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  • IJR Editorial: Solar energy, the energy of the future for refrigeration

    Solar refrigeration should become a means of providing cleaner air conditioning and developing cold chains for food and health products where they are still deficient. We need to accompany this development while...

    • Publication date : 2021/01/21
  • Annual IIR statutory meetings

    The annual IIR statutory meetings took place between June 13 and 15, 2018 in Paris. They were held at La Cité des Sciences et de l’Industrie, where the attendees could visit the international exhibition on refrigeration.

    • Publication date : 2018/06/22
    • Subjects: General information
  • We are hiring a techical project manager

    The IIR is involved in diverse projects supporting academia and countries. The candidate will support the IIR projects department, and will develop and secure new projects for the IIR and ensure that they are...

    • Publication date : 2024/04/08
  • Purdue conferences

    The Purdue Conferences, co-sponsored by the IIR, took place on July 9-12, 2018. As successful as the previous editions, they gathered 800 attendees.

    • Publication date : 2018/08/08
  • World Refrigeration Day 2020: Highlights

    Attracting overwhelming interest from international associations, companies and professionals in the field, discover what initiatives were organised for the second World Refrigeration Day held on June 26,...

    • Publication date : 2020/10/07
    • Subjects: General information
  • Participation of the IIR at COP-10

    On December 6-18, 2004, over 6100 participants from 169 countries attended the 10th Conference of the Parties (COP-10) to the United Nations Framework Convention on Climate Change (UNFCCC)  held at the Rural Exhibition Center in Buenos Aires ,...

    • Publication date : 2005/02/11
  • The International Journal of Refrigeration (IJR)

    The IJR is the most important scientific journal in the field of refrigeration technology. It is a co-publication of Elsevier and the IIR. Eight issues are published each year, with over 15 articles per issue. Certain issues are totally or...

    • Publication date : 2006/07/26
  • IIR Working Parties

    The IIR has 10 commissions: Cryophysics, cryoegineering (A1); Liquefaction and separation of gases (A2); Thermodynamics and transfer processes(B1); Refrigerating equipment (B2); Cryobiology, cryomedicine (C1); Food science and engineering (C2);...

    • Publication date : 2009/12/09
  • Meeting: UNEP

    Didier Coulomb and Daniel Viard, Deputy Director, met Rajendra Shende, Head of the Energy and OzonAction Branch of the United Nations Environment Programme (UNEP), on April 6, 2005. They particularly exchanged ideas on the future of refrigerants...

    • Publication date : 2005/06/14
  • News from IIR members: Danfoss & LOGSTOR

    Danfoss and LOGSTOR establish alliance to market and offer energy-efficient district cooling solutions. They have now joined forces to apply their technologies and expertise in the district cooling sector. Together with selected industry partners...

    • Publication date : 2009/08/13
  • New publications: The CD-ROM proceedings of the Vicenza IIR Conferences

    The CD-ROM proceedings of the Vicenza IIR Conferences on 1) Commercial Refrigeration and 2) Thermophysical Properties and Transfer Processes of Refrigerants are on sale. They comprise 134 papers. Main topics: 1) display cabinets, energy simulation...

    • Publication date : 2006/01/28
  • New publications: The CD-ROM proceedings of the 1st IIR International Conference on Magnetic Refrigeration at Room Temperature

    The CD-ROM proceedings of the 1st IIR International Conference on Magnetic Refrigeration at Room Temperature held in Montreux, Switzerland, are now available. They comprise 4 keynote presentations, 20 papers on materials (gadolinium and its...

    • Publication date : 2006/01/28
  • News from IIR members: Freezcube

    FreezCube, developed by Playcube, corporate member of the IIR based in France, has been awarded the Gold Medal at Concours Lépine 2010. FreezCube is a simple monitoring device which provides useful information related to the safety of frozen foods...

    • Publication date : 2011/02/07
  • Briefs: Philippe Lebrun is “Engineer of the Year”

    Philippe Lebrun, a member of the Management Committee of the IIR and Head of Section A of the IIR (Cryology and Gas Processing), was awarded the "Prix Ingénieur de l'Année 2010" in the "Science" category, by the French magazine Usine...

    • Publication date : 2011/02/07
  • IIR Working Party on “Energy Labelling in the Cold Chain”

    The Terms of Reference of the new IIR Working Party (WP) "Energy labelling in the cold chain" have been approved. The main objective of this WP - chaired by Prof. Giovanni Cortella, Italy, and involving Commissions D1 and D2 - is to investigate...

    • Publication date : 2008/05/16
  • 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
  • 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)
  • 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
  • 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
  • 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
  • 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
  • Additive manufacturing of heat exchangers

    In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...

    • Last update : 2022/09/07
    • Langues : French, English
    • Themes : Evaporators, condensers and other heat exchangers
  • 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…)
  • 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
  • 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
  • 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…)
  • 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
  • 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