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  • IIR at COP29 in Baku: Week 1 in review

    The first week of COP29 in Baku, Azerbaijan, brought together global leaders, scientists, and industry stakeholders to tackle pressing climate issues. Among the key participants, the...

    • Publication date : 2024/11/17
  • New IIR Informatory Note. Low-GWP Refrigerants: Status and Outlook

    The latest IIR Informatory Note outlines the options available for low-GWP refrigerants and their respective performance. It provides a series of recommendations on refrigerant...

    • Publication date : 2022/07/08
    • Subjects: HFCs alternatives
  • The year 2016: a new year full of opportunity

    The year 2016 will be particularly important due to increasing international discussions on the production and consumption of hydrofluorocarbons with high global warming potential.

    • Publication date : 2016/01/06
  • Happy World Ozone Day!

    On behalf of UN Environment Programme (UNEP) OzonAction, it gives us great pleasure to wish you a happy World Ozone Day.

    • Publication date : 2020/09/16
    • Subjects: Developing country, Environment
  • REAL Alternatives 4 LIFE achievements!

    After 3 years of hard work, the REAL Alternatives 4 LIFE consortium is pleased to announce the achievements of this European funded project to develop an EU-wide training on alternative low GPW...

    • Publication date : 2020/06/29
    • Subjects: HFCs alternatives
  • World Refrigeration Day 2020

    The annual World Refrigeration Day aims to raise awareness among the wider public about the importance of refrigeration technologies in everyday life. Organised under...

    • Publication date : 2020/06/25
    • Subjects: Figures, economy, Developing country
  • Frisbee Project: Latest Developments

    Frisbee is a European-Union-funded 4-year project. It was launched in September 2010 and involves 26 partners including the IIR. the IIR is in charge of collecting data and the dissemination of research outcomes. The aim is to provide new...

    • Publication date : 2011/12/20
  • 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
  • Editorial by Didier Coulomb

    In the previous issue of the Newsletter, I wrote about the conclusions I drew following the 2006 United Nations conferences on ozone depletion and climate change. A recently published important element backs up my conclusions: the Proceedings of...

    • Publication date : 2007/05/04
  • Highlights from REFCOLD India 2024

    The International Institute of Refrigeration recently participated in REFCOLD India 2024, held from October 3-5 in Kolkata, India. Organised by ISHRAE and Informa Markets, this

    • Publication date : 2024/10/30
  • Hot off the press: Handbook on Indirect Refrigeration and Heat Pump Systems

    Be the first to read the newly published IIR Handbook on Indirect Refrigeration and Heat Pump Systems.

    • Publication date : 2015/08/05
  • Editorial by François Billiard

    I am moved as I write these lines: I left the IIR on October 1, 2004, following a 5-year mandate as Director; the Executive Committee elected me on June 13, 1998. Thanks to the IIR's members, the members of its statutory committees, and the staff...

    • Publication date : 2004/11/10
  • 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
  • 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 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)
  • 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…)
  • 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 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