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Overheating mitigation in buildings: a computational exploration of the potential of phase change materials

Hodzic, N; Pont, U; Tahmasebi, F; Mahdavi, A; (2019) Overheating mitigation in buildings: a computational exploration of the potential of phase change materials. In: Cerny, R and Koci, J and Koci, V, (eds.) MATEC Web of Conferences. (pp. 02028). E D P SCIENCES: Prague, Czech Republic. Green open access

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Abstract

Phase change materials (PCMs) can store and release thermal energy. The energy is stored when the material goes through a solid-toliquid phase change, and released in the reverse process. Such materials can contribute to the mitigation of overheating in buildings, if their melting and solidification temperatures are in a suitable range. The present contribution entails a computational examination of this potential as relevant to overheating mitigation in typical residential units in the Central European context of Vienna, Austria. Thereby, multiple variations of PCM application (size, thickness, location, and application thickness) under different contextual settings (fenestration and insulation, boundary conditions in terms of weather) were simulated and comparatively evaluated. Results indicate that certain PCM application configurations can significantly influence indoor thermal condition. For instance, PCM elements with larger surface areas displayed a more pronounced effect as compared to bulkier elements with smaller surface areas. Likewise, ceilingintegrated PCM application was found to be more effective that those involving other room surfaces. The results also highlight the importance of rooms ventilation regime if the PCM application potential toward overheating mitigation is to be effectively harvested.

Type: Proceedings paper
Title: Overheating mitigation in buildings: a computational exploration of the potential of phase change materials
Event: 4th Central European Symposium on Building Physics (CESBP)
Location: Czech Tech Univ Prague, Fac Civil Engn, Prague, CZECH REPUBLIC
Dates: 02 September 2019 - 05 September 2019
Open access status: An open access version is available from UCL Discovery
DOI: 10.1051/matecconf/201928202028
Publisher version: https://doi.org/10.1051/matecconf/201928202028
Language: English
Additional information: © The Authors, published by EDP Sciences, 2019 Licence Creative Commons This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: Science & Technology, Technology, Construction & Building Technology, Engineering, Industrial, Engineering, THERMAL-ENERGY STORAGE
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10108903
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