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Articles 1 - 25 of 25
Full-Text Articles in Architecture
Using Bim Technologies To Calculate And Visualise The Global Warming Potential Of Building Materials, Ryan Dempsey, Malachy Mathews Dr.
Using Bim Technologies To Calculate And Visualise The Global Warming Potential Of Building Materials, Ryan Dempsey, Malachy Mathews Dr.
Conference Papers
The built environment has a significant potential to reduce carbon emissions and raw material consumption. Digitisation processes such as Building Information Modelling (BIM) and Life Cycle Assessment (LCA) can offer solutions to improve sustainability throughout the building’s life cycle for the decarbonisation of the industry. In Ireland, the Royal Institute of Architects Ireland (RIAI) launched the 2030 Climate Challenge in response to the climate emergency. This sets out a list of targets to meet before 2030 for carbon emissions within the built environment. This research aims to investigate if the application of BIM tools can be leveraged to automate Global …
An Investigation Into Ireland’S Bim Skills Gap, Guadalupe Centanni, Barry Mcauley
An Investigation Into Ireland’S Bim Skills Gap, Guadalupe Centanni, Barry Mcauley
Conference Papers
The adoption of digital skills within the Irish AEC Sector has the potential to enhance efficiency and competitiveness among its stakeholders. Despite this opportunity, there is still a high demand for skilled BIM professionals, which cannot be currently met. To meet this skills demand and directly target future skills gaps within Ireland, several challenges must be addressed to facilitate broader BIM adoption. This paper focuses on addressing this gap by identifying steps to be followed to develop skilled professionals within BIM. This has been achieved by investigating the extent to which construction stakeholders in Ireland comprehend BIM and, examiningthe training …
Accelerating Bim Adoption In Ireland: A Ten-Year Review Of Cita Bim Gathering Proceedings, Alan Hore, Roger West, Barry Mcauley
Accelerating Bim Adoption In Ireland: A Ten-Year Review Of Cita Bim Gathering Proceedings, Alan Hore, Roger West, Barry Mcauley
Conference Papers
Digital construction interfaces have been studied extensively over the last few decades, with an ever-grow- ing catalogue of publications. The CitA BIM Gathering conferences have played a key role in bringing together the research and industry communities ina collaborative setting over the past decade in Ireland. In this paper the authors systematically review 10 years of papers published in the BIM Gathering pro- ceedings since the inaugural conference in 2013. A total of 175 papers involving over 200 authors have been reviewed and classified under the 2018 World Economic Forum (WEF) recommendations in respect to ac- celerating BIM adoption. The …
Skills Matter – Up-Skilling Across Construction Stakeholders For Emerging Roles, Avril Behan, Paul Mccormack, Barry Mcauley
Skills Matter – Up-Skilling Across Construction Stakeholders For Emerging Roles, Avril Behan, Paul Mccormack, Barry Mcauley
Conference Papers
The EU’s Climate Target Plan To 2030 (European Union 2020b) of achieving at least 55% reduction in Green House Gas emissions from 1990 levels, delivering towards a climate-neutral economy by 2050, requires systems-level change in the way we design, construct, and operate our built assets. Funding initiatives, such as co-ordinated by BUILD UP Skills, aim to deliver upskilling to the market but targets set by the European Skills Agenda may not be reached at current achievement levels. This paper presents the results of one completed and the progress of one ongoing Horizon 2020 funded project, BIMcert and ARISE, respectively. Learning …
Using Bim To Increase The Efficiency Of Energy-Driven Retrofitting Projects, Anne Grego, Shannon Chance, Barry Mcauley
Using Bim To Increase The Efficiency Of Energy-Driven Retrofitting Projects, Anne Grego, Shannon Chance, Barry Mcauley
