{"id":4496,"date":"2022-03-24T14:54:34","date_gmt":"2022-03-24T14:54:34","guid":{"rendered":"https:\/\/arcora.ab-media.fr\/hemera-le-premier-systeme-de-protection-solaire-actionne-par-un-fil-en-alliage-de-forme\/"},"modified":"2025-11-21T14:17:39","modified_gmt":"2025-11-21T14:17:39","slug":"hemera-le-premier-systeme-de-protection-solaire-actionne-par-un-fil-en-alliage-de-forme","status":"publish","type":"post","link":"https:\/\/arcora.ab-media.fr\/en\/hemera-le-premier-systeme-de-protection-solaire-actionne-par-un-fil-en-alliage-de-forme\/","title":{"rendered":"H\u00e9m\u00e9ra, the First Solar Shading System Actuated by a Shape Memory Alloy Wire"},"content":{"rendered":"<p><strong>Apr\u00e8s 3 ans de recherche, Arcora pr\u00e9sente H\u00e9m\u00e9ra, un nouveau syst\u00e8me silencieux, compact et autonome, d\u00e9velopp\u00e9 avec les chercheurs du laboratoires Navier de l\u2019Ecole des Ponts ParisTech.<\/strong><\/p>\n<p>Il s\u2019agit du premier syst\u00e8me de protection solaire actionn\u00e9 par un fil en alliage de forme. Ce d\u00e9veloppement correspond \u00e0 l\u2019ambition d\u2019Arcora de proposer des solutions techniques responsables tout en offrant des atouts architecturaux et r\u00e9pond \u00e0 l\u2019exigence environnementale grandissante et l\u00e9gitime, traduite notamment par l\u2019arriv\u00e9e de la RE2020.<\/p>\n<p>A l\u2019heure o\u00f9 la protection de la plan\u00e8te est un imp\u00e9ratif absolu, Arcora consid\u00e8re le respect de l\u2019environnement comme un moteur pour cr\u00e9er des alternatives plus responsables. Emmanuel Viglino, Directeur d\u2019Arcora commente :<\/p>\n<p>\u00ab Nous entamons un nouveau chapitre dans la d\u00e9marche de recherche et d\u00e9veloppement d\u2019Arcora, en relevant l\u2019ambitieux d\u00e9fi scientifique et technique de concevoir un syst\u00e8me de protection solaire performant, durable, et silencieux. H\u00e9m\u00e9ra permet ainsi de d\u00e9velopper une comp\u00e9tence industrielle, faire \u00e9voluer l\u2019architecture avec un syst\u00e8me compact, tout en favorisant la transition environnementale. \u00bb<\/p>\n<h3>L\u2019AMF &#8211; un seul fil pour actionn<\/h3>\n<p data-path-to-node=\"2\"><b>H\u00e9m\u00e9ra, the First Solar Shading System Actuated by a Shape Memory Alloy Wire<\/b><\/p>\n<p data-path-to-node=\"3\">After 3 years of research, Arcora presents H\u00e9m\u00e9ra, a new silent, compact, and autonomous system, developed with researchers from the Navier laboratory at \u00c9cole des Ponts ParisTech. It is the first solar shading system actuated by a shape memory alloy wire. This development aligns with Arcora&#8217;s ambition to offer responsible technical solutions while providing architectural benefits, and meets growing and legitimate environmental demands, reflected notably by the arrival of the RE2020 regulations.<\/p>\n<p data-path-to-node=\"4\">At a time when protecting the planet is an absolute imperative, Arcora sees respect for the environment as a driving force for creating more responsible alternatives. Emmanuel Viglino, Director of Arcora, comments: &#8220;We are beginning a new chapter in Arcora&#8217;s research and development approach by taking on the ambitious scientific and technical challenge of designing a high-performance, sustainable, and silent solar shading system. H\u00e9m\u00e9ra thus allows us to develop industrial competence, evolve architecture with a compact system, while fostering the environmental transition.&#8221;<\/p>\n<p data-path-to-node=\"5\"><b>SMA \u2013 A Single Wire to Actuate an Entire System<\/b> Composed of a nickel-titanium (NiTi) alloy, Shape Memory Alloys (SMA) are frequently used in the biomedical industry (implants, orthopedic staples, wires for orthodontic appliances, kidney stone baskets, or stents), or in watchmaking as springs in watch mechanisms. These alloys possess two exceptional properties: super-elasticity, which can reach ten times that of steel, and shape memory, as they have the capacity to return to their initial shape, meaning they &#8220;remember&#8221; the thermomechanical treatments they have undergone. Their exceptional properties were the subject of a thesis conducted since 2015 by Philippe Hannequart, PhD and R&amp;D Officer at Arcora, which led to H\u00e9m\u00e9ra, a mobile solar shading system with louvers actuated solely by the force of the shape memory alloy wire, stimulated by external temperatures. The system is energy-autonomous thanks to louvers equipped with ASCA\u00ae photovoltaic films composed of organic polymers. Emmanuel Viglino specifies: &#8220;We are convinced that implementing virtuous solar shading systems is an essential condition for limiting carbon footprint while guaranteeing user comfort. The addition of photovoltaic louvers is a considerable asset for the system&#8217;s energy autonomy.&#8221;<\/p>\n<p data-path-to-node=\"6\"><b>Research Support and Guidance<\/b> Jean-Fran\u00e7ois Caron, Michael Peigney, and Olivier Baverel, researchers at the Navier laboratory, supported Philippe Hannequart throughout his research work as part of his thesis hosted by Arcora and supported by the Ing\u00e9rop group within its innovation initiative. Philippe Hannequart comments: &#8220;Curiosity and the desire to understand the properties of the shape memory alloy and its effects brought Arcora and the Navier laboratory together, and this collaboration allowed us to increase our knowledge and concretely envision its application.