Article (Périodiques scientifiques)
Embedding intelligence in materials for responsive built environment: A topical review on Liquid Crystal Elastomer actuators and sensors
Schwartz, Mathew; LAGERWALL, Jan
2022In Building and Environment, 226, p. 109714
Peer reviewed vérifié par ORBi
 

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Mots-clés :
liquid crystal elastomers; structural health monitoring; strain sensing; soft actuation; kinetic buildings; situational awareness; embedded control; cholesteric liquid crystals; actuators; responsive materials; shape memory polymers
Résumé :
[en] Liquid Crystal Elastomers (LCEs) are an exciting category of material that has tremendous application potential across a variety of fields, owing to their unique properties that enable both sensing and actuation. To some, LCEs are simply another type of Shape Memory Polymer, while to others they are an interesting on-going scientific experiment. In this visionary article, we bring an interdisciplinary discussion around creative and impactful ways that LCEs can be applied in the Built Environment to support kinematic and kinetic buildings and situational awareness. We focus particularly on the autonomy made possible by using LCEs, potentially removing needs for motors, wiring and tubing, and even enabling fully independent operation in response to natural environment variations, requiring no power sources. To illustrate the potential, we propose a number of concrete application scenarios where LCEs could offer innovative solutions to problems of great societal importance, such as autonomous active ventilation, heliotropic solar panel systems which can also remove snow or sand autonomously, and invisible coatings with strain mapping functionality, alerting residents in case of dangerous (static or dynamic) loads on roofs or windows, as well as assisting building safety inspection teams after earthquakes.
Disciplines :
Ingénierie, informatique & technologie: Multidisciplinaire, généralités & autres
Physique
Architecture
Science des matériaux & ingénierie
Auteur, co-auteur :
Schwartz, Mathew;  New Jersey Institute of Technology
LAGERWALL, Jan  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)
Co-auteurs externes :
yes
Langue du document :
Anglais
Titre :
Embedding intelligence in materials for responsive built environment: A topical review on Liquid Crystal Elastomer actuators and sensors
Date de publication/diffusion :
18 octobre 2022
Titre du périodique :
Building and Environment
ISSN :
0360-1323
eISSN :
1873-684X
Maison d'édition :
Elsevier, Oxford, Royaume-Uni
Volume/Tome :
226
Pagination :
109714
Peer reviewed :
Peer reviewed vérifié par ORBi
Focus Area :
Physics and Materials Science
Projet européen :
H2020 - 648763 - INTERACT - Intelligent Non-woven Textiles and Elastomeric Responsive materials by Advancing liquid Crystal Technology
Organisme subsidiant :
CE - Commission Européenne
European Union
Disponible sur ORBilu :
depuis le 05 janvier 2023

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