ETS Rafale II student team builds carbon/epoxy C-Class hydrofoil catamaran / Jon Stowell in JEC COMPOSITES MAGAZINE, N° 124 (10/2018)  

[article]  inJEC COMPOSITES MAGAZINE > N° 124 (10/2018) . - p. 42-45 Titre : ETS Rafale II student team builds carbon/epoxy C-Class hydrofoil catamaran Type de document : texte imprimé Auteurs : Jon Stowell, Auteur Année de publication : 2018 Article en page(s) : p. 42-45 Langues : Anglais (eng) Catégories : Bateaux -- Conception et construction Bateaux -- Matériaux Chauffage -- Appareils et matériels Chauffage électrique Composites à fibres de carbone Epoxydes Index. décimale : 668.4 Plastiques, vinyles Résumé : A team of 16 undergraduate and MSc. engineering students from the ETS (Ecole de Technologie Supérieure) in Montréal, Canada, recently finished building Rafale II, an all-composite C-Class racing hydrofoil catamaran. Rafale II features redesigned carbon fibre/epoxy prepreg hulls and cross beams, wich are stiffer, 25% lighter and provide 15% more displacement volume. The speed and handling were also improved by designing lighter, stronger and better performing pairs of new epoxy/carbon fibre L-foil daggerboards and T-section rudder hydrofoils, wich provide a higher "lift/drag" ratio and greater stability when hydrofoiling. Note de contenu : - Low-budget, high-tech project challenges - Fastener-free assembly - Creative tooling - C-Class origins - Morphing wingsail design - Future aspirations - Figures : FEM of the new carbon fibre/epoxy hull design - Heated hull mould under construction - Finished heated hull mould with Crestomer 1152PA in the corners - Assembled new carbon fibre/epoxy hull for Rafale II - Close up - Assembly of Rafale II new carbon/epoxy hull halves bonded with Crestabond M1-30 - The original Rafale I symmetric "morphing" wingsail under construction - Rafale II in action on the water during the February 2018 US foiling week regatta - Hydrofoiling close up En ligne : https://drive.google.com/file/d/1uCTHmOm6WjquDGtbqsbE_fB3Gp3BZET-/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31652 [article]

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Heating system for composite applications / Reinier Jansen in JEC COMPOSITES MAGAZINE, N° 87 (03/2014)

[article]  inJEC COMPOSITES MAGAZINE > N° 87 (03/2014) . - p. 58 Titre : Heating system for composite applications Type de document : texte imprimé Auteurs : Reinier Jansen, Auteur Année de publication : 2014 Article en page(s) : p. 58 Langues : Anglais (eng) Catégories : Chauffage électrique Composites à fibres -- Additifs Conduction électrique Epoxydes Matériaux -- Imprégnation Nontissés Polyesters Textiles et tissus à usages techniques Index. décimale : 668.4 Plastiques, vinyles Résumé : Lantor, based in Veenendaal (NL), specializes in flexible core solutions for the composite industry and is offering an ever expanding range of product innovations servicing both traditional Coremat and Soric markets but also covering new application areas. Many of these products combine traditional benefits such as weight saving and surface quality improvement with additional features. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=22978 [article]

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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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A study comparing electric, oil and pressurised water heating for composite moulding / Kip Petrykowski in JEC COMPOSITES MAGAZINE, N° 75 (08-09/2012)

[article]  inJEC COMPOSITES MAGAZINE > N° 75 (08-09/2012) . - p. 42-47 Titre : A study comparing electric, oil and pressurised water heating for composite moulding Type de document : texte imprimé Auteurs : Kip Petrykowski, Auteur ; Jim Fisher, Auteur Année de publication : 2012 Article en page(s) : p. 42-47 Langues : Anglais (eng) Catégories : Chauffage -- Appareils et matériels Chauffage au mazout Chauffage électrique Eau -- Utilisation Hautes pressions Matières plastiques -- Moulage par injection -- Appareils et matériel Index. décimale : 668.4 Plastiques, vinyles Résumé : Electric cartridge heaters have been used for many years to heat composite moulds. They are easy to install and operate and thus make a logical choice. Unfortunately, they consume large amounts of electricity to operate, do not offer cooling and are notorious for inconsistent heating. Oil heating has been used to heat and cool composite moulds for an equally long period, primarily as a carry-over from its use in other plant equipment and plant heating. However, it is very slow to build temperature, consumes large amounts of electricity and does not fit with the modern "greener" philosophy of manufacturing. Due to the inherent energy savings, high temperature spectrum, precise temperature control and fast ramp rates, pressurized water offers numerous advantages over both systems when applied to composite moulding. Note de contenu : - EXPERIMENTATION : Test parameters for oils versus pressurized water - Goal - Comments - Experimental procedure - RESULTS : Oil versus pressurized water - Electric cartridge heaters versus pressurized water Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=16276 [article]

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