Résultats de recherche

Voir tous les résultats dans la base documentaire Fridoc

  • Residential CO2 heat pump system for combined space heating and hot water heating

    This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A theoretical and experimental study was carried out for a residential brine-to-water CO2 heat pump system for combined space heating and hot water heating - a...

    • Date de publication : 24/11/2004
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  • 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
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  • 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
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  • Brief: Kogas

    Kogas had hoped to buy an extra 10 liquefied natural gas (LNG) cargoes ahead of the peak-demand winter season but is encountering a tight market. Besides annual supplies under term contracts, Kogas has recently been buying more than 30 LNG cargoes...

    • Date de publication : 28/01/2006
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  • 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
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  • Briefs: Danfoss

    Danfoss has won the 2004 AHR Expo Innovation Award in the refrigeration category for its TN hermetic compressor for CO2. The Innovation Awards, jointly sponsored by ASHRAE and ARI, are designed to encourage innovation and recognise significant...

    • Date de publication : 28/04/2004
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  • 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
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  • Briefs: Grenco Marine

    Grenco Marine has developed the first ammonia/carbon dioxide cascade systems to be used on board fishing vessels. Experience with the Dirk-Dirk (a trawler with a capacity of 235 tons of fish/day) led to the development of a new defrosting process:...

    • Date de publication : 26/07/2006
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  • Briefs: Electronic air conditioning

    David Sattler, from Sattler Consulting, a Melbourne-based firm (Australia) was awarded an AUD 80000 federal government grant to further his work on a new type of air conditioner, allowing for large cooling effects (and a heating potential) with...

    • Date de publication : 11/02/2011
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  • ASHRAE Technology Awards: winning project features green design

    The ASHRAE Technology Awards recognize outstanding achievements by members who have successfully applied innovative building design in the areas of occupant comfort, indoor air quality (IAQ) and energy conservation. The designs incorporate ASHRAE...

    • Date de publication : 14/06/2005
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  • 2005 AHR Expo Innovation award winners

    The winners of the third annual AHR (Air Conditioning, Heating and Refrigeration) Expo Innovation awards will be honoured during a ceremony during the 2005 AHR Expo in Orlando, Florida, on February 8, 2005. The product entries were judged for...

    • Date de publication : 22/12/2004
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  • 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
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  • L'humidité a un impact considérable sur les émissions du conditionnement d’air

    L’impact environnemental du contrôle de l’humidité dans la climatisation peut être plus important que l’impact de la réduction des températures, selon une étude du National Renewable...

    • Date de publication : 04/07/2022
    • Sujets : Chiffres, économie, Environnement
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  • L'UE impose un traitement par le froid pour les importations d’agrumes

    En vertu d'une nouvelle législation européenne, un traitement par le froid sera obligatoire pour les agrumes importés de pays non-membres de l'UE.

    • Date de publication : 19/04/2022
    • Sujets : Réglementation, Pays en développement
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  • Solar cooling: Perspectives in Australia

    A paper by P. Kohlenbach and M. Dennis1 presented at the 9th IIR Gustav Lorentzen Conference on Natural Refrigerants in Sydney gave an outlook and future perspectives on solar cooling in Australia, focusing on a comparison between the current...

    • Date de publication : 04/02/2011
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