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  • Conference update: West Lafayette

    12th International Refrigeration and Air Conditioning Conference at Purdue and the 19th International Compressor Engineering Conference at Purdue will be held on July 14-17, 2008 in West Lafayette, USA. Deadlines: abstracts - December 17, 2007;...

    • Publication date : 2007/11/20
  • News from IIR members: Mayekawa

    Mayekawa has supplied 6 Pascal Air units to Fukazawa Reizo's refrigerated fish warehouse in Yaizu, Japan. The Pascal Air units were launched recently and comprise a turbo-type expander, a compressor, a primary cooler and a heat recovery heat...

    • Publication date : 2010/05/27
  • News from IIR members: Mayekawa

    Watch 3 videos on Mayekawa’s Web site: one deals with Mayekawa’s vision and philosophy, another covers activities at its Moriya plant, and the third one presents Mayekawa’s viewpoints on HCFC phase-out.Jan Boone describes the emphasis placed...

    • Publication date : 2012/04/24
  • News from IIR members: MYCOM Mayekawa

    The Japanese compressor manufacturer MYCOM Mayekawa will be introducing its high-efficiency NH3/CO2 cooling system NewTon3000 within the context of the Garden City Ammonia Program (GCAP). GCAP is actively promoting CO2 emissions reduction and...

    • Publication date : 2011/02/07
  • Available now: All 474 papers from the Purdue Conferences 2018

    Welcoming 800 participants from 30 different countries, the 2018 Purdue Conferences took place at Purdue University in West Lafayette, Indiana, USA, from July 9 to 12, 2018.

    • Publication date : 2019/05/06
  • Energy efficiency on the agenda for discussion during Montreal Protocol meetings in Vienna

    Focus on the fruitful workshop on "the energy efficiency opportunities while phasing down hydrofluorocarbons (HFCs)", which preceded the 40th meeting of the Open-ended Working Group (OEWG40) of the Parties to the Montreal Protocol on Substances...

    • Publication date : 2018/08/08
  • Call to Action for World Refrigeration Day

    In support of this special day, and with the aim of raising awareness and boosting accessibility of the refrigeration sector from the grassroots up on an international level, the IIR is calling to all stakeholders to actively help bring the HVACR...

    • Publication date : 2019/04/01
  • New IIR Informatory Note on passive cooling

    The IIR’s latest Informatory Note demonstrates that passive cooling technologies can contribute significantly to reducing energy demand for air conditioning. 

    • Publication date : 2022/04/29
    • Subjects: Technology
  • International events: Purdue

    The latest Purdue Conferences (19th International Compressor Engineering Conference and 12th International Refrigeration and Air Conditioning Conference) took place on July 14-17, 2008, in West Lafayette (Indiana, USA). The total attendance of the...

    • Publication date : 2008/10/25
  • Focus by Didier Coulomb

    As we announced in the latest issue of the Newsletter, this special issue on the environment was prepared jointly with the United Nations Environment Programme (UNEP). 2007 is a very important year for the future of the global environment and the...

    • Publication date : 2007/08/05
  • IIR member news: Linde

    Linde uses cryogenic freezing to improve cuts.

    • Publication date : 2014/10/21
  • Ohrid 2015: Ammonia and CO2 refrigeration technologies at the forefront

    In light of the intense debate on the F-Gas regulation, its implementation worldwide, as well as proposed amendments to the Montreal Protocol, the conference provided the ideal forum for the exchange of knowledge on ammonia and CO2 technologies.

    • Publication date : 2015/04/21
  • Conference update: Purdue

    12th International Refrigeration and Air Conditioning Conference at Purdue and the 19th International Compressor Engineering Conference at Purdue will be held on July 14-17, 2008 in West Lafayette, USA. Register:

    • Publication date : 2008/02/12
  • Discover the winners of the IIR Scientific Awards

    Every four years during the International Congress of Refrigeration (ICR), the IIR offers a series of prestigious scientific awards.

    • Publication date : 2015/03/11
  • Climespace

    Who cools the Louvre, the French parliament, the Paris Opera House, the Bank of France, Chanel, Dior, Galeries Lafayette, several 5-star hotels and many other buildings? The answer is Climespace. With 475 customers, 5 million m² cooled and...

    • Publication date : 2011/02/04
  • Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement

    Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...

    • Last update : 2023/03/10
    • Langues : French, English
    • Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information
  • Cryogenic nitrogen in the food and beverage industry

    The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

    • Last update : 2023/11/07
    • Langues : French, English
    • Themes : Freezing of foodstuffs
  • Ice cream manufacturing, environmental impact and market data

    From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

    • Last update : 2023/06/30
    • Langues : French, English
    • Themes : Ice creams
  • Environmental impact of the ice cream industry

    This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

    • Last update : 2022/11/17
    • Langues : French, English
    • Themes : General information on environment (climate change, ozone depletion…)
  • Thermophysical properties of hydrocarbon refrigerants

    Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.

    • Last update : 2022/06/17
    • Langues : English
    • Themes : Hydrocarbons, Blends
  • Thermophysical properties of HFC refrigerants

    Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.

    • Last update : 2022/06/17
    • Langues : English
    • Themes : HFCs, Blends, HFO et HCFO
  • Thermophysical properties of HFO refrigerants

    Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.

    • Last update : 2022/06/17
    • Langues : English
    • Themes : Blends, HFO et HCFO
  • Liquefied Natural Gas: production process and cold energy recovery

    Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

    • Last update : 2023/06/23
    • Langues : French, English
    • Themes : LNG and LPG
  • Global warming potential (GWP) of HFC refrigerants

    Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...

    • Last update : 2023/09/15
    • Langues : French, English
    • Themes : HFCs
  • 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 : French, English
    • Themes : Hydrocarbons, Containment, refrigerant charge reduction
  • Additive manufacturing of regenerators for caloric cooling

    In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

    • Last update : 2022/09/16
    • Langues : French, English
    • Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)
  • For IIR members only

    Global cold storage capacity

    This table presents the cold storage capacity in about 50 countries, based on data from the Global Cold Chain Alliance (GCCA).

    • Last update : 2021/12/06
    • Langues : English
    • Themes : Refrigerated storage: economics and statistics
  • Cold storage conditions for fruits and vegetables

    Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...

    • Last update : 2023/01/16
    • Langues : French, English
    • Themes : Fruit, Vegetables
  • Nanorefrigerants

    Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

    • Last update : 2022/06/17
    • Langues : English, French
    • Themes : Nanofluids
  • Global HFC emissions from the refrigeration sector

    This table shows HFC emissions from the refrigeration sector – including air conditioning – in million tonnes of CO2 equivalent for about 40 countries that are signatories...

    • Last update : 2022/01/20
    • Langues : English
    • Themes : General information on environment (climate change, ozone depletion…)