Conference Papers
The building sector is responsible for nearly 40% of global energy consumption. Many existing buildings have poor thermal insulation and low energy performance, hindering sustainability goals. Energy-driven building retrofitting could address this issue and implementing Building Information Modelling (BIM) in retrofitting can reduce process time, costs, and waste associated with such undertakings. Yet, there is a lack of research and insufficient guidance for implementing BIM in energy-driven retrofitting. A BIM framework is presented to enhance decision-making processes during retrofitting. The aims of this study were to (1) identify BIM technologies and methodologies that could address existing barriers and improve efficiency …
A Robust Lpc Filtering Method For Time-Resolved Morphology Of Eeg Activity Analysis, Jin Xu, Mark Davis, Ruairí De Fréin
A Robust Lpc Filtering Method For Time-Resolved Morphology Of Eeg Activity Analysis, Jin Xu, Mark Davis, Ruairí De Fréin
Conference Papers
This paper introduces a new time-resolved spectral analysis method based on Linear Prediction Coding (LPC) method that is particularly suited to the study of the dynamics of EEG (Electroencephalogram) activity. The spectral dynamic of EEG signals can be challenging to analyse as they contain multiple frequency components and are often heavily corrupted by noise. Furthermore, the temporal and spectral resolution that can be achieved is limited by the Heisenberg-Gabor uncertainty principle [1]. The method described here is based on a z-plane analysis of the poles of the LPC which allows us to identify and estimate the frequency of the dominant …
Lifelong Housing Design: User Feedback Evaluation Of Smart Objects And Accessible Houses For Healthy Ageing, Matteo Zallio, Niccolò Casiddu
Lifelong Housing Design: User Feedback Evaluation Of Smart Objects And Accessible Houses For Healthy Ageing, Matteo Zallio, Niccolò Casiddu
Conference Papers
According to the latest research by the European Community and ISTAT (Italian National Institute of Statistics) surveys, Europe has the highest average age for its population. According to those data, in the near future, it could be necessary to move from a welfare model based on the centralization of care systems, to a system based on the distribution of certain healthcare facilities [1]. This means that the ageing population is ever increasing, thanks to better lifestyles, innovative medical care and wider access to different services. This work seeks to observe and analyse key implications of architectural and interior design features …
Km Symposium: Designing Work, Knowledge Cafe Presentation, John Walsh
Km Symposium: Designing Work, Knowledge Cafe Presentation, John Walsh
Conference Papers
This visual presentation looks at the history of office spatial design, particularly in relation to the evolution of the Open Plan office. Starting with the invention of the steel beam which facilitated the creation of large open-plan floorplates in the later part of the 19th Century, the presentation looks at examples of open plan offices up to the present day. In particular this presentation looks at “the cubicle” and the impact of office spatial and furniture design on different work-modes including collaboration and concentration.
Transport Inequity & Disadvantage In Celtic Tiger Dublin – Preliminary Results, Sarah Rock, Aoife Ahern
Transport Inequity & Disadvantage In Celtic Tiger Dublin – Preliminary Results, Sarah Rock, Aoife Ahern
Conference Papers
This paper explores social equity issues in transport and land-use planning, using recently developed housing areas in Dublin as a case study. As a pillar of sustainable development, social equity is an important objective of transport planning. During the 2000s, Dublin experienced a significant increase in car ownership levels and usage. There is now a growing body of research that links increasing car ownership, usage and dependency to increasing levels of inequity and transport disadvantage. The paper briefly outlines the evolving theoretical considerations of relevance to transport and land-use related equity, and establishes a framework from which to draw a …
