{"id":21615,"date":"2015-12-04T14:12:24","date_gmt":"2015-12-04T14:12:24","guid":{"rendered":"https:\/\/www.pbctoday.co.uk\/news\/?p=21615"},"modified":"2015-12-04T14:12:24","modified_gmt":"2015-12-04T14:12:24","slug":"insulating-liquid-project-boosts-energy-efficiency","status":"publish","type":"post","link":"https:\/\/www.pbctoday.co.uk\/news\/energy-news\/insulating-liquid-project-boosts-energy-efficiency\/21615\/","title":{"rendered":"Insulating liquid project boosts energy efficiency"},"content":{"rendered":"<h2><span>Researchers are developing windows that provide highly efficient solar energy and heat by using insulating liquid\u2026<\/span><\/h2>\n<p>The European Commission\u2019s flagship research fund Horizon 2020 is supporting researchers to develop large-area fluidic windows to harvest solar energy and manage heat exchange.<\/p>\n<p>The project, LAWIN (large-area fluidic windows), aims to build upon the energy efficiency performance of triple-glazed windows through this novel approach.<\/p>\n<p>The windows use fluid contained in microchannels to control the temperature. The fluid is able to automatically adjust the amount of light or to harvest exterior heat, which is then transported to a heat pump.<\/p>\n<p>Current prototypes use aqueous solutions, but researchers said any fluid with heat exchange properties could be used. In the future, it is hoped further functionalities, such as polychromatism (the fluid\u2019s optical absorption properties in relation to the magnitude of incident relation) could be used.<\/p>\n<p>Coordinator of the project Professor Lothar Wondraczek, of the University of Jena\u2019s Otto Schott <a href=\"http:\/\/www.osim.uni-jena.de\/en\/OSIM.html\" target=\"_blank\"><span>Institute of Materials Research<\/span><\/a> (OSIM) said: \u201cEssentially, we want to enclose a building in a layer of liquid and control the temperature.\u201d<\/p>\n<p>The project\u2019s windows and fa\u00e7ade are based on four types of new materials:<\/p>\n<ul>\n<li>Low-cost thin and strong cover glasses<\/li>\n<li>Microstructured rolled glasses of architectural quality<\/li>\n<li>A glass-glass compound comprising microfluidic channels<\/li>\n<li>A heat storage liquid designed for transparency and\/or active functionality in fa\u00e7ade and window implementation<\/li>\n<\/ul>\n<p>It is hoped the design will reduce embodied energy and CO2 levels to zero for window surfaces after four months of usage.<\/p>\n<p>Additionally, LAWIN hopes to improve thermal insulation figures for window surfaces by at least 20 per cent, while reducing the energy used during the life cycle of a building by 10 per cent.<\/p>\n<p>Professor Wondraczek said: \u201cThe most important thing is the large-scale production process.<\/p>\n<p>\u201cIntegrating the technology into the conventional process used to manufacture triple glazed windows is a key objective.\u201d<\/p>\n<p>A final prototype will be produced on a semi-industrial scale by 2017 to test the technology. In the meantime the researchers need to overcome one issue: wavy glass.<\/p>\n<p>The method to create the product comprises of embossing one millimetre wide microchannels in glass and then laminating the glass to another piece. However, the rolling process that does this creates inherently wavy glass. The project\u2019s researchers are overcoming this by developing a new processing equipment that can create a high quality piece of flat glass.<\/p>\n<p>\u201cA big challenge is to provide the windows at very low cost in a large size,\u2019 added Professor Wondraczek.<\/p>\n<p>Currently, the demonstration prototype is 0.25-0.5 m2, but it is hoped the final product would be nearer 2m2.<\/p>\n<p>In 2017, the prototype will be installed in model buildings in north and southern Europe to test it in different climates.<\/p>\n<p>While it is expected the high-end version of the product would cost 2.5 times more than top quality triple glazed windows, the researchers said the energy savings would offset this.<\/p>\n<p>Members of LAWIN consortium said the windows could reduce CO2 levels by at least 123,000 tons and replace at least two per cent of window furnaces across Europe.<\/p>\n<div class=\"mk-custom-module-container\">\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Researchers are developing windows that provide highly efficient solar energy and heat by using insulating liquid\u2026 The European Commission\u2019s flagship research fund Horizon 2020 is supporting researchers to develop large-area fluidic windows to harvest solar energy and manage heat exchange. The project, LAWIN (large-area fluidic windows), aims to build upon the energy efficiency performance of [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[307],"tags":[],"stakeholder_rel_tag":[],"contributor_rel_tag":[],"class_list":{"0":"post-21615","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-energy-news"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.9 (Yoast SEO v26.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Insulating liquid project boosts energy efficiency | Planning, Building &amp; Construction Today<\/title>\n<meta name=\"description\" content=\"Researchers are developing windows that provide highly efficient solar energy and heat by using insulating liquid\u2026\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pbctoday.co.uk\/news\/energy-news\/insulating-liquid-project-boosts-energy-efficiency\/21615\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Insulating liquid project boosts energy efficiency\" \/>\n<meta property=\"og:description\" content=\"Researchers are developing windows that provide highly efficient solar energy and heat by using insulating liquid\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pbctoday.co.uk\/news\/energy-news\/insulating-liquid-project-boosts-energy-efficiency\/21615\/\" \/>\n<meta property=\"og:site_name\" content=\"Planning, Building &amp; 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