Weather-responsive adaptive shading through biobased and bioinspired hygromorphic 4D-printing
Abstract: In response to the global challenge of reducing carbon emissions and energy consumption from regulating indoor climates, we investigate the applicability of biobased cellulosic materials and bioinspired 4D-printing for weather-responsive adaptive shading in building facades. Cellulose is an abundantly available natural material resource that exhibits hygromorphic actuation potential when used in 4D-printing to emulate motile plant structures in bioinspired bilayers. Three key aspects are addressed: (i) examining the motion response of 4D-printed hygromorphic bilayers to both temperature and relative humidity, (ii) verifying the responsiveness of self-shaping shading elements in lab-generated conditions as well as under daily and seasonal weather conditions for over a year, and (iii) deploying the adaptive shading system for testing in a real building facade by upscaling the 4D-printing manufacturing process. This study demonstrates that hygromorphic bilayers can be utilized for weather-responsive facades and that the presented system is architecturally scalable in quantity. Bioinspired 4D-printing and biobased cellulosic materials offer a resource-efficient and energy-autonomous solution for adaptive shading, with potential contributions towards indoor climate regulation and climate change mitigation
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Notes
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Nature communications. - 15, 1 (2024) , 10366, ISSN: 2041-1723
- Event
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Veröffentlichung
- (where)
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Freiburg
- (who)
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Universität
- (when)
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2024
- Creator
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Cheng, Tiffany
Tahouni, Yasaman
Sahin, Ekin Sila
Ulrich, Kim
Lajewski, Silvia
Bonten, Christian
Wood, Dylan
Rühe, Jürgen
Speck, Thomas
Menges, Achim
- Contributor
- DOI
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10.1038/s41467-024-54808-8
- URN
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urn:nbn:de:bsz:25-freidok-2604546
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:33 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Cheng, Tiffany
- Tahouni, Yasaman
- Sahin, Ekin Sila
- Ulrich, Kim
- Lajewski, Silvia
- Bonten, Christian
- Wood, Dylan
- Rühe, Jürgen
- Speck, Thomas
- Menges, Achim
- Albert-Ludwigs-Universität Freiburg. Botanischer Garten
- Albert-Ludwigs-Universität Freiburg. Freiburger Zentrum für interaktive Werkstoffe und bioinspirierte Technologien
- Freiburger Material-Forschungszentrum
- Universität
Time of origin
- 2024
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