Stock Aggregation Model And Virtual Archetype For Large Scale Retrofit Modelling Of Local Authority Housing In Ireland, James Pittam, Paul D. O’Sullivan, Garrett O’Sullivan
Stock Aggregation Model And Virtual Archetype For Large Scale Retrofit Modelling Of Local Authority Housing In Ireland, James Pittam, Paul D. O’Sullivan, Garrett O’Sullivan
Conference Papers
Developing representative archetypes using a bottom up approach for stock modelling is an excellent tool for evaluating the overall performance of the building stock; however it requires detailed analysis of the various building types. Currently there is no detailed housing data base for Local Authority housing in Cork City, Ireland that catalogues the housing stocks geometric properties and thermal characteristics for each typology. This study details a methodology to catalogue the LAH stock and build a detailed housing data base. The GIS web based mapping application Google Street View is used to identify 20 house typologies across 36 LAH developments; …
The Reduction Of Plug Loads: The Next Obstacle In Achieving Net Zero Energy Buildings, Cian O'Driscoll, Garrett O’Sullivan, Jim Harrison
The Reduction Of Plug Loads: The Next Obstacle In Achieving Net Zero Energy Buildings, Cian O'Driscoll, Garrett O’Sullivan, Jim Harrison
Conference Papers
As industry pushes for further reductions in the energy consumption of buildings the era of net zero energy, zero carbon buildings has been realised. However, this frontier of highly efficient architecture has unveiled the considerably large problem of plug loads. In a typical office building plug load alone can account for 15% of total energy consumption. In a Net Zero Energy building that percentage can increase to 50+%. This paper discusses the reasons for this increasingly significant building energy load and the importance of reducing it. A methodological approach and results of monitoring the kWh consumption at plug level and …
Generating A Variable Uniform Magnetic Field Suitable For Fatigue Testing Magnetorheological Elastomers Using The Bubble Inflation Method., Dave Gorman, Stephen Jerrams, Ray Ekins, Niall Murphy
Generating A Variable Uniform Magnetic Field Suitable For Fatigue Testing Magnetorheological Elastomers Using The Bubble Inflation Method., Dave Gorman, Stephen Jerrams, Ray Ekins, Niall Murphy
Conference Papers
No abstract provided.
Why Are Property Boundary Disputes Increasing In Ireland?, Daragh O'Brien, William P. Prendergast
Why Are Property Boundary Disputes Increasing In Ireland?, Daragh O'Brien, William P. Prendergast
Conference Papers
Recent anecdotal evidence has shown that property boundary disputes have been on the increase over the past number of years (Prendergast 2008 and 2011). This paper will highlight results from a questionnaire to Irish property professionals in an effort to understand what they have been dealing with over the past number of years, including the impact of the PRAi Digital Mapping Project on their work, the most common type of dispute they deal with, the length of time they devote to property boundary disputes in the past 10 years and the number of Boundary Surveys conducted between 2007 – 2011.
Magnetic Field Design Reliable Data For Magnetic Field Design In Magnetorheological Elastomer Damping Applications Is Essential For Accurate And Cost-Efficient Operation, Dave Gorman, Stephen Jerrams, Ray Ekins, Niall Murphy
Magnetic Field Design Reliable Data For Magnetic Field Design In Magnetorheological Elastomer Damping Applications Is Essential For Accurate And Cost-Efficient Operation, Dave Gorman, Stephen Jerrams, Ray Ekins, Niall Murphy
Conference Papers
No abstract provided.
