Résultats de recherche

  • Benefits of thermal energy storage

    The use of thermal storage, coupled to a refrigeration unit, allows the user to reduce the cooling capacity of installed units, to lower operating costs and electric bills, to increase plant reliability and to provide an effective solution for...

    • Date de publication : 29/03/2013
  • Temps forts de la RIF : revue des frigorigènes alternatifs à faible PRP

    Dans un récent article de synthèse publié dans la Revue Internationale du Froid, des chercheurs chinois ont comparé, sur la base de 60 études publiées, près de 40 frigorigènes alternatifs à faible PRP en termes...

    • Date de publication : 28/06/2021
    • Sujets : Alternatives aux HFC
  • LHC saison 3 : amélioration du système de refroidissement cryogénique

    L’accélérateur de particules a repris du service en 2022 après de nombreuses améliorations, dont notamment une augmentation de la puissance de refroidissement cryogénique au point...

    • Date de publication : 30/05/2022
    • Sujets : Technologie
  • How to evaluate the refrigerating capacity of compressors?

    Most compressor manufacturers express the capacity of their compressors using the "nominal capacity" of the motor, expressed in HP (1 Horse Power = 0.735 kW) which does not give precise information on the refrigerating capacity of the compressor....

    • Date de publication : 04/05/2007
  • The French air-conditioning market is growing significantly

    According to Clim'info, in France, sales of individual air conditioners (with capacities below 17.5 kW) have undergone a very strong progression - about 40% - in 2003 compared with 2002. Sales of small mobile units, in particular, have benefited...

    • Date de publication : 15/07/2004
  • 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
  • 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
  • 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
  • French supermarkets turn to ice slurries

    - Carrefour 's Collégien, France, hypermarket is using indirect refrigeration for over 6100 m 2 out of a total 15 000 m 2 surface area: CO 2 (in a 4-loop system) for temperatures below 0°C (refrigerating capacity: 232 kW) and ice slurries...

    • Date de publication : 11/02/2005
  • Magnetic cooling takes off

    - The principle of magnetic cooling is based on the magnetocaloric effect, which was discovered in 1881 by Warburg. Magnetocaloric materials heat up when they are positioned in a magnetic field and cool down to a lower temperature than their...

    • Date de publication : 11/02/2005
  • 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
  • Figures: the cold chain in Germany

    According to the VDKL's latest survey on refrigerated and frozen storage capacities in Germany, in 2005 there were over 728 cold stores with a capacity over 2000 m3. Overall capacity amounted to 20 million m3. There are over 55 000 lorries and 43...

    • Date de publication : 20/11/2007
  • 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
  • Cold storage: figures

    According to the International Association of Refrigerated Warehouses (IARW) Global Cold Storage Capacity Report, public refrigerated warehouse storage is increasing around the world. Data from over 40 member countries was collected for the 2008...

    • Date de publication : 25/10/2008
  • 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