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  • Benefits of thermal energy storage

    The use of thermal storage, coupled to a refrigeration unit, allows the user to reduce the cooling capacity of installed units, to lower operating costs and electric bills, to increase plant reliability and to provide an effective solution for...

    • Publication date : 2013/03/29
  • IJR highlights: review of low-GWP alternative refrigerants

    In a recent review article based on over 60 published studies and published in the International Journal of Refrigeration, Chinese researchers have compared nearly 40 alternative low-GWP refrigerants in terms of...

    • Publication date : 2021/06/28
    • Subjects: HFCs alternatives
  • LHC season 3: cryogenic cooling system upgrade

    The particle accelerator returned to service in 2022 after numerous improvements, including an increase in cryogenic cooling power at point 4. 

    • Publication date : 2022/05/30
    • Subjects: Technology
  • How to evaluate the refrigerating capacity of compressors?

    Most compressor manufacturers express the capacity of their compressors using the "nominal capacity" of the motor, expressed in HP (1 Horse Power = 0.735 kW) which does not give precise information on the refrigerating capacity of the compressor....

    • Publication date : 2007/05/04
  • The French air-conditioning market is growing significantly

    According to Clim'info, in France, sales of individual air conditioners (with capacities below 17.5 kW) have undergone a very strong progression - about 40% - in 2003 compared with 2002. Sales of small mobile units, in particular, have benefited...

    • Publication date : 2004/07/15
  • Charge minimization in hydrocarbon systems

    This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). It presents the results of the project to minimize charge in a R290 system that has 1-1.5 kW refrigeration capacity. Currently, there are many guidelines...

    • Publication date : 2004/11/24
  • LNG vessels

    The world's largest LNG vessel, Mozah, recently made its maiden visit to the South Hook LNG Terminal in Milford Haven, UK, heralding a new era in the history of liquefied natural gas (LNG) transportation. The Q-Max ship measures 345 metres long,...

    • Publication date : 2010/03/07
  • Sorption chillers

    Sorption chiller technology is rapidly developing, especially that using solar energy. - As highlighted by Jacob and Kohlenbach* during the latest IIR Gustav Lorentzen Conference on Natural Working Fluids in Sydney, in Europe, numerous new...

    • Publication date : 2011/02/07
  • French supermarkets turn to ice slurries

    - Carrefour 's Collégien, France, hypermarket is using indirect refrigeration for over 6100 m 2 out of a total 15 000 m 2 surface area: CO 2 (in a 4-loop system) for temperatures below 0°C (refrigerating capacity: 232 kW) and ice slurries...

    • Publication date : 2005/02/11
  • Magnetic cooling takes off

    - The principle of magnetic cooling is based on the magnetocaloric effect, which was discovered in 1881 by Warburg. Magnetocaloric materials heat up when they are positioned in a magnetic field and cool down to a lower temperature than their...

    • Publication date : 2005/02/11
  • Trends and Figures: Cold storage capacity per capita, a global glimpse

    IARW published a list showing their member countries' public refrigerated capacity in 2006 and we thought it might be interesting to calculate the refrigerated-warehouse capacity per capita by country. The list is topped by The Netherlands (551...

    • Publication date : 2006/11/15
  • Figures: the cold chain in Germany

    According to the VDKL's latest survey on refrigerated and frozen storage capacities in Germany, in 2005 there were over 728 cold stores with a capacity over 2000 m3. Overall capacity amounted to 20 million m3. There are over 55 000 lorries and 43...

    • Publication date : 2007/11/20
  • 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
  • Cold storage: figures

    According to the International Association of Refrigerated Warehouses (IARW) Global Cold Storage Capacity Report, public refrigerated warehouse storage is increasing around the world. Data from over 40 member countries was collected for the 2008...

    • Publication date : 2008/10/25
  • R&D

    The US Department of Energy's National Renewable Energy Laboratory (NREL) has developed a new air-conditioning system combining membranes, evaporative coolers and desiccants into a single device with the objective to suit to all climates,...

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