Large area, stretchable, wearable, screen-printed carbon heaters for use in elite sport / Andrew Claypole in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 20, N° 1 (01/2023)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 20, N° 1 (01/2023) . - p. 261-273 Titre : Large area, stretchable, wearable, screen-printed carbon heaters for use in elite sport Type de document : texte imprimé Auteurs : Andrew Claypole, Auteur ; James Claypole, Auteur ; Jonathan Leeder, Auteur ; Greg Stevens, Auteur ; Fiona Johnson, Auteur ; Neil Bezodis, Auteur ; Matt Parker, Auteur ; Tim Claypole, Auteur ; David Gethin, Auteur ; Liam Kilduff, Auteur Année de publication : 2023 Article en page(s) : p. 261-273 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Caractérisation Carbone Chauffage électrique Electronique imprimée Encre Essais (technologie) Essais dynamiques Films plastiques étirables Nanoparticules Sérigraphie Traction (mécanique) Vêtements de sport Index. décimale : 667.9 Revêtements et enduits Résumé : Stretchable, nanocarbon heaters were screen-printed onto a stretchable film to create a passive heat maintenance device for elite sport. The heat uniformity and the temperature performance of these lightweight, large area electrothermal heaters were evaluated over a range of applied voltages using thermal imaging. The heaters provided a uniform heat over the 15 × 4 cm area with temperatures of 39°C, 54°C, and 72°C at 10, 15, and 20 V, respectively, within 150 s of being switched on. Tensile testing was used to examine the performance of the heaters under strain. At 20% nominal strain, the heaters gave a uniform heat output and a temperature of 44°C at 15 V, making it a promising candidate for wearable applications. The heaters were capable of maintaining temperatures of 40°C over 10 cyclic strains up to 10% nominal strain. The heaters were integrated into a proof-of-concept stretchable base-layer garment, with the effect of the heaters on skin temperature measured and thermal sensation evaluated during a simulated training session in an environmental chamber at an ambient temperature 0°C. The printed heaters maintained skin temperature and thermal sensation when compared with an unheated control. Note de contenu : - MATERIALS AND METHODS : Ink manufacture - Heater construction for electromechanical testing - Heater characterization - Cold chamber testing of proof of concept garment - RESULTS : Heater performance - Development and testing of proof-of-concept heated garment for sprint canoeist DOI : https://doi.org/10.1007/s11998-022-00666-2 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-022-00666-2.pdf?pdf=button% [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38841 [article]

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