Résultats de recherche

  • Évaluation du potentiel du marché des pompes à chaleur industrielles en Europe

    Pour remédier au manque de développement de pompes à chaleur à haute température, un article récent fournit aux fabricants une estimation du potentiel du marché des pompes à chaleur...

    • Date de publication : 30/11/2021
    • Sujets : Chiffres, économie, Technologie
  • Sorption chillers

    Sorption chiller technology is rapidly developing, especially that using solar energy. - As highlighted by Jacob and Kohlenbach* during the latest IIR Gustav Lorentzen Conference on Natural Working Fluids in Sydney, in Europe, numerous new...

    • Date de publication : 07/02/2011
  • Charge minimization in hydrocarbon systems

    This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). It presents the results of the project to minimize charge in a R290 system that has 1-1.5 kW refrigeration capacity. Currently, there are many guidelines...

    • Date de publication : 24/11/2004
  • 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
  • LNG vessels

    The world's largest LNG vessel, Mozah, recently made its maiden visit to the South Hook LNG Terminal in Milford Haven, UK, heralding a new era in the history of liquefied natural gas (LNG) transportation. The Q-Max ship measures 345 metres long,...

    • Date de publication : 07/03/2010
  • R&D

    The US Department of Energy's National Renewable Energy Laboratory (NREL) has developed a new air-conditioning system combining membranes, evaporative coolers and desiccants into a single device with the objective to suit to all climates,...

    • Date de publication : 07/02/2011
  • Refrigerated storage trends

    Several cold store building projects illustrate trends currently observed in the refrigerated storage field: - by building in Harnes the largest cold store in France, frozen chip producer Mc Cain intends to house under one roof in April 2010 its...

    • Date de publication : 18/05/2009
  • 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
  • Trends and Figures: Cold storage capacity per capita, a global glimpse

    IARW published a list showing their member countries' public refrigerated capacity in 2006 and we thought it might be interesting to calculate the refrigerated-warehouse capacity per capita by country. The list is topped by The Netherlands (551...

    • Date de publication : 15/11/2006
  • Marine refrigeration

    The use of natural refrigerants is gradually spreading. Here are two examples of their use in the marine sector: - Environmentally-friendly fish transport American Freedom is one of the world's largest refrigerated ships and can hold up to...

    • Date de publication : 20/11/2007
  • Cheers to that!

    An innovative brewery refrigeration system that uses natural CO2 gas has been conceived by engineers from the Ziemann Group in collaboration with Axima. This system, which will be of particular interest to large plants with extensive pipe networks...

    • Date de publication : 05/05/2006
  • Oil-free chillers

    At the beginning of 2005, Climavenata will launch its new range of liquid chillers: the "Turbo Efficiency Climaveneta System" (Tecs), which is an oil-free chiller. The range is fitted with Danfoss-Turbocor R-134a centrifugal compressors :...

    • Date de publication : 10/02/2005
  • Briefs: Largest distribution centre in Africa

    The centre, built by Woolworths in Midrand, South Africa has a surface area of 72 000 m². The 2-stage refrigeration system uses 4.2 tons of ammonia. It operates at -9°C/+32°C on the low stage while the high-stage ammonia circuit is used to chill...

    • Date de publication : 12/02/2008
  • Data centre cooling

    Data processing environments were estimated in 2006 to consume about 1.5% of the total electricity in the US. Data centre power consumption has roughly doubled in the last 5 years and is expected to double again in the next 5 years to more than...

    • Date de publication : 25/02/2009
  • Trends and Markets: The Dubai District-Cooling Boom

    The United Arab Emirates has the potential to become the world's largest district-cooling market: demand is estimated at 10 million tonnes of refrigeration (36 360 MW) in the next 10 years. The construction boom in Dubai has triggered particularly...

    • Date de publication : 12/02/2007