Résultats de recherche

  • Le mur de glace prêt à entrer en service à Fukushima (en anglais)

    Au Japon, l'immense mur de glace dressé pour juguler la propagation d'eau souterraine radioactive, suite à la destruction partielle de la centrale nucléaire de Fukushima par le tsunami, va bientôt être exploité. (en anglais)

    • Date de publication : 12/04/2016
  • Et si on rafraîchissait les Parisiens avec l’eau de la Seine…

    Suite à des discussions engagées entre le Snefcca (syndicat national des entreprises du froid, des équipements de cuisines professionnelles et du conditionnement de l’air) et la Mairie de Paris (France), le projet d’utiliser le réseau d’eau non...

    • Date de publication : 10/10/2016
  • Brief: Protrait of an optimal system

    With looming commitments under the Kyoto Protocol, energy efficiency in buildings, including in art galleries, is essential. Paintings not only require an aesthetic environment, but one in which the air temperature and humidity is controlled. The...

    • Date de publication : 05/05/2006
  • Underground river to cool the London tube

    The "Cooling the Tube" competition in 2003, promising GBP 100 000 to those finding a workable solution to cool the Tube, received 3400 entries. Modern systems with large tunnels and surface lines can be cooled using air-cooling systems. However,...

    • Date de publication : 11/02/2005
  • Briefs: 1905: St Michel station the Parisian Métro

    Today, freezing is widely used in tunnel construction. However, it was recent technology in 1905 when line No. 4 of the Parisian Métro system was under construction. This was the first line built under the Seine and the works proved difficult...

    • Date de publication : 25/02/2009
  • Briefs: 1905: St Michel station the Parisian Métro

    Today, freezing is widely used in tunnel construction. However, it was recent technology in 1905 when line No. 4 of the Parisian Métro system was under construction. This was the first line built under the Seine and the works proved difficult...

    • Date de publication : 25/02/2009
  • Briefs: CO2 heat pumps in a retirement home

    Villa Laura, a retirement home near Florence, Italy, is equipped with 4 water/water ground-water heat pumps operating with a transcritical CO2 cycle providing heating, air conditioning and hot water. This technology is already used to produce hot...

    • Date de publication : 20/11/2007
  • ASHRAE Technology Awards: winning project features green design

    The ASHRAE Technology Awards recognize outstanding achievements by members who have successfully applied innovative building design in the areas of occupant comfort, indoor air quality (IAQ) and energy conservation. The designs incorporate ASHRAE...

    • Date de publication : 14/06/2005
  • Heat pumps

    - Analysis of sales of heat pumps in Austria over 2003 and 2004 has shown good growth in the heating and controlled dwelling ventilation segments. The figures were compiled with the National Ministry for Transportation, Innovation and Technology,...

    • Date de publication : 19/07/2005
  • Out of the ordinary: Vanilla and ice skating on the Eiffel Tower

    Special treat for the festive season: skating on a 200 m² vanilla-perfumed rink 57 m above ground level on the Eiffel Tower, with hot wine and cakes served as refreshments. Installing the rink was a technical feat: 10 tonnes of refrigerating...

    • Date de publication : 11/02/2005
  • Briefs: EU Directive recognizes heat pumps as a renewable energy technology

    On December 17, 2008, the European Parliament adopted the EU Directive on the promotion of the use of energy from renewable sources. The final compromise text for the first time includes aerothermal and hydrothermal energy sources, effectively...

    • Date de publication : 25/02/2009
  • Briefs: solar air-conditioning prototype

    As part of the European programme Solera, CEA LITEN researchers recently set up a 4.5-kW solar air-conditioning prototype in the facilities of the INES (French National Institute of Solar Energy) in Chambéry in the French Alps, where the system...

    • Date de publication : 09/12/2009
  • Briefs: Antarctic ozone hole smallest in five years

    The Antarctica ozone hole is the smallest it has been in 5 years, according to research from Niwa, New Zealand's National Institute of Water and Atmospheric Research. Satellite data combined with ground-base measurements show the hole reached a...

    • Date de publication : 07/02/2011
  • Solar Air conditioning

    With high summer temperatures, air-conditioning and thermal comfort are increasingly important issues, but raise the challenges of high energy consumption and of environmental consequences. Three recent projects use solar energy to operate...

    • Date de publication : 05/08/2007
  • Markets: Heat Pumps

    - Heat pumps hot in Europe According to the Swedish Heat Pump Association, SVEP, the Swedish market for domestic heat pumps has developed greatly over the last ten years, with over 100 000 heat pumps being sold in 2004. Exhaust air heat...

    • Date de publication : 05/05/2006