Browsing by Author "Hajdukiewicz, Magdalena"
Now showing items 1-20 of 38
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Achieving nearly zero-energy buildings - A lifecycle assessment approach to retrofitting buildings
Moran, Paul; Goggins, Jamie; Hajdukiewicz, Magdalena (NUI Galway, 2015-04-23)It is now widely recognised in the academic and business worlds that energy efficiency in buildings provides significant environmental and economic opportunities, but also challenges. The building sector offers considerable ... -
Application of a staged automated calibration methodology to a partially-retrofitted university building energy model
Zuhaib, Sheikh; Hajdukiewicz, Magdalena; Goggins, Jamie (Elsevier, 2019-07-10)Deep-retrofit planning for existing buildings demands high accuracy in energy modelling prediction that minimises the gap between actual and simulated scenarios. A large set of interacting variables and uncertainties in ... -
Assessing aerodynamic performance in cycling using computational fluid dynamics
Mannion, Paul; Clifford, Eoghan; Blocken, Bert; Hajdukiewicz, Magdalena (NUI Galway, 2016-08-29)Aerodynamic resistance is one of the leading challenges to overcome in elite cycling. To optimize cycling aerodynamics, estimates must first be made by means of wind tunnel testing, computational fluid dynamics or track ... -
Attitudes and approaches of Irish retrofit industry professionals towards achieving nearly zero-energy buildings
Zuhaib, Sheikh; Manton, Richard; Hajdukiewicz, Magdalena; Keane, Marcus M.; Goggins, Jamie (Emerald, 2017-04-10)Abstract Purpose There is profound demand for higher skills and expertise in retrofitting the existing building stock of Europe. The delivery of low- or nearly zero-energy retrofits is highly dependent on technical ... -
An automated standard-based life cycle quality inspection methodology for smart precast concrete solutions in buildings
Hajdukiewicz, Magdalena; Goggins, Jamie; de la Torre, Oscar; Holleran, Dave; Keane, Marcus M. (Taylor & Francis, 2019-07-29)Built2Spec research project brought together a new and breakthrough set of tools in order to improve construction quality inspection processes. These can be put into the hands of construction stakeholders to help meet ... -
Behaviour of hybrid concrete lattice girder flat slab system using insitu structural health monitoring
Newell, S.; Goggins, Jamie; Hajdukiewicz, Magdalena; Holleran, D. (NUI Galway, 2016-08-29)In recent decades, Structural Health Monitoring (SHM) has emerged as an increasingly important tool in Civil Engineering to understand how structures behave during construction and operation. Although SHM is not a new ... -
Calibrated CFD simulation to evaluate thermal comfort in a highly-glazed naturally ventilated room
Hajdukiewicz, Magdalena; Geron, Marco; Keane, Marcus M. (Elsevier, 2013-08-30)Natural ventilation is a sustainable solution to maintaining healthy and comfortable environmental conditions in buildings. However, the effective design, construction and operation of naturally ventilated buildings require ... -
Community engaged learning: A building engineering case study
Goggins, Jamie; Hajdukiewicz, Magdalena (Civil Engineering Research Association of Ireland (CERAI), 2020-08-28)ABSTRACT: Community engaged learning is a form of experiential education with a civic underpinning. Community engaged learning is embedded with the civil engineering curriculum at NUI Galway and is framed by a research ... -
Deep-retrofit decision-making support for achieving nearly zero-energy buildings with enhanced comfort
Zuhaib, Sheikh (NUI Galway, 2019-04-11)The emerging trends for deep-retrofit of existing buildings in Europe require formulation of strategies for nearly zero-energy buildings (nZEBs) and achieving benchmarks as outlined in the Energy Performance of Buildings ... -
A detailed investigation of the impact of an innovative dynamic façade system on indoor environmental quality in offices
Hajdukiewicz, Magdalena; Loomans, Marcel G.L.C. (University of Galway, 2023-10-04)In recent years, naturally ventilated glass façades have become a common feature in the design and retrofit of large-scale non-residential buildings, integrating architectural aesthetics and energy efficiency. These ... -
