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Reviewing Theoretical and Numerical Models for PCM-embedded Cementitious Composites

Caggiano, Antonio ; Mankel, Christoph ; Koenders, Eddie (2023)
Reviewing Theoretical and Numerical Models for PCM-embedded Cementitious Composites.
In: Buildings, 2018, 9 (1)
doi: 10.26083/tuprints-00016402
Article, Secondary publication, Publisher's Version

Copyright Information: CC BY 4.0 International - Creative Commons, Attribution.

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Item Type: Article
Type of entry: Secondary publication
Title: Reviewing Theoretical and Numerical Models for PCM-embedded Cementitious Composites
Language: English
Date: 21 November 2023
Place of Publication: Darmstadt
Year of primary publication: 2018
Place of primary publication: Basel
Publisher: MDPI
Journal or Publication Title: Buildings
Volume of the journal: 9
Issue Number: 1
Collation: 26 Seiten
DOI: 10.26083/tuprints-00016402
Corresponding Links:
Origin: Secondary publication DeepGreen

Accumulating solar and/or environmental heat in walls of apartment buildings or houses is a way to level-out daily temperature differences and significantly cut back on energy demands. A possible way to achieve this goal is by developing advanced composites that consist of porous cementitious materials with embedded phase change materials (PCMs) that have the potential to accumulate or liberate heat energy during a chemical phase change from liquid to solid, or vice versa. This paper aims to report the current state of art on numerical and theoretical approaches available in the scientific literature for modelling the thermal behavior and heat accumulation/liberation of PCMs employed in cement-based composites. The work focuses on reviewing numerical tools for modelling phase change problems while emphasizing the so-called Stefan problem, or particularly, on the numerical techniques available for solving it. In this research field, it is the fixed grid method that is the most commonly and practically applied approach. After this, a discussion on the modelling procedures available for schematizing cementitious composites with embedded PCMs is reported.

Uncontrolled Keywords: phase change materials, PCM-concrete, thermal behavior, numerical techniques, latent and sensible thermal energy storage
Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-164029
Classification DDC: 600 Technology, medicine, applied sciences > 624 Civil engineering and environmental protection engineering
Divisions: 13 Department of Civil and Environmental Engineering Sciences > Institute of Construction and Building Materials
Date Deposited: 21 Nov 2023 13:42
Last Modified: 23 Nov 2023 13:26
SWORD Depositor: Deep Green
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/16402
PPN: 513400168
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