulse laser machining has been applied to the polishing of polycrystalline diamond (PCD) wafers in order to generate a smooth surface finish and reduce mechanical polishing time. Past studies were first carried ...
Development of the minimum equipment list: current practice and the need for standardisation

Obadimu, Solomon O.; Karanikas, Nektarios; Kourousis, Kyriakos I. (MDPI, 2020)

As part of the airworthiness requirements, an aircraft cannot be dispatched with an inoperative equipment or system unless this is allowed by the Minimum Equipment List (MEL) under any applicable conditions. Commonly, ...
Diffusion braze homogenisation and contraction during re-repair heat treatments of a single crystal nickel-based superalloy

Hinchy, Eoin; Barron, D; Pomeroy, Michael J.; Tanner, David A. (Elsevier, 2021)

In this work, nickel-based braze reservoirs embedded in single crystal nickel-based superalloy substrates were cycled between one and four braze diffusion heat treatments to analyse the effect on microstructural transformation ...
Digital twin: origin to future

Singh, Maulshree; Fuenmayor, Evert; Hinchy, Eoin; Qiao, Yuansong; Murray, Niall; Devine, Declan M. (MDPI, 2021)

Digital Twin (DT) refers to the virtual copy or model of any physical entity (physical twin) both of which are interconnected via exchange of data in real time. Conceptually, a DT mimics the state of its physical twin in ...
Direct amplification of nucleic acids from cells

Fleming, Paul (University of Limerick, 2011)

All biological conditions, whether pathological or a cellular response to extra cellular signals, are reflected in changes in gene expression. Gene expression profiling is therefore a valuable tool in many areas, including ...
Does circular reuse of chickpea cooking water to produce vegan mayonnaise reduce environmental impact compared with egg mayonnaise?

Saget, Sophie; Costa, Marcela P.; Styles, David; Williams, Michael (MDPI, 2021)

Consumers are increasingly asking for foods that are healthier, more humane, and environmentally sustainable. Recently, chickpea cooking water—aquafaba—has gained popularity as a potential egg substitute that complies with ...
Does inappropriate quality control demotivate workers? A critical review

Brooks, Tara; Spillane, John P. (ARCOM: Association of Researchers in Construction Management, 2016)

The construction industry requires quality control and regulation of its contingent, unpredictable environment. However, taking too much control from workers can disempower and demotivate. In the 1970s Deci and Ryan ...
Drug delivery across the blood-brain barrier: recent advances in the use of nanocarriers

Mulvihill, John J.E.; Cunnane, Eoghan M.; Ross, Aisling M.; Duskey, Jason T.; Tosi, Giovanni; Grabrucker, Andreas M. (Future Medicine, 2020)

The blood-brain barrier (BBB) has a significant contribution to homeostasis and protection of the CNS. However, it also limits the crossing of therapeutics and thereby complicates the treatment of CNS disorders. To overcome ...
Durability and compression properties of high‑strength concrete reinforced with steel fibre and multi‑walled carbon nanotube

Yang, Jianhui; Tang, Xujun; Wang, Hongju; Wang, Qinting; Cosgrove, Tom (Springer, 2020)

High-strength concrete (HSC) reinforced with steel fibre (SF) and carbon nanotube (HSCRSC) is a new type of high-strength composite concrete with good fluidity, high strength, toughness, durability and other remarkable ...

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