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Articles 631 - 660 of 1063
Full-Text Articles in Civil and Environmental Engineering
Investigation Of Dynamic And Steady State Calculation Methodologies For Determination Of Building Energy Performance In The Context Of The Epbd, Mervin Dean Doyle
Investigation Of Dynamic And Steady State Calculation Methodologies For Determination Of Building Energy Performance In The Context Of The Epbd, Mervin Dean Doyle
Masters
The aim of this thesis was to investigate the ability of a dynamic and a quasi-steady state calculation methodology to capture the heating and cooling aspects of a buildings energy performance in the context of the requirements of the EU Energy Performance of Buildings Directive (EPBD). Chapters 1 and 2 provide a general background review and description of the implementation of the directive’s requirements in Ireland. Chapter 3 established the usefulness and relevance of building energy benchmarks, traditional approaches to building energy performance calculation methodologies. Chapter 4 established the ability of a sample of simplified and dynamic calculation tools to …
Changing Training Needs Arising From The Introduction Of Off-Site Construction Techniques, Louis Gunnigan, John Mcdonagh
Changing Training Needs Arising From The Introduction Of Off-Site Construction Techniques, Louis Gunnigan, John Mcdonagh
Conference papers
The objective of this paper is to examine the changes in training needs arising from the increase of off-site construction in the Republic of Ireland. The methodology employed was a case study using a participant observation research technique. For a period of three weeks, the researcher observed the construction of residential housing, constructed using off-site techniques. From the practices observed and from interviews with the operatives on-site, an account of the differences in skills required between those employed in traditional construction and off-site construction was compiled. Each of the different trades involved in traditional construction was addressed and a comprehensive …
Simulation And Parametric Analyses Of A Tubular Solid Oxide Fuel Cell Stack Using Aspen Plus, Wayne Doherty, Anthony Reynolds, David Kennedy
Simulation And Parametric Analyses Of A Tubular Solid Oxide Fuel Cell Stack Using Aspen Plus, Wayne Doherty, Anthony Reynolds, David Kennedy
Other resources
In the context of climate change and increasing energy conversion efficiency solid oxide fuel cells (SOFCs) are likely to play an important role in the production of electricity. The tubular SOFC configuration is considered to be the most advanced and is approaching commercialisation. A major advantage of SOFCs over other types of fuel cells is that they can utilise a wide spectrum of fuels (natural gas, coal and biomass syn-gas). This is due to its high operating temperature, which also makes them suitable for integration with gas turbines and for cogeneration. A R&D project is underway to develop a computer …
Implications Of Future Heavier Trucks For Europe's Bridges, Colin C. Caprani, Bernard Enright, Eugene O'Brien
Implications Of Future Heavier Trucks For Europe's Bridges, Colin C. Caprani, Bernard Enright, Eugene O'Brien
Conference papers
European road freight transport has increased by 38% between 1995 and 2005 and this strong growth trajectory seems likely to continue into the future. To address this growth without compromising the competitativeness of European transport, some countries are contemplating the introduction of longer and heavier trucks, with up to 8 axles and gross weights of up to 60 t. This has the advantage of reducing the number of vehicles for a given volume or mass of freights, reducing labour, fuel and other costs. However, many roads authorities are concerned about the implications for Europe's bridge infrastructure. For bridge loading, it …
Drop Photometer Design., Kevin Tiernan
Drop Photometer Design., Kevin Tiernan
Doctoral
The tensiograph drop analyser, operating in the mode of ultraviolet-visual absorption photometer, was re-engineered to improve measurement accuracy. As well as instrumentation re-design, the other objective of the research was to analyse tensiograph signals to explore how their features are defined by drop properties. Using fibre optic technology, the tensiograph emits a light beam into a growing pendant drop whereupon it undergoes a number of internal reflections. A portion of the reflected light energy is coupled to a photodiode producing a proportional current that is electronically processed and transferred to a computer for analysis. The signal produced, known as the …
Noise Abatement And Night Deliveries, Hugh Finlay
Noise Abatement And Night Deliveries, Hugh Finlay
Masters
ABSTRACT The hypothesis is tested that – Acoustic materials are available or can be developed and applied to Heavy Goods Vehicles and ancillaries, which effectively and economically abate the noise caused by night deliveries The MPhil is a part of a wider innovation research partnership that aimed to develop sustainable solutions for the growing trend to night deliveries in Dublin city centre. The methodology involves; a review of international best practice for urban traffic noise abatement: a social and commercial justification for developing low noise products and procedures: field trials of kerb-side deliveries to city centre shops to identify the …
Antennas For Portable Communications In The Uwb And Gps Spectra., Giuseppe Ruvio
Antennas For Portable Communications In The Uwb And Gps Spectra., Giuseppe Ruvio
Doctoral
