Résultats de recherche

Voir tous les résultats dans la base documentaire Fridoc

  • Water desalination thanks to freezing

    A new desalination process involving freezing has been developed and offers an alternative to the shortcomings of other technologies such as distillation or inverted osmosis.

    • Date de publication : 30/08/2013
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  • Centres de données: technologies de refroidissement et tendances

    Dans les dix ans à venir, l'usage d'unités de conditionneurs d'air traditionnels de salles d'ordinateurs est amené à diminuer nettement dans la mesure où les centres de données adoptent des solutions combinant le froid naturel, le refroidissement...

    • Date de publication : 26/11/2015
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  • Chillers: efficiency takes off

    Chillers are key refrigerating systems since, according to the Department of Energy, in the US, they account for about 13% of the power consumed by the nation's buildings and 9% of the overall demand for electric power. Examples below illustrate...

    • Date de publication : 25/10/2008
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  • Briefs: Axima Refrigeration GmbH

    A new giant is born: Axima Refrigeration GmbH of Lindau, Germany, Smardt Inc. of Montreal, Canada, and PowerPax of Melbourne, Australia have joined forces to market Turbocor oil-free compressors. The giant consortium will supply major companies...

    • Date de publication : 26/07/2006
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  • Ice Gurus

    Ice tailoring appears to be the new Olympic challenge. Ice must be tailored to each athlete's needs, e.g. long-track speed skaters prefer a surface as low as -7 to -8°C, whilst figure skaters need to dig their skates into the ice in order to pull...

    • Date de publication : 05/05/2006
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  • 239 UK supermarkets are now using natural refrigerants

    In its Chilling Facts latest report, the Environmental Investigation Agency (EIA) has found that, in UK, 239 stores are now using natural refrigerants – mainly CO2 and hydrocarbons – up from 46 last year and 14 three years ago. EIA surveyed...

    • Date de publication : 16/08/2011
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  • Briefs: A comeback for Einstein’s fridge?

    Scientists at Oxford University have rebuilt one of Einstein's early inventions in an attempt to develop an environmentally friendly refrigerator that runs without electricity. They have built a prototype of a fridge patented in 1930 by Einstein...

    • Date de publication : 25/10/2008
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  • Ice storage

    Ice storage is not only beneficial in economic terms, it is also energy-saving, noise-free and helps extend the life of the systems. It consists in keeping a certain amount of ice, as a way of storing "cold", in order to use it later. It was...

    • Date de publication : 05/08/2007
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  • Tours à vent : la naissance de la climatisation et du froid naturel ?

    Les tours à vent, capables de réduire la température intérieure d’environ 10 °C et de stocker de l’eau à des températures proches du point de congélation, sont utilisées depuis des siècles dans de nombreuses régions du monde.

    • Date de publication : 22/11/2018
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  • Une chute de température de 45°C grâce à la technologie du froid magnétique (en anglais)

    Des chercheurs travaillant dans les laboratoires de General Electric déclarent avoir été en mesure de geler de l'eau en utilisant la technologie du froid magnétique.

    • Date de publication : 25/03/2014
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  • New technology to reduce emissions and save energy

    In November 2004, Eddie Woods, founder of Meeko2004, an organization working in coordination with Oklahoma State University to bring new technology to the air-conditioning industry, announced that a new patent-pending technology aimed at reducing...

    • Date de publication : 22/12/2004
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  • Trends and Figures: Chiller market grows and diversifies

    According to reports published during the 2008 AHR Expo held on January 22-24, 2008 in New York, the chiller market in 2006 was USD 2 billion in Asia-Pacific, USD 1.5 billion in Europe and USD 1 billion in the US. The growth (as compared to 2005)...

    • Date de publication : 13/05/2008
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  • Briefs: Sustainable fishery in Namibia

    Since November 2009, Hangana Seafood has a new pre-sorting facility in Walvis Bay harbour, Namibia, which uses ammonia as a refrigerant. The 2800 m² sorting facility has a 0°C chill room for holding unsorted fish, two 16°C temperature-controlled...

    • Date de publication : 04/02/2011
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  • Brief: Cryotemperatures save flooded archives

    In February 2010, "Xynthia", a major storm swept over La Rochelle, France. In order to rescue the archives of the "Conseil Général de Charente Maritime" the departmental authority that were covered with 2-metre deep sea water, cryogenic...

    • Date de publication : 07/02/2011
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  • Mine cooling

    Cooling the world's deepest single-shaft mine: cooling Anglogold Mponeng gold mine in Gauteng, South Africa, is a challenge - the mine is 3.68 km deep and without cooling, temperatures can reach 60°C at the mine face. Six 3.5 MW Eco-Vim...

    • Date de publication : 28/01/2006
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