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Dive into the research topics where Angela Sasic Kalagasidis is active.

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Featured researches published by Angela Sasic Kalagasidis.


Journal of Thermal Envelope and Building Science | 2004

Assessment method of numerical prediction models for combined heat, air and moisture transfer in building components: benchmarks for one-dimensional cases

Carl-Eric Hagentoft; Angela Sasic Kalagasidis; Bijan Adl-Zarrabi; Staf Roels; Jan Carmeliet; Hugo Hens; John Grunewald; Max Funk; Rachel Becker; Dina Shamir; Olaf Adan; H.J.P. Brocken; Kumar Kumaran; Reda Djebbar

The standardised Glaser method for calculation, prediction and evaluation of moisture performance is considered as rarely applicable. The present state of knowledge, analytical as well as experimental, concerning heat, air and moisture demands updating of standards. This paper presents five numerical benchmark cases for the quality assessment of simulation models for one-dimensional heat, air and moisture (HAM) transfer. In one case, the analytical solution is known and excellent agreement between several solutions from different universities and institutes is obtained. In the remaining four cases, consensus solutions have been found, with good agreement between different HAM models. The work presented here is an outcome of the EU-initiated project for standardisation of HAM calculation methods (HAMSTAD WP2).


Journal of Building Performance Simulation | 2014

A multi-level modelling and evaluation of thermal performance of phase-change materials in buildings

Angela Sasic Kalagasidis

Integration of phase-change materials (PCMs) in building envelopes is a way to enhance heat storage capacity of buildings and thereby to rationalize the use of energy for heating and cooling of buildings. This work presents a numerical model of a building envelope with PCMs, verifications of the model according to a normative benchmark and measurements and a tentative case study that exemplifies the effects of such a building envelope on the thermal performance of a whole building. Simulations have been carried out using a modular environment of the International Building Physics Toolbox in Simulink®. As for the effects of PCMs in buildings, it is concluded that they are rather case sensitive; in the tentative case study, the annual savings of total energy for heating and cooling vary between 5% and 21%, depending mainly on the thermal comfort and the placement of PCM in the building envelope.Integration of phase-change materials (PCMs) in building envelopes is a way to enhance heat storage capacity of buildings and thereby to rationalize the use of energy for heating and cooling of buildings. This work presents a numerical model of a building envelope with PCMs, verifications of the model according to a normative benchmark and measurements and a tentative case study that exemplifies the effects of such a building envelope on the thermal performance of a whole building. Simulations have been carried out using a modular environment of the International Building Physics Toolbox in Simulink®. As for the effects of PCMs in buildings, it is concluded that they are rather case sensitive; in the tentative case study, the annual savings of total energy for heating and cooling vary between 5% and 21%, depending mainly on the thermal comfort and the placement of PCM in the building envelope.


Archive | 2013

Hygrothermal Conditions and Mould Growth Potential in Cold Attics: Impact of Weather, Building System and Construction Design Characteristics

Carl Eric Hagentoft; Angela Sasic Kalagasidis

Field surveys and experiences of cold attics show that these are risk constructions. Both old and new constructions are facing problems. For old constructions there is a clear correlation with improved attic floor insulations. In this chapter the hygrothermal condition of the attic is simulated both using simplified as well as more advanced models. These models are also used to generate probabilistic assessment of mould growth risk. Validation of the advanced HAM-model using field measurements is also demonstrated.


Building and Environment | 2009

The effect of combining a relative-humidity-sensitive ventilation system with the moisture-buffering capacity of materials on indoor climate and energy efficiency of buildings

Monika Woloszyn; Targo Kalamees; Marc Abadie; Marijke Steeman; Angela Sasic Kalagasidis


Energy and Buildings | 2013

A modelling strategy for energy, carbon, and cost assessments of building stocks.

Érika Mata; Angela Sasic Kalagasidis; Filip Johnsson


Energy Policy | 2013

Energy usage and technical potential for energy saving measures in the Swedish residential building stock

Érika Mata; Angela Sasic Kalagasidis; Filip Johnsson


Energy and Buildings | 2007

The International Building Physics Toolbox in Simulink

Angela Sasic Kalagasidis; Peter Weitzmann; Toke Rammer Nielsen; Ruut Hannele Peuhkuri; Carl-Eric Hagentoft; Carsten Rode


Archive | 2004

HAM-Tools - An Integrated Simulation Tool for Heat, Air and Moisture Transfer Analyses in Building Physics

Angela Sasic Kalagasidis


Building and Environment | 2014

Interior insulation retrofit of a historical brick wall using vacuum insulation panels: Hygrothermal numerical simulations and laboratory investigations

Pär Johansson; Stig Geving; Carl-Eric Hagentoft; Bjørn Petter Jelle; Egil Rognvik; Angela Sasic Kalagasidis; Berit Time


Energy and Buildings | 2014

Retrofitting of a listed brick and wood building using vacuum insulation panels on the exterior of the facade: Measurements and simulations

Pär Johansson; Carl-Eric Hagentoft; Angela Sasic Kalagasidis

Collaboration


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Carl-Eric Hagentoft

Chalmers University of Technology

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Pär Johansson

Chalmers University of Technology

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Filip Johnsson

Chalmers University of Technology

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Érika Mata

Chalmers University of Technology

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Carsten Rode

Technical University of Denmark

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Bijan Adl-Zarrabi

Chalmers University of Technology

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Helén Jansson

Chalmers University of Technology

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Kaj Pettersson

Chalmers University of Technology

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