Search results

  • For IIR members only

    Frost detection and defrosting methods: latest advances

    A recent Purdue conference paper presents the state of the art regarding methods for retarding the onset of frosting, frost detection techniques and defrosting strategies, including those based on artificial...

    • Publication date : 2023/02/21
  • Frost mitigation methods for heat pumps and refrigeration systems

    Frost growth is an important issue since defrosting can represent up to 30% of the total energy consumption of refrigerated display cabinets. Review of the various frost mitigation technologies and latest...

    • Publication date : 2021/12/15
    • Subjects: Technology
  • Pulse technology defrosts surfaces in seconds

    A team of Japanese and American researchers is developing with a new, fast and efficient technology to defrost surfaces.

    • Publication date : 2019/09/30
  • Briefs: Heinen

    Heinen claims that its new, compact spiral freezer reduces defrosting time and allows longer production periods without defrosting thanks to a programmable air-cooler rinsing system that sprinkles warm water over the air coolers. Another feature...

    • Publication date : 2006/07/26
  • 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
  • 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
  • Briefs: Grenco Marine

    Grenco Marine has developed the first ammonia/carbon dioxide cascade systems to be used on board fishing vessels. Experience with the Dirk-Dirk (a trawler with a capacity of 235 tons of fish/day) led to the development of a new defrosting process:...

    • Publication date : 2006/07/26
  • 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
  • A novel method for frost detection

    Frost growth on the evaporator coils of a refrigeration plant can dramatically reduce its efficiency. A novel indirect detection method that would avoid frost built-up has been developed.

    • Publication date : 2020/02/06
  • ICR 2019: an overview of current refrigeration research (part I)

    Presentation of the main scientific and technical topics covered in the papers of the 25th IIR International Congress of Refrigeration and summary of some of the 14 keynotes.

    • Publication date : 2019/09/30
    • Subjects: HFCs alternatives
  • Siberian nematode worms kept in permafrost for 42,000 years come back to life

    A team of Russian researchers revived two nematodes buried in Siberian permafrost for 32,000 and 42,000 years.

    • Publication date : 2018/09/20
  • The Indian cold storage sector

    Only two per cent of produce in India are held or transported using cold storage facilities compared to 85 per cent in the US.

    • Publication date : 2016/12/20
    • Subjects: Figures, economy