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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
Artikel, Zweitveröffentlichung, Verlagsversion

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Kurzbeschreibung (Abstract)

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.

Typ des Eintrags: Artikel
Erschienen: 2023
Autor(en): Caggiano, Antonio ; Mankel, Christoph ; Koenders, Eddie
Art des Eintrags: Zweitveröffentlichung
Titel: Reviewing Theoretical and Numerical Models for PCM-embedded Cementitious Composites
Sprache: Englisch
Publikationsjahr: 21 November 2023
Ort: Darmstadt
Publikationsdatum der Erstveröffentlichung: 2018
Ort der Erstveröffentlichung: Basel
Verlag: MDPI
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Buildings
Jahrgang/Volume einer Zeitschrift: 9
(Heft-)Nummer: 1
Kollation: 26 Seiten
DOI: 10.26083/tuprints-00016402
URL / URN: https://tuprints.ulb.tu-darmstadt.de/16402
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Herkunft: Zweitveröffentlichung DeepGreen
Kurzbeschreibung (Abstract):

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.

Freie Schlagworte: phase change materials, PCM-concrete, thermal behavior, numerical techniques, latent and sensible thermal energy storage
Status: Verlagsversion
URN: urn:nbn:de:tuda-tuprints-164029
Sachgruppe der Dewey Dezimalklassifikatin (DDC): 600 Technik, Medizin, angewandte Wissenschaften > 624 Ingenieurbau und Umwelttechnik
Fachbereich(e)/-gebiet(e): 13 Fachbereich Bau- und Umweltingenieurwissenschaften
13 Fachbereich Bau- und Umweltingenieurwissenschaften > Institut für Werkstoffe im Bauwesen
Hinterlegungsdatum: 21 Nov 2023 13:42
Letzte Änderung: 23 Nov 2023 10:13
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