{"id":656,"date":"2019-01-30T11:59:57","date_gmt":"2019-01-30T11:59:57","guid":{"rendered":"http:\/\/horizon.peachpuff-wolverine-566518.hostingersite.com\/?p=656"},"modified":"2019-01-30T11:59:57","modified_gmt":"2019-01-30T11:59:57","slug":"under-road-heating-system-to-keep-europes-highways-ice-free","status":"publish","type":"post","link":"https:\/\/scienceblog.com\/horizon\/656\/under-road-heating-system-to-keep-europes-highways-ice-free\/","title":{"rendered":"Under-road heating system to keep Europe\u2019s highways ice-free"},"content":{"rendered":"
\n

Under-road heating that melts ice and snow within 15 minutes and real-time information about icy road conditions could help prevent wintertime accidents.<\/strong><\/h3>\n<\/div>\n
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\n
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Snow and ice can dramatically change the conditions of a road, where slippery surfaces make it harder to keep control of a vehicle, particularly when braking or turning.<\/p>\n

\u2018Once you have cars driving, the dynamics of the ice and snow change (because of the movement of the vehicles), and in a place such as a highway exit, the (risk of) injuries or fatalities goes up,\u2019 said Yonatan Elimelech, a partner at Israeli-based engineering firm SAN Hitech Ltd.<\/p>\n

A project called\u00a0Snowless<\/a>, which Elimelech coordinates, has developed autonomous ice-melting technology for roads and pavements, using a mesh of metal ribbons embedded in the asphalt or concrete surface.<\/p>\n

Sensors monitor temperature changes in the surface material, combining this data with forecast weather conditions and information about the power required to heat the ribbons. By automatically switching on the strips when needed, the system can prevent ice and snow from forming or rapidly eliminate them. It also replaces harmful de-icing materials such as salt, which can damage infrastructure including iron bridges over the long term, grit or toxic anti-freeze chemicals like ethylene glycol.<\/p>\n

The 25mm-wide elements are produced with a metal alloy that provides rapid heating when an electric current is passed through it. The ribbons absorb little heat themselves, but radiate warmth to typically melt problem ice within 15 minutes.<\/p>\n

It can also operate at lower temperatures, down to as cold as -50\u00b0C, such as in Canada, where the system has already been used successfully.<\/p>\n

Hazardous<\/strong><\/p>\n

The system has been used on smaller roads, as well as parking lots and pavements, and has even shown its worth in de-icing sports fields. Other places that can benefit are taxi ranks and airports.<\/p>\n

Snowless is currently optimising its algorithm for use on roads carrying heavier traffic. Elimelech said it had shown to be well suited to use on bridges and highway exits, which are particularly hazardous in poor weather conditions.<\/p>\n

For a new road, the heating elements and sensors are unrolled in a mesh and the asphalt or concrete is then poured on top. For existing roads, a grooving machine cuts slits into the surface, into which the ribbons can be inserted.<\/p>\n

The system\u2019s ability to react instantaneously to changes in weather contributes to its low energy consumption, according to Elimelech.<\/p>\n

\n
\n

‘Once you have cars driving, the dynamics of the ice and snow change, and in a place such as a highway exit, the (risk of) injuries or fatalities goes up.’<\/p>\n

Yonatan Elimelech, SAN Hitech Ltd<\/p>\n<\/blockquote>\n<\/div>\n

\u2018In the future, changes in the energy market will take into account environmental impact, and in addition to our system not relying on fossil fuels, it is also very efficient,\u2019 Elimelech said.<\/p>\n

\u2018Because of its electrical efficiency, it can be powered by renewables,\u2019 he added.<\/p>\n

Drivers can also be alerted to real-time road conditions thanks to new road monitoring systems.<\/p>\n

The Sweden-based\u00a0Klimator-RSI<\/a>\u00a0project aims to measure, model and map such conditions, alert road maintenance teams, or warn motorists.<\/p>\n

Existing highway weather stations on fixed poles, which trace their roots back to the 1970s, can provide a general idea of what things are like on the road, but cannot give enough detail needed to model the road surface.<\/p>\n

Alerts<\/strong><\/p>\n

The RSI system developed by Sweden\u2019s Klimator AB automatically uploads and analyses ground-level data gathered from vehicles connected remotely to a computer network.<\/p>\n