&#8221;<\/p>\n<p data-path-to-node=\"7\">Moving from research to industrial application was a challenge met thanks to the pooling of research conducted with the Navier laboratory team, Arcora&#8217;s support throughout the thesis, and the expertise of Wicona, a designer-manufacturer specializing in aluminum fa\u00e7ade and joinery construction systems. Philippe Hannequart adds: &#8220;Thanks to Wicona, we were able to evaluate the proof of concept through a concrete application. This is proof of the essential nature of engineering in resolving current environmental challenges, and this effort must be deployed more broadly to contribute to a more sustainable world.&#8221;<\/p>\n<p data-path-to-node=\"8\"><b>ArEx \u2013 User Comfort Assessment<\/b> Arcora set up ArEx, a shipping container, to present the H\u00e9m\u00e9ra system regardless of its exhibition location, while evaluating user comfort. The container was redesigned with the aim of offering a pleasant demonstration space while rationalizing carbon impact. Indeed, in addition to the dynamic solar shading system, visitors&#8217; hygrothermal comfort is ensured by a reversible heat pump, a linear diffuser (Koolair DF-47 type), and a battery recharged by the photovoltaic production of the louvers, which powers all equipment. Arcora&#8217;s teams chose to optimize design and layout solutions to reduce the carbon footprint. Thus, fa\u00e7ade elements provided by Wicona are made of recycled aluminum, the interior parquet comes from reused windows from a school located in La Courneuve (93), and finally, a natural ventilation system regulates the interior temperature for maximum user comfort, regulated by an energy-autonomous system.<\/p>\n<p data-path-to-node=\"9\"><b>A Committed Carbon Approach<\/b> Thanks to its partnership with \u00c9cole des Ponts ParisTech, Arcora reinforces its commitment to offering responsible solutions for a better shared future. Aware of the environmental urgency, Arcora takes its role as a designer of the transition toward more sustainable buildings to heart, and H\u00e9m\u00e9ra-ArEx is fully in line with our commitments. Furthermore, for several years, Arcora has developed a carbon weight calculation tool taking into account the numerous data points of the fa\u00e7ade package to assess impact as accurately as possible. &#8220;In Arcora&#8217;s DNA, with over 45 years of experience, there is a will to be a driving force in technical design solutions. We are aware that it is urgent to respond to climate change challenges, which is why, well before the RE2020, we decided to act to reduce the impacts of our solutions and contribute to a virtuous environment. Our model relies on a long-term vision that stimulates innovation and excellence\u2014drivers of Arcora&#8217;s success\u2014allowing us to enrich our multi-criteria approach to performance and support our partners in developing more virtuous projects, notably with a reasoned use of wood in fa\u00e7ade and envelope design.&#8221;<\/p>\n<p><a href=\"https:\/\/arcora.ab-media.fr\/pdf\/\" target=\"_blank\" rel=\"noopener\">Click here to read the full article.<\/a><\/p>\n<p>To learn more, the presentation file is available <a href=\"https:\/\/issuu.com\/arcora2021\/docs\/brochure-hemera\"><strong><span style=\"text-decoration: underline;\">here<\/span><\/strong><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s 3 ans de recherche, Arcora pr\u00e9sente H\u00e9m\u00e9ra, un nouveau syst\u00e8me silencieux, compact et autonome, d\u00e9velopp\u00e9 avec les chercheurs du laboratoires Navier de l\u2019Ecole des Ponts ParisTech. Il s\u2019agit du premier syst\u00e8me de protection solaire actionn\u00e9 par un fil en alliage de forme. Ce d\u00e9veloppement correspond \u00e0 l\u2019ambition d\u2019Arcora de proposer des solutions techniques responsables&hellip;<\/p>\n","protected":false},"author":5,"featured_media":3220,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[112],"tags":[172,178,185],"class_list":["post-4496","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-leaflets","tag-facade-bas-carbone","tag-innovation-technique","tag-protection-solaire"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>H\u00e9m\u00e9ra, the First Solar Shading System Actuated by a Shape Memory Alloy Wire - Arcora<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u00e9m\u00e9ra, the First Solar Shading System Actuated by a Shape Memory Alloy Wire - Arcora\" \/>\n<meta property=\"og:description\" content=\"Apr\u00e8s 3 ans de recherche, Arcora pr\u00e9sente H\u00e9m\u00e9ra, un nouveau syst\u00e8me silencieux, compact et autonome, d\u00e9velopp\u00e9 avec les chercheurs du laboratoires Navier de l\u2019Ecole des Ponts ParisTech. Il s\u2019agit du premier syst\u00e8me de protection solaire actionn\u00e9 par un fil en alliage de forme. 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