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  • 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...

    • Publication date : 2011/02/07
  • 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...

    • Publication date : 2006/05/05
  • 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...

    • Publication date : 2008/10/25
  • 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....

    • Publication date : 2004/09/14
  • 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...

    • Publication date : 2011/02/11
  • 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...

    • Publication date : 2008/05/13
  • 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...

    • Publication date : 2009/12/09
  • 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,...

    • Publication date : 2006/01/28
  • 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...

    • Publication date : 2005/12/22
  • 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...

    • Publication date : 2007/11/20
  • 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...

    • Publication date : 2004/04/28
  • The expansion of refrigeration applications of Thermal Energy Storage and PCMs

    Based on a selection of papers from two recent IIR conferences, overview of thermal energy storage and PCM applications in the fields of refrigerated transport, display cabinets, fishing vessels, food processing...

    • Publication date : 2021/11/29
  • Viability of an absorption solar cooling system in an isolated school in Mexico

    A recent IJR article presents a simulation of the operating strategies and the results of the first experiments following the installation of a solar thermal absorption air conditioning system, installed in an...

    • Publication date : 2020/04/05
    • Subjects: Developing country, Environment
  • Alternative low-GWP refrigerants for transport refrigeration.

    Summary of a paper presented during the 12th IIR Gustave Lorentzen conference on Natural refrigerant, available in Fridoc.

    • Publication date : 2017/02/08
  • Centrifugal chillers: new developments

    New developments regarding centrifugal chillers include the world’s first production-scale chiller using water as a refrigerant and the world’s first photovoltaic direct driven inverter centrifugal chiller.

    • Publication date : 2015/03/25
  • News from IIR members: Johnson Controls

    Johnson Controls and Princess Noura bint Abdulrahman University are beating the record books with York CYK chillers. To construct what is claimed to be the world's largest chiller plant using air-cooled radiators, Johnson Controls is providing 26...

    • Publication date : 2011/02/07
  • Member news: Efficient Energy has been rewarded for its remarkable growth over the last 4 years

    Energy Efficient, an IIR corporate member, ranked third in the latest Deloitte Technology Fast 50 in Germany. This ranking rewards companies based on the percentage increase in their revenue over the last four...

    • Publication date : 2021/12/15
    • Subjects: HFCs alternatives
  • Corporate members: news

    - During the IIAR's 2008 Ammonia Refrigeration and Conference, the first fundraising event, a golf tournament, was held in order to launch Ammonia Refrigeration Foundation actions. The recently formed foundation will promote charitable,...

    • Publication date : 2008/05/13
  • News from IIR members: Star Refrigeration

    Star Refrigeration has installed a highly efficient Azanechiller at a Scottish meat processing facility. The central pumped glycol system has a total cooling capacity of 365kW and includes pumps with variable speed drives, six ceiling...

    • Publication date : 2011/08/04
  • Hydrocarbon refrigerants

    Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

    • Last update : 2022/06/22
    • Langues : English, French
    • Themes : Hydrocarbons, Containment, refrigerant charge reduction