Diagnostics and intervention methods for façade retrofit of post-WWII non-domestic buildings in Europe for energy efficiency
Zuhaib, Sheikh; Hajdukiewicz, Magdalena; Keane, Marcus M.; Goggins, Jamie (NUI Galway, 2016-08-29)The growing demand of deep façade retrofits in refurbishment projects across Europe, is often accompanied by low-energy targets and architectural attributes. Factors like variability in context, material, environment and ... -
The environmental performance of a reinforced precast concrete slab with void forming system
Hajdukiewicz, Magdalena; Lebrene, J; Goggins, Jamie (2014)In some climates people spend approximately 90% of their lives indoors. Thus, it is very important to maintain healthy and comfortable conditions in buildings. The building sector is responsible for about 40% of the ... -
Evaluation of various turbulence models to predict indoor conditions in a naturally ventilated room
Hajdukiewicz, Magdalena; Geron, M.; Keane, MM (2013)In recent years, Computational Fluid Dynamics (CFD) has become a popular tool in building simulation. However, developing reliable CFD models requires a high level of expertise in fluid dynamics and numerical techniques. ... -
Formal Calibration methodology for a CFD model of a naturally ventilated room
Hajdukiewicz, Magdalena; Walsh, Michael; Keane, Marcus M. (2011)This paper describes a systematic methodology for the development of calibrated thermodynamic Computational Fluid Dynamics (CFD) models for controlled environments in buildings utilising wireless sensor networks. ... -
Formal calibration methodology for CFD model development to support the operation of energy efficient buildings
Hajdukiewicz, Magdalena; Keane, MM; O Flynn, B; O Grady, W (Texas A&M University, 2010)Computational Fluid Dynamics (CFD) is a robust tool for modelling interactions within and between fluids and solids. CFD can help understand and predict phenomena that are difficult to test experimentally leading ... -
Formal calibration methodology for CFD models of naturally ventilated indoor environments
Hajdukiewicz, Magdalena; Geron, Marco; Keane, Marcus M. (Elsevier, 2012-08-31)Well planned natural ventilation strategies and systems in the built environments may provide healthy and comfortable indoor conditions, while contributing to a significant reduction in the energy consumed by buildings. ... -
Formal calibration methodology relating to CFD models of naturally ventilated internal environments
Hajdukiewicz, Magdalena (2013-08-16)The building sector is responsible for 40% of total global energy consumption. Half of the energy consumed by buildings relates to heating, ventilation and air conditioning (HVAC) systems. Natural ventilation can provide ... -
Generating robust algorithms for energy efficient lighting as a performance aspect of the building operational energy optimisation framework
Ganguly, Turya; Hajdukiewicz, Magdalena; Keane, Marcus; Goggins, Jamie (NUI Galway, 2016-08-29)This paper presents a part of the ongoing research in the nZEB-Retrofit project in the National University of Ireland, Galway. This research aims to optimise residential building performance by enhancing the key performance ... -
How accurate are Energy Performance Certificates indicated energy savings of building retrofits?
Moran, P.; Hajdukiewicz, Magdalena; Goggins, Jamie (NUI Galway, 2016-08-29)With the impending nearly zero energy building (NZEB) regulations for residential new builds and retrofits for the European Union (EU) housing stock and the percentage of new buildings relative to existing buildings is ... -
Improving cfd prediction of drag on paralympic tandem athletes: influence of grid resolution and turbulence model
Mannion, Paul; Toparlar, Yasin; Blocken, Bert; Hajdukiewicz, Magdalena; Andrianne, Thomas; Clifford, Eoghan (Springer Nature, 2017-10-30)Tandem cycling enables visually impaired athletes to compete in cycling in the Paralympics. Tandem aerodynamics can be analysed by track measurements, wind-tunnel experiments and numerical simulations with computational ...