Résultats de recherche

  • Briefs: Energy-efficient district cooling in Paris

    The chilled-water urban cooling network in Paris, run by Climespace is made up of 6 plants and chilled water storage systems, with a 250 MW total refrigerating capacity and distribution temperatures from 0.5°C-4°C. Two different technical...

    • Date de publication : 07/02/2011
  • Brief: Protrait of an optimal system

    With looming commitments under the Kyoto Protocol, energy efficiency in buildings, including in art galleries, is essential. Paintings not only require an aesthetic environment, but one in which the air temperature and humidity is controlled. The...

    • Date de publication : 05/05/2006
  • Chillers: efficiency takes off

    Chillers are key refrigerating systems since, according to the Department of Energy, in the US, they account for about 13% of the power consumed by the nation's buildings and 9% of the overall demand for electric power. Examples below illustrate...

    • Date de publication : 25/10/2008
  • The French Health Protection Agency (InVS) warns against Legionella outbreaks

    In an official statement dated July 2004, the French Health Protection Agency called for vigilance with regards to the risk of Legionella outbreaks during summer 2004. In 2003, 1044 legionella cases were recorded in France and 129 patients died....

    • Date de publication : 14/09/2004
  • Out of the Ordinary: Pandas

    Funi and Wang Wang, a couple of giant pandas, are star attractions at Adelaide Zoo in Australia. To keep them cool during South Australia's hot summers, chilled glass-reinforced rocks, air conditioning and waterfalls have been installed. The...

    • Date de publication : 11/02/2011
  • Climate control in the Gibraltar tunnel project

    A project for a tunnel linking Punta Paloma in Spain and Malabata Point in Morocco and currently in preparatory phase raises some interesting and crucial climate control issues. Governments of both nations appointed the Swiss engineer Giovanni...

    • Date de publication : 13/05/2008
  • Briefs: double-effect trigeneration for energy savings in French space centre

    The Centre Spatial de Toulouse, which is part of the French Centre National d'Etudes Spatiales is now equipped with a large-scale trigeneration plant. The Centre comprises 60 buildings and employs 2500 employees and until 2002 also had a huge...

    • Date de publication : 09/12/2009
  • Brief: garden fresh

    A new system involving the direct humidification of vegetables in supermarket displays allows for greater freshness and a more appealing product. A recent study carried out in the US has shown the benefits of such a system: in atomised lettuce,...

    • Date de publication : 28/01/2006
  • Garden fresh

    A new system involving the direct spray cooling of vegetables in supermarket displays allows for greater freshness and a more appealing product. A recent study carried out in the US has shown the benefits of such a system: in lettuce, only one out...

    • Date de publication : 22/12/2005
  • 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
  • Legionnaires’ disease

    Two outbreaks of Legionnaires' disease are in the news: - Thirteen deaths have occurred among 85 patients who contracted Legionnaires' disease in the northern French prefecture of Pas-de-Calais. The main cause of the outbreak is a cooling tower at...

    • Date de publication : 28/04/2004
  • Le développement des applications frigorifiques du stockage d’énergie thermique et des PCM

    À partir d'une sélection d'articles issus de deux conférences récentes de l’IIF, voici un tour d’horizon des applications du stockage d'énergie thermique et des PCM dans les domaines du transport frigorifique,...

    • Date de publication : 29/11/2021
  • Viabilité d'un système de refroidissement solaire à absorption dans une école isolée du Mexique

    Un récent article de la RIF présente une simulation des stratégies de fonctionnement et les résultats des premières expérimentations faisant suite à l'installation d'un système de conditionnement d’air à...

    • Date de publication : 05/04/2020
    • Sujets : Pays en développement, Environnement
  • Frigorigènes à faible GWP utilisés dans le transport frigorifique.

    Résumé d'une communication présentée lors de la 12e Conférence IIF-Gustav Lorentzen sur les frigorigènes naturels, disponible sur Fridoc.

    • Date de publication : 08/02/2017
  • Nouveaux développements concernant les refroidisseurs centrifuges (en anglais)

    Parmi les nouveaux développements relatifs aux refroidisseurs centrifuges, il faut noter le premier refroidisseur utilisant l'eau comme frigorigène et le premier refroidisseur centrifuge "inverter" à entrainement direct utilisant l'énergie...

    • Date de publication : 25/03/2015
  • Frigorigènes : les hydrocarbures

    Les hydrocarbures tels que le R290 (propane), le R600a (isobutane) ou le R1270 (propène/propylène) sont des frigorigènes naturels non toxiques à faible PRP et dotés d'excellentes...

    • Dernière mise à jour : 22/06/2022
    • Langues : Anglais, Français
    • Thèmes : Hydrocarbures, Confinement, réduction de la charge en frigorigène