Résultats de recherche

  • Les avantages des meubles de vente fermés pour la conservation des aliments

    Un article récent de la RIF montre que, comparé à un meuble ouvert, un meuble fermé permet d'obtenir une température du produit plus basse et une meilleure homogénéité de la température, même avec une fréquence élevée d'ouvertures de porte.

    • Date de publication : 29/08/2019
  • Ultracold polar molecules

    Scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU-Boulder), have applied their expertise in ultracold atoms and lasers to produce the first high-density...

    • Date de publication : 22/10/2008
  • Briefs: Open units or with glass doors?

    When glass doors are used in refrigeration units, the energy savings are as a rule indicated as being "up to" 40%. Very often these figures are based on experience in a typical climate (25°C and 60% air humidity) with standard opening frequencies...

    • Date de publication : 18/05/2009
  • CO2 applications: First commercial CO2 system in Latin America

    Last April Verdemar supermarket chain inaugurated its fifth store in the suburb of Jardim Canada, Nova Lima -Minas Gerais, Brazil. It is the first Latin American supermarket that uses carbon dioxide as a refrigerant. Its Skyrack Breeze, developed...

    • Date de publication : 07/02/2011
  • The future: 330 microns square

    Radio frequency identification (RFID) is set to play a growing role in refrigerated logistics operations. RFID is advanced technology designed to replace traditional barcode technology and the Metro Germany Group is already Europe's forerunner,...

    • Date de publication : 19/07/2005
  • Cool ways to chill for cold storage and maintaining an unbroken cold chain

    In an interview for FOOD Magazine, Robbie Davies (Cold Chain Centre) clarifies significant progress relating to the cold chain. Refrigeration technology is an area that has advanced considerably in recent years - particularly in road transport,...

    • Date de publication : 14/06/2005
  • 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
  • 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
  • Magnetic-bearing centrifugal compressors

    This new compressor technology - presented at the 2003 AHR Expo in Chicago - may have a significant effect on the future of mid-range chillers and rooftop applications in water-cooled, evaporatively cooled and air-cooled chilled-water and...

    • Date de publication : 27/07/2004
  • Compressors: Oil-free linear compressor

    Linear technology could become the predominant energy-efficient refrigeration compressor design, according to Brazilian manufacturer Embraco which unveiled a domestic compressor offering linear technology with variable capacity, eliminating the...

    • Date de publication : 11/02/2011
  • Intelligent fridges

    - It is estimated that networked fridges will be widely used by 2015. How do consumers feel about such fridges that monitor product use, create shopping lists and arrange deliveries online? A recent survey involving 4600 shoppers in 8 countries...

    • Date de publication : 12/08/2008
  • Solar absorption air conditioning

    When do you need air conditioning? When it is hot and sunny. This is why Broad Air Conditioning, China, one of the world's largest manufacturers of direct-fired absorption chillers, has been focusing on solar absorption air-conditioning systems...

    • Date de publication : 15/11/2006
  • L'utilisation des hydrocarbures dans les conditionneurs d'air présente-t-il des risques ? (en anglais)

    Une équipe de GIZ Proklima a évalué le risque lié à l'utilisation du R600a et du R290 dans des conditionneurs d'air bi-blocs et des réfrigérateurs domestiques.

    • Date de publication : 12/02/2015
  • Stratégies de réduction du bruit des compresseurs à vis

    Le bruit émis par les compresseurs à double vis en fonctionnement est un problème important qui est susceptible de limiter leur champ d’application. Deux articles récents de la RIF proposent plusieurs méthodes...

    • Date de publication : 31/05/2021
  • Les avantages des compresseurs linéaires

    Trois articles récemment publiés dans la RIF illustrent l’intensité des travaux de R&D ciblés sur les compresseurs linéaires et mettent en lumière leurs avantages, dans le froid commercial et domestique...

    • Date de publication : 27/02/2020