Sensitivity Studies Of A Low Temperature Low Approach Direct Cooling Tower For Building Radiant Cooling Systems, Medhi Nasrabadi, Donal Finn, Ben Costelloe
Sensitivity Studies Of A Low Temperature Low Approach Direct Cooling Tower For Building Radiant Cooling Systems, Medhi Nasrabadi, Donal Finn, Ben Costelloe
Conference Papers
Recent interest in cooling towers as a mechanism for producing chilled water, together with the evolution of radiant cooling, have prompted a review of evaporative cooling in temperate maritime climates. The thermal efficiency of such systems is a key parameter, as a measure of the degree to which the system has succeeded in exploiting the cooling potential of the ambient air. The feasibility of this concept depends largely however, on achieving low approach water temperatures within an appropriate cooling tower, at acceptable levels of energy performance. Previous experimental work for a full scale evaporative cooling system has shown that it …
Mathematical Modelling Of A Low Approach Evaporative Cooling Process For Space Cooling In Buildings, Medhi Nasrabadi, Donal Finn, Ben Costelloe
Mathematical Modelling Of A Low Approach Evaporative Cooling Process For Space Cooling In Buildings, Medhi Nasrabadi, Donal Finn, Ben Costelloe
Conference Papers
This paper describes a mathematical model of a low approach open evaporative cooling tower for the production of high temperature indirect cooling water (14-16°C) for use in building radiant cooling and displacement ventilation systems. There are several potential approaches to model evaporative cooling, including: the Poppe method, the Merkel method and the effectiveness-NTU (ε-NTU) method. A common assumption, applied to the Merkel and ε-NTU methods, is that the effect of change in tower water mass flow rate due to evaporation is ignored, which results in a simpler model with reduced computational requirements, but with somewhat decreasedaccuracy. In this paper, a …
Social Network Analysis Of Passage Tomb Intervisibility, Frank Prendergast
Social Network Analysis Of Passage Tomb Intervisibility, Frank Prendergast
Conference Papers
Passage tombs are widely regarded as the most homogenous prehistoric funerary monument class on the island in terms of their morphology, ornamentation, assemblage of finds, landscape siting and spatial clustering. Contextually, the archaeological classification of Irish megalithic tombs has identified court, portal and passage types as Neolithic with wedge tombs constructed in the later Bronze Age. The small number of single Neolithic burials (Linkardstown type) is excluded from this case study. The writer has examined the island's passage tomb tradition from five perspectives - spatial cohesion, symbolism in elevation/height, landscape setting and vista, archaeoastronomy and intervisibility. Tomb intervisibility in the …
Assessment Of The Embodied Co2eq In Buildings Towards A Sustainable Building Design And Construction, Adolf Acquaye, Aidan Duffy, Biswajit Basu
Assessment Of The Embodied Co2eq In Buildings Towards A Sustainable Building Design And Construction, Adolf Acquaye, Aidan Duffy, Biswajit Basu
Conference Papers
Research studies have shown that the initial energy embodied in a building can be as much as 67% of the operational energy over a 25 year period. With growing global concerns over material and resource consumption and the emissions of CO2 into the atmosphere, the energy embodied in buildings constructed in town and cities becomes important and one of the key issues that needs to be tackled in the design stages in order to strive towards sustainable buildings design. In this paper, a hybrid embodied carbon dioxide equivalent (CO2eq) methodology used to assess the CO2eq embodied in buildings is presented. …
The Application Of Web 2.0 Technologies As An Experimental Method Of Teaching Remote Sensing At Dit, Ireland, Avril Behan
The Application Of Web 2.0 Technologies As An Experimental Method Of Teaching Remote Sensing At Dit, Ireland, Avril Behan
Conference Papers
This paper describes the implementation of an experimental method of delivery for a module of remote sensing material to second year students on the BSc (Hons) in Geomatics at the Dublin Institute of Technology. The project began as a reaction to poor levels of student engagement and unsatisfactory grades, as well as the requirement to focus more on real-world type problems due to the implementation of a work-placement semester for third year students. Both pedagogical considerations (movement towards formative feedback, interactivity and group-based work) and the effect of technological drivers, such as the popularity of the internet in general and …
Metrology And Proportion In The Ecclesiastical Architecture Of Medieval Ireland, Avril Behan, Rachel Moss
Metrology And Proportion In The Ecclesiastical Architecture Of Medieval Ireland, Avril Behan, Rachel Moss
Conference Papers
The aim of this paper is to examine the extent to which detailed empirical analysis of the metrology and proportional systems used in the design of Irish ecclesiastical architecture can be analysed to provide historical information not otherwise available. Focussing on a relatively limited sample of window tracery designs as a case study, it will first set out to establish what, if any, systems were in use, and then what light these might shed on the background, training and work practices of the masons, and, by association, the patrons responsible for employing them.
