Résultats de recherche

Voir tous les résultats dans la base documentaire Fridoc

  • UE: pénuries de HFC et hausses de prix des HFC à fort GWP

    Plusieurs associations du froid de différents pays de l'Union européenne ont signalé de graves problèmes d'approvisionnement en frigorigènes dans leurs pays.

    • Date de publication : 21/03/2018
    • Sujets : Alternatives aux HFC
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  • GL2012 highlights: technologies needed in order to raise uptake of natural refrigerants

    Prof. Pega Hrnjak presented technologies that could advance the position of major natural refrigerants at the 2012 Gustav Lorentzen Conference on Natural Refrigerants. He claims that hydrocarbons, ammonia and CO2 could become strong contenders for...

    • Date de publication : 21/12/2012
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  • Natural refrigerants in emerging countries: South Africa

    South Africa is facing an energy shortage and a rise in electricity prices. Natural refrigerants, which have important energy saving potential, are now being introduced, especially in supermarkets. Here are 2 examples: . GTZ has offered technical...

    • Date de publication : 07/03/2010
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  • Brief: R-723

    The new natural refrigerant blend R-723 presents the same advantages as ammonia (i.e. high specific evaporation heat and insignifigant GWP) and offers further benefits: it can be used in copper systems and offers full mineral oil solubility. R-723...

    • Date de publication : 11/02/2005
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  • Trends and Figures: Increase in AC prices in Asia

    According to 2 articles in JARN, the prices of air conditioning are starting to show the effects of the rising raw materials prices, including those of copper, steel and aluminium. There are claims that the prices of these essential metals, in...

    • Date de publication : 15/11/2006
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  • 100 years of superconductivity

    April 8, 2011 marked the 100th anniversary of the discovery of superconductivity by Heike Kammerlingh Onnes. Working in his lab at Leiden University on April 8, 1911, he was experimenting with the electrical...

    • Date de publication : 26/07/2011
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  • The HCFC phase-out challenge (4)

    The results of a recent study* sponsored by the refrigerants manufacturer DuPont show that 65% of refrigerating plants in 9 key European Union markets were still using HCFC refrigerants 18 months before the ban on use of virgin HCFCs in EU...

    • Date de publication : 25/10/2008
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  • Impact positif d’une récente norme d'efficacité énergétique sur le marché des climatiseurs en Chine

    En juin 2023, le CLASP a publié un rapport décrivant comment l’introduction d’une norme de performance énergétique minimale (MEPS) plus stricte a précipité l’essor de climatiseurs...

    • Date de publication : 24/07/2023
    • Sujets : Chiffres, économie, Réglementation
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  • CHEs in heat pumps

    In its Annex 33, "Compact Heat Exchangers in Heat Pumping Equipment" issued in September 2010, the Heat Pump Programme details the benefits of using compact heat exchangers (CHEs): . Improved heat exchanger thermal effectiveness: thermal...

    • Date de publication : 07/02/2011
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  • Packaging innovations

    Plant-based food packaging Biodegradable packaging looks set to be the way of the future. A sharp rise in demand for natural products and healthier food added to the stability of maize prices versus those of petroleum-based polymers have...

    • Date de publication : 05/05/2006
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  • Brief: 12th c-dig meeting

    Uusikaupunki in Finland was the setting for the 12 th c-dig meeting in April 2005 attended by 55 delegates. Roughly half the presentations were by Finnish companies, reflecting the tremendous focus on carbon dioxide in the region in recent years....

    • Date de publication : 14/06/2005
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  • 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
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  • ICR2007: CO2 in the limelight

    Among the 876 papers presented at the IIR International Congress of Refrigeration in Beijing, 82 were on CO2 as a refrigerant or secondary fluid. Many dealt with new components for CO2, the lack of such components being currently still one of the...

    • Date de publication : 20/11/2007
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  • Alternative Cooling Technologies conference, London, 1st February 2005

    This conference, which was co-sponsored by the UK Institute of Refrigeration and organised commercially by RAC magazine, was well attended with about 140 people present. It was arranged in five sessions. In the first session, speakers from UK...

    • Date de publication : 11/02/2005
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  • Radio frequency technology makes warehouses more efficient and safer

    Industrial Conveying has developed new technology for high-rise warehouses. Each crane communicates with every stationary object on its racks. The High Bay Stacker is managed by Radio Frequency (RF) and makes it possible to use very high spaces....

    • Date de publication : 01/07/2011
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