By measuring the rate of spin on each of a vehicle\u2019s wheels \u2013 and the differences between these \u2013 it calculates the road friction to assess the surface conditions.<\/p>\n

\u2018A particularly good thing about this model is that it can take data from a few cars, and by integrating this with details such as the weather, microclimate, the topographical area and other influencing factors, it can extrapolate to build a complete picture of the local conditions,\u2019 said project coordinator Dr Torbj\u00f6rn Gustavsson, who is also chief executive of Klimator AB.<\/p>\n

By crunching the data and overlaying it on a map display, the system can provide alerts to direct road maintenance teams with snowploughs, or grit or salt, to specific roads ahead of peak traffic times. The developers are currently in regular contact with maintenance crews testing the system to assess its effectiveness and make suggestions for improvement.<\/p>\n

Dr Gustavsson said plans include using the data in real time in a mobile phone app, or a vehicle navigation system, whether used by a motorist, or a self-driving car.<\/p>\n

\u2018We are in discussion with autonomous vehicle manufacturers, with a view to integrating the systems into their operation,\u2019 he added.<\/p>\n

While the technology is currently being tested in taxi fleets in Sweden, Norway and Lithuania, the plan is for it to be installed in regular vehicles during production in the future. Klimator hopes for the system to be available on the market as soon as next winter.<\/p>\n

\u2018In the future, this information will be available to the drivers themselves, so they can see what the local risk is \u2013 exactly where they are,\u2019 Dr Gustavsson said.<\/p>\n

The research in this article was funded by the EU. If you liked this article, please consider sharing it on social media.<\/em><\/p>\n