Thermal Performance Of Low Approach Evaporative Cooling Systems In Buildings, Ben Costelloe, Donal Finn
Thermal Performance Of Low Approach Evaporative Cooling Systems In Buildings, Ben Costelloe, Donal Finn
Conference Papers
Meteorological enthalpy analysis of temperate and maritime climates above 45˚N suggests that the water-side evaporative cooling technique has considerable unrealised potential with contemporary "high temperature" building cooling systems - such as chilled ceilings. As low approach conditions are the key to exploiting the cooling potential of the ambient air, thermal performance at such conditions needs to be investigated. To address the research issues a test rig, based on an open cooling tower and plate heat exchanger and designed to maximise evaporative cooling potential, has been constructed at DIT. A combination of experimental measurement and analysis is used in the investigations. …
Thermal Efficiency Characteristics Of Indirect Evaporative Cooling Systems, Ben Costelloe, Donal Finn
Thermal Efficiency Characteristics Of Indirect Evaporative Cooling Systems, Ben Costelloe, Donal Finn
Conference Papers
Recent developments in enhancing heat transfer in cooling towers, together with the success of chilled ceilings, have prompted a review of the evaporative cooling technique. in temperate maritime climates. The thermal efficiency of such systems is a key parameter, as a measure of the degree to which the system has succeeded in exploiting the cooling potential of the ambient air. This paper presents the results of experimental research into the thermal efficiency of a water-side open indirect evaporative cooling test rig designed to achieve low (1-4 K) approach conditions. Secondary efficiencies in the range 0.24-0.76 have been achieved.
Energy Performance Of Indirect Evaporative Cooling In Chilled Ceiling Applications In Maritime Temperate Climates, Ben Costelloe, Donal Finn
Energy Performance Of Indirect Evaporative Cooling In Chilled Ceiling Applications In Maritime Temperate Climates, Ben Costelloe, Donal Finn
Conference Papers
Evaporative cooling has had limited application in maritime, temperate, climates due to the low levels of cooling water availability which result, when low temperature (5 to 8˚C), convection based, building cooling systems are used. However, the success of "high temperature" radiant cooling, in the form of chilled ceilings, has prompted a review of evaporative cooling in maritime, temperate, conditions. In order to maximize evaporative cooling availability, however, in this application, it is necessary to achieve low wet bulb temperature approach conditions, at viable levels of primary energy consumption. This paper presents the results of experimental research into the energy performance …
Evaporative Cooling Availability In Water Based Sensible Cooling Systems, Ben Costelloe, Donal Finn
Evaporative Cooling Availability In Water Based Sensible Cooling Systems, Ben Costelloe, Donal Finn
Conference Papers
Recent developments have prompted a review of evaporative cooling technology as an effective means of cooling modern deep plan buildings. Prominent among these developments is the success of high temperature sensible cooling systems, such as chilled ceilings, which require a supply of cooling water at 14 to 18°C. Crucial to the success of evaporative cooling technology, as a significant means of cooling in modern applications, is the ability to generate cooling water, in an indirect circuit, at a temperature which closely approaches the ambient adiabatic saturation temperature or wet bulb temperature. Recent research in this area has shown that it …
The Design And Performance Of An Evaporative Cooling Test Rig For A Maritime Climate, Ben Costelloe, Donal Finn
The Design And Performance Of An Evaporative Cooling Test Rig For A Maritime Climate, Ben Costelloe, Donal Finn
Conference Papers
Recent developments have prompted a review of the use of cooling tower based evaporative cooling technology as an effective means of cooling modern buildings. Prominent among these developments is the success of high temperature cooling systems such as radiant ceiling panels and chilled beams. At present, however, there is little published literature which gives a quantitative, in depth analysis of the performance or energy efficiency of cooling towers, used in maritime climates, in conjunction with heat exchangers and run at low approach and low wet bulb temperatures throughout the free cooling season. This lack of knowledge has meant that many …