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  • Impact of failures on the performance of refrigeration systems 

    An Australian study assesses the impact of failures of different refrigeration systems on their performance. Various air conditioning systems, refrigerated display cabinets and walk-in cold rooms were put to the...

    • Publication date : 2022/12/12
  • Briefs: Evaporating tiles to cool rooms

    UK Loughborough University's Zephyr project "Ceiling tiles" was finalist in the Financial Times Climate Change Challenge. The tiles draw up heat from a room which passes through a moist wick surface in the ceiling tile, achieving cooling lowering...

    • Publication date : 2009/08/13
  • The latest in laptop cooling technology

    The latest developments in laptop cooling technology are based on liquid cooling systems which are thermally more efficient than regular air-based systems. In the past, liquid cooling was not a practical option for laptops because there wasn’t...

    • Publication date : 2013/06/25
  • Cold temperatures, a potential ally against cancer

    Exposure to cold temperatures can reduce tumour growth by slowing down the glucose metabolism of cancer cells. 

    • Publication date : 2022/09/28
    • Subjects: Technology
  • IIR Member news: A new Application Development center launched by Danfoss in China

    Danfoss has inaugurated a new Application Development Center (ADC) for its cooling business in Haiyan, China

    • Publication date : 2018/09/20
  • Markets: Global AC expansion

    AC shipments hid a record high of 70.6 million units in 2006. US growth was particularly marked: 9 million room air conditioners (RACs) were shipped, this being 11% more than in 2005. Japan shipped 7.5 million RACs (0.5% increase compared with...

    • Publication date : 2007/11/20
  • LHC accelerating science

    The first beam in the Large Hadron Collider at CERN was steered around the full 27 km of the world's most powerful particle accelerator on September 10, 2008, in Geneva. Beams of protons circulating in opposite directions are to be brought into...

    • Publication date : 2008/10/25
  • Trends

    - The worldwide market for air conditioning was estimated by BSRIA as being 34 billion USD in 2001 and was forecast to reach 39 billion USD in 2004. The Freedonia Group predicts a rise to 56 billion USD by 2008. Fastest growth will occur in the...

    • Publication date : 2005/02/11
  • For IIR members only

    An innovation in thermoregulating clothing

    Thermoregulating garments powered by solar energy and bidirectional electrocaloric devices are under development. They are said to be effective for outdoor temperatures of 12.5 to...

    • Publication date : 2024/01/26
    • Subjects: Technology
  • Solar-powered modular facade capable of cooling and heating a building

    In Germany, researchers are testing a modular solar-powered facade that includes a mini heat pump for heating and cooling, and a decentralised ventilation unit with heat...

    • Publication date : 2022/02/07
    • Subjects: Technology
  • DuPont develops a new foam expansion agent

    FEA-1100, DuPont’s latest foam expansion agent, has an excellent environmental profile. It is characterized by zero ozone depletion potential and low global warming potential (9.4). DuPont indicates that FEA-1100 has a short atmospheric lifetime:...

    • Publication date : 2011/06/08
  • India tests expose AC inefficiencies at higher temperatures

    In India, air conditioners are responsible for peak energy consumption in urban districts.

    • Publication date : 2017/01/27
    • Subjects: Figures, economy
  • China: what refrigerant to replace HCFCs?

    In December 2011, the China Household Electrical Appliances Association (CHEAA) issued China’s first industry technology roadmap. For the refrigeration industry, the roadmap aims to increase energy efficiency by 20% by 2015, and by 2020 by another...

    • Publication date : 2012/04/12
  • New energy saving defrost technology

    A new technology which is claimed to save 1.94 billion € on supermarket refrigeration energy costs has been presented.

    • Publication date : 2014/04/29
  • Cryoextraction techniques for better tasting wine?

    A recent study in Spain suggests that freezing white grapes using low temperatures in the winemaking process, produces wines that are more aromatic than wines produced with traditional...

    • Publication date : 2020/11/27
  • 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)
  • 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
  • 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
  • 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