Résultats de recherche

  • Test réussi d’un réfrigérateur à dilution destiné aux ordinateurs quantiques

    Les scientifiques d'IBM ont réussi à refroidir une puce d’ordinateur quantique à une température de 25 mK grâce à un réfrigérateur à dilution à grande...

    • Date de publication : 27/10/2022
    • Sujets : Technologie
  • Température et performance énergétique des appareils de froid domestique en Angleterre (en anglais)

    Un article de A. Biglia et al. présente les résultats d'une enquête à grande échelle sur les appareils de froid domestique dans les ménages en Angleterre. Des mesures simultanées de la température à l'intérieur et à l'extérieur des appareils de...

    • Date de publication : 30/04/2018
  • Energy storage thanks to refrigeration

    Electrical energy is notoriously difficult to store, especially on a large scale and this can be particularly problematical when dealing with irregular sources such as wind power for which there can be a great mismatch between energy supply and...

    • Date de publication : 25/02/2009
  • Uncertainty in the prediction of the climate response to rising levels of GHG

    According to a study published in Nature on January 27, 2005, the climate response to rising levels of greenhouse gases could be much worse than predicted. The study, carried out by Pr Stainforth's team, shows the uncertainty in the predictions....

    • Date de publication : 15/03/2005
  • Supercooling the LHC

    CERN's Large Hadron Collider (LHC) is the new research instrument of the world's elementary particle physics community. This discovery-making machine will explore the structure of matter and basic forces of nature on a scale never attained before....

    • Date de publication : 12/02/2007
  • Conférence IIF Rankine 2020 : quels fluides actifs alternatifs pour les systèmes ORC ?

    Les HFO (hydrofluorooléfines), les HCFO (hydrochlorofluorooléfines) et les hydrocarbures sont les principales alternatives au HFC245fa mises en avant durant la Conférence Rankine 2020 de l’IIF.

    • Date de publication : 04/09/2020
    • Sujets : Alternatives aux HFC
  • Invasion of a Body Snatcher

    New research by French scientists has revealed how Listeria monocytogenes can activate the cellular transport machinery that transports viruses and small molecules and proteins and use it to invade cells and hide from the body's immune system....

    • Date de publication : 23/11/2005
  • Réseaux de chauffage et de froid urbains de 5ème génération en Europe

    Une nouvelle génération de réseaux de chauffage et de froid urbains se développe en Europe, fonctionnant avec des sources de chaleur renouvelables à basse température (par exemple,...

    • Date de publication : 28/02/2022
    • Sujets : Technologie
  • Briefs: Thermoacoustics for air conditioning

    The Palo Alto Research Center (PARC), is developing a new form of refrigeration for cooling at room temperature, based on thermoacoustics, which was previously used only for cryogenic temperatures. The technology PARC developed is claimed to...

    • Date de publication : 27/05/2010
  • Cryogenics: A new cryocooler

    A new cryocooler has been demonstrated at the National Institute of Standards and Technology (NIST) that combines small-size, rapid cooling, low temperatures and high efficiency. It is a "pulse tube" design that uses oscillating helium gas to...

    • Date de publication : 04/05/2007
  • 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
  • Briefs: English pears all year round

    Tesco, a UK-based retailer, has announced the availability of English pears all year round. Until now, the autumn fruit, which some consider the best in the world, was only available from September-May. Tesco's biggest pear supplier, Adrian...

    • Date de publication : 11/02/2011
  • Tour d’horizon des technologies de refroidissement des centres de données 

    La très forte progression du trafic Internet impose la poursuite du développement de nouvelles technologies écoénergétiques de refroidissement des centres de données, basées...

    • Date de publication : 15/12/2022
    • Sujets : Technologie
  • Supermarket news

    Tesco ( Thailand ) has almost completed a 5-year £18-million programme to replace all CFCs and HCFCs used in its stores and is replacing refrigerating equipment with highly energy-efficient systems. Energy consumption has dropped 30%, this being...

    • Date de publication : 14/06/2005
  • ICR2011 highlights: cooling particle detectors

    Cooling systems for particle detectors attracted interest at the IIR’s Congress in Prague in August 2011. These highly specific applications have very strict requirements compared with standard cooling systems: refrigerants should be resistant to...

    • Date de publication : 21/02/2012