Shape Memory Polymer Foam for Autonomous Climate-Adaptive Building Envelopes
Auteur(s): |
Mario Walter
Kristin Lengsfeld David Borschewski Stefan Albrecht Philipp Kölsch Thorsten Pretsch Martin Krus Susanne Lehmann-Brauns |
---|---|
Médium: | article de revue |
Langue(s): | anglais |
Publié dans: | Buildings, 1 décembre 2022, n. 12, v. 12 |
Page(s): | 2236 |
DOI: | 10.3390/buildings12122236 |
Abstrait: |
Reducing the continuously growing cooling energy demand of buildings is an important part of achieving global emission targets. Here, we present an innovative scenario of how the integration of a programmable material into a climate-adaptive building envelope (CABE) can create an energy-efficient thermal management system inherent to the material. This novel concept is based on a thermoresponsive shape memory polymer foam (SMP) and is designed to regulate the flow of ambient air through the building envelope in order to enable natural cooling of the structure. Hygrothermal simulation data obtained by the software WUFI® Plus indicate that significant cooling energy saving potential may be accessible with this type of concept. As a possible material basis for a corresponding adaptive element, a reactive foamed polyurethane-based SMP foam is proposed, which is capable of executing a thermoreversible shape change of more than 20% while having a suitable switching temperature range. Finally, the ecological impact of such a functional foam element is evaluated in detail as well as its influence on the overall balance of a façade construction by means of a life cycle assessment (LCA). |
Copyright: | © 2022 by the authors; licensee MDPI, Basel, Switzerland. |
License: | Cette oeuvre a été publiée sous la license Creative Commons Attribution 4.0 (CC-BY 4.0). Il est autorisé de partager et adapter l'oeuvre tant que l'auteur est crédité et la license est indiquée (avec le lien ci-dessus). Vous devez aussi indiquer si des changements on été fait vis-à-vis de l'original. |
3.98 MB
- Informations
sur cette fiche - Reference-ID
10712252 - Publié(e) le:
21.03.2023 - Modifié(e) le:
10.05.2023