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  • Edible carrot films display food packaging potential

    Barrier properties exhibited by carrot-based edible films demonstrate potential for their use as packaging for a variety of food types, according to recent research from China.

    • Publication date : 2011/12/27
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  • Magnetic refrigeration, a promising technology for the liquefaction of hydrogen

    A keynote at the recent IIR Congress highlights magnetic refrigeration as a technology with high potential for the liquefaction of hydrogen, an essential energy vector for decarbonisation. 

    • Publication date : 2023/11/28
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    Hydrogen storage tanks.

  • An award-winning industrial dairy using an integrated heat pump system

    A recent case study examined the energy consumption and system performance of an innovative integrated heat pump system of a dairy located in Norway. This dairy was among the winning projects of the 2019 “Heat...

    • Publication date : 2021/03/29
    • Subjects: Technology, Environment
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  • German heat pump market situation

    The market share of heat pumps installed in newly erected residential buildings increased from 13.2% in 2007 to 32.2% in 2013.

    • Publication date : 2016/02/09
    • Subjects: Figures, economy
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  • A mathematical study presents a general derivation and a quantifcation of the third law of thermodynamics

    Two physicists from University College London have provided a derivation of the "unattainability principle", which states that any process cannot reach absolute zero temperature in a finite number of steps.

    • Publication date : 2017/03/30
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  • Populations at risk due to lack of cooling

    The report Chilling Prospects highlights the growing and unprecedented risks for the 1.1 billion people who cannot access cooling nowadays.

    • Publication date : 2018/09/20
    • Subjects: General information, Developing country, Environment
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  • Italy limits air conditioning to 25°C

    The country has set a limit on air conditioning in schools, post offices and other public buildings. The temperature cannot be lower than 25°C from May 1, 2022. 

    • Publication date : 2022/05/27
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  • Refrigerant news: Mexichem

    Mexichem intends to compete with DuPont and Honeywell in the development of a replacement refrigerant for HFC-134a in car air conditioning systems. The company, which in February 2010 bought the Ineos fluorochemicals unit, has announced...

    • Publication date : 2011/02/07
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  • Underground river to cool the London tube

    The "Cooling the Tube" competition in 2003, promising GBP 100 000 to those finding a workable solution to cool the Tube, received 3400 entries. Modern systems with large tunnels and surface lines can be cooled using air-cooling systems. However,...

    • Publication date : 2005/02/11
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  • Fresh out of Africa

    The annual production of fruit and vegetables in Burkina-Faso is estimated at over 300 000 tonnes. It encompasses more than 30 000 producers and 25-30 km² of market garden produce and 120 km² of orchards. The official opening of the SOBFEL, the...

    • Publication date : 2006/01/24
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  • 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
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  • Solar absorption air conditioning

    When do you need air conditioning? When it is hot and sunny. This is why Broad Air Conditioning, China, one of the world's largest manufacturers of direct-fired absorption chillers, has been focusing on solar absorption air-conditioning systems...

    • Publication date : 2006/11/15
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  • Development and evaluation of a reversible CO2 residential air conditioning system compared to a state-of-the art R410a unit

    This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A reversible CO2 prototype RAC split unit system was designed, built and installed in two calorimetric test chambers. The unit is based on the Lorentzen Cycle...

    • Publication date : 2004/11/24
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  • Hygiene of foodstuffs

    On the basis of the principle that every European citizen is entitled to a varied diet of safe and wholesome food and that all information on the composition, manufacturing processes and use of foodstuffs must be clear and accurate and with a view...

    • Publication date : 2004/10/18
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  • Ozone depletion and global warming

    As an intergovernmental organization, the International Institute of Refrigeration (IIR) is invited to attend the annual conferences on the ozone layer (and the Montreal Protocol), on climate change (and the Kyoto Protocol), and to present a...

    • Publication date : 2007/02/12
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  • 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
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  • 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
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  • 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)
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