The thesis describes a study of antennas for solutions in emerging systems. An account of the fundamental principles of these antennas is given together with an outline of the basic electromagnetic theory on which the designs are based. While the main focus is on antennas for Ultra Wideband (UWB) systems, some additional work was carried out on enhancing performance of circularly polarised antennas for satellite navigation systems. The study focussed on the design of highly efficient broadband antennas with particular requirements for size compactness, gain stability, phase-linearity, and the use of low-cost materials. These requirements are particularly important for UWB …
Proposal For A Construction Industry Digital Competency Centre For Ireland, Alan V. Hore
Proposal For A Construction Industry Digital Competency Centre For Ireland, Alan V. Hore
Conference papers
The Irish construction industry is facing a series of fundamental challenges that is affecting every player in the AEC lifecycle from architects to owners to tenants. Despite technology advances in recent years, the Irish construction industry lags behind other industries in respect to Information Communications Technology (ICT) investments. Despite a pressing need for innovation, procurement and tendering procedures in Ireland largely discourages new ideas and puts further pressure on wafer-thin margins that characterise the construction sector. This paper will reflect on the deliverables of the Construction Information Technology Alliance (CITA) in Ireland, which was formed in partnership between the Technological …
Implementing Ecommerce In The Irish Construction Industry, Alan V. Hore, Roger West
Implementing Ecommerce In The Irish Construction Industry, Alan V. Hore, Roger West
Conference papers
The current methods of ordering, delivering and invoicing of materials in the construction in-dustry is enormously inefficient, with vast quantities of paperwork, duplication of effort, scanning, re-keying and resolving mismatches between invoices, delivery dockets and purchase orders. The objective of this pa-per is to set out the progress that is being made by the Construction IT Alliance (CITA) in Ireland to support the implementation of eCommerce in the Irish construction industry. The authors will present the result of a pilot project in 2006 which demonstrated that the technology necessary for implementing an electronic supply chain exists and could be deployed …
Citax: A Collaborative Ict Standards Model For The Irish Construction Industry, Alan V. Hore, Roger West
Citax: A Collaborative Ict Standards Model For The Irish Construction Industry, Alan V. Hore, Roger West
Conference papers
The Irish construction industry is facing a series of fundamental challenges that is affecting every player in the AEC lifecycle, from architects to engineers to quantity surveyors to owners to tenants. Despite technological advances in recent years, the Irish construction industry lags behind other industries in respect to ICT investments. Although there is a pressing need for innovation, existing procurement and tendering procedures in Ireland largely discourage new ideas and put further pressure on thin margins that characterise the competitiveness of the construction sector. The low level of inter-company ICT connectivity reflects the general fragmented and adversarial nature of the …
Training Module In Regional And Municipal Governance Of Public Private Partnerships, Louis Gunnigan
Training Module In Regional And Municipal Governance Of Public Private Partnerships, Louis Gunnigan
Conference papers
This module concentrates on the issues important to those who will be setting up PPPs and who are involved in government at a regional or municipal level.
The module is centred on five tasks, namely:
- How to identify PPP opportunities and to find the best private sector partners for a PPP;
- How to organize a PPP programme within a government by enhancing cooperation amongst the relevant departments and ministries, local, regional and national authorities;
- How to be an effective manager and leader in a dynamic PPP unit;
- How to engage public support for PPPs;
- How to use international instruments to …
Water Savings And Rainwater Harvesting – Pilot Project In Ireland, Sean O'Hogain, Anna Reid, Liam Mccarton, Jenny Pender, Niamh Mcntyre
Water Savings And Rainwater Harvesting – Pilot Project In Ireland, Sean O'Hogain, Anna Reid, Liam Mccarton, Jenny Pender, Niamh Mcntyre
Conference papers
A pilot project to harvest rainwater was set up in Ireland in 2005 to examine the potential of using rainwater harvesting systems to replace treated mains water, for non-potable uses. The Project has two strands to it. The agricultural application assessed the feasibility of incorporating rainwater supply to supplement/replace mains or other water supplies for farms. The second strand involves rural water supply to domestic dwellings. Here the project installed rainwater harvesting and water conservation devices as part of a pilot project to assess the reduction in domestic demand. This paper will examine the water use recorded on both sites. …
An Investigation Of A Gis-Based Methodology For The Sustainable, Participative Management Of Walking Routes In Ireland, Helen Farrell
An Investigation Of A Gis-Based Methodology For The Sustainable, Participative Management Of Walking Routes In Ireland, Helen Farrell
Doctoral
This thesis has identified and tested a methodology for the sustainable planning, development, auditing and routing of Waymarked Ways (walking routes). In testing and comparing the methodology on two routes in Ireland, a range of results have been gathered. Findings suggest that the approach is appropriate and effective in managing waling routes in the context of the study and in including community participation in the management process. Two study sites with different landscapes and infrastructures and varying levels of attractiveness for walking were used during research, and they were found to be quite different in their route management procedures. The …