Originally published on Horizon<\/a><\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Under-road heating that melts ice and snow within 15 minutes and real-time information about icy road conditions could help prevent wintertime accidents. Snow and ice can dramatically change the conditions of a road, where slippery surfaces make it harder to keep control of a vehicle, particularly when braking or turning. \u2018Once you have cars driving, … Read more<\/a><\/p>\n","protected":false},"author":321,"featured_media":657,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"generate_page_header":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[11],"tags":[4,119,25,24,28],"class_list":["post-656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth-energy-environment","tag-environment","tag-industry","tag-innovation","tag-science","tag-technology"],"yoast_head":"\nUnder-road heating system to keep Europe\u2019s highways ice-free - Horizon Magazine Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/scienceblog.com\/horizon\/656\/under-road-heating-system-to-keep-europes-highways-ice-free\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Under-road heating system to keep Europe\u2019s highways ice-free\" \/>\n<meta property=\"og:description\" content=\"Under-road heating that melts ice and snow within 15 minutes and real-time information about icy road conditions could help prevent wintertime accidents. 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By Michaela Nesvarova An average temperature of -30\u00b0C and up to 24 hours of darkness a day. Those were the working conditions for a team of EU-funded scientists who spent nine months\u2026","rel":"","context":"In "Earth, Energy & Environment"","block_context":{"text":"Earth, Energy & Environment","link":"https:\/\/scienceblog.com\/horizon\/category\/earth-energy-environment\/"},"img":{"alt_text":"Snow plays a major role in our climate system, but it still holds many unanswered questions. \u00a9 LedyX, Shutterstock.com","src":"https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2024\/12\/19-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2024\/12\/19-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2024\/12\/19-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2024\/12\/19-1.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2024\/12\/19-1.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2024\/12\/19-1.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":1112,"url":"https:\/\/scienceblog.com\/horizon\/1112\/studying-asian-glaciers-provides-glimpse-into-future-of-extremes\/","url_meta":{"origin":656,"position":2},"title":"Studying Asian glaciers provides glimpse into future of extremes","author":"Aisling Irwin","date":"January 13, 2020","format":false,"excerpt":"Scientists may have solved a 25-year-old puzzle about the mysterious behaviour of certain glaciers in High Mountain Asia. In most of this region, they are shrinking; but in the northwest, they are growing. High Mountain Asia includes ranges that span the borders of Afghanistan, Bhutan, Nepal, India, China and Pakistan.\u2026","rel":"","context":"In "Earth, Energy & Environment"","block_context":{"text":"Earth, Energy & Environment","link":"https:\/\/scienceblog.com\/horizon\/category\/earth-energy-environment\/"},"img":{"alt_text":"The region of High Mountain Asia, which includes the Karakoram mountain range, is known as the third pole of the Earth because of the scale of its ice fields. Image credit - Tahakhan021, licensed under CC BY-SA 4.0","src":"https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/karakoram_mountain1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/karakoram_mountain1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/karakoram_mountain1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/karakoram_mountain1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":1103,"url":"https:\/\/scienceblog.com\/horizon\/1103\/most-ice-on-earth-is-very-close-to-melting-conditions\/","url_meta":{"origin":656,"position":3},"title":"‘Most ice on Earth is very close to melting conditions’","author":"Steve Gillman","date":"January 6, 2020","format":false,"excerpt":"We need to understand how glaciers are shrinking in order to better adapt to climate change impacts such as changes to water supply, landslides and avalanches, says Professor Andreas K\u00e4\u00e4b, a glacier expert from the University of Oslo in Norway.\u00a0 Measuring ice melt and the unprecedented changes in our cryosphere\u2026","rel":"","context":"In "Earth, Energy & Environment"","block_context":{"text":"Earth, Energy & Environment","link":"https:\/\/scienceblog.com\/horizon\/category\/earth-energy-environment\/"},"img":{"alt_text":"Even if we change our emissions now, we are committed to a lot of ice melt, says Prof. K\u00e4\u00e4b. Image credit - Sharada Prasad CS, licensed under CC BY 2.0","src":"https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/glacial_metl_himalayas.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/glacial_metl_himalayas.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/glacial_metl_himalayas.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/glacial_metl_himalayas.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/glacial_metl_himalayas.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2020\/01\/glacial_metl_himalayas.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":584,"url":"https:\/\/scienceblog.com\/horizon\/584\/the-arctic-faces-substantial-changes-even-if-we-meet-climate-targets-marianne-kroglun\/","url_meta":{"origin":656,"position":4},"title":"The Arctic faces substantial changes even if we meet climate targets \u2013 Marianne Kroglun","author":"Steve Gillman","date":"December 3, 2018","format":false,"excerpt":"Melting sea ice, plastic waste, biodiversity loss \u2013 the Arctic is facing unprecedented environmental pressure and will continue to change until 2050 even if we meet targets to limit global warming, according to Marianne Kroglund from the Arctic Council, an intergovernmental forum addressing the challenges faced by Arctic governments and\u2026","rel":"","context":"In "Earth, Energy & Environment"","block_context":{"text":"Earth, Energy & Environment","link":"https:\/\/scienceblog.com\/horizon\/category\/earth-energy-environment\/"},"img":{"alt_text":"Image credit - Christine Zenino","src":"https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2018\/12\/Greenland_Ice_Sheet_3970865344.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2018\/12\/Greenland_Ice_Sheet_3970865344.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2018\/12\/Greenland_Ice_Sheet_3970865344.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2018\/12\/Greenland_Ice_Sheet_3970865344.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2018\/12\/Greenland_Ice_Sheet_3970865344.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/scienceblog.com\/horizon\/wp-content\/uploads\/sites\/4\/2018\/12\/Greenland_Ice_Sheet_3970865344.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":1122,"url":"https:\/\/scienceblog.com\/horizon\/1122\/deep-antarctic-drilling-will-reveal-climate-secrets-trapped-in-1-5-million-year-old-ice\/","url_meta":{"origin":656,"position":5},"title":"Deep Antarctic drilling will reveal climate secrets trapped in 1.5 million-year-old ice","author":"Horizon Magazine","date":"January 20, 2020","format":false,"excerpt":"by Richard Gray\u00a0 An ambitious mission to drill into the Antarctic ice sheet to extract some of the oldest ice on the planet will provide vital clues about a mysterious shift in the behaviour of our planet\u2019s climate. Drilling into the ice of Antarctica is like going back in time.\u2026","rel":"","context":"In "Earth, Energy & Environment"","block_context":{"text":"Earth, Energy & Environment","link":"https:\/\/scienceblog.com\/horizon\/category\/earth-energy-environment\/"},"img":{"alt_text":"Scientists will have to drill at a depth of nearly 3km to retrieve some of the oldest ice that can tell us about the past and future of climate. 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