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  • Noise reduction strategies for screw compressors

    The operating noise of twin-screw compressors is an important issue that may limit their scope of application. Two recent IJR papers suggest several noise reduction methods and analyse their...

    • Publication date : 2021/05/31
  • Ohrid conference highlights: ammonia refrigeration in China

    Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. According to Jianji Zhang, series reciprocating compressors are currently the most widely used due to...

    • Publication date : 2013/08/21
  • The global refrigeration compressor market

    Bien que pénalisé par la pandémie de Covid-19 qui a fortement impacté le secteur du conditionnement d’air, le marché des compresseurs a progressé dans certains domaines tels que la chaîne du froid, l’industrie...

    • Publication date : 2021/04/29
    • Subjects: Figures, economy
  • Scroll compressors offer top efficiency

    Scroll compressors offer top efficiency The Taiwan-based compressor manufacturer ChynTec International Co. Ltd. published an article earlier this year offering a synthetic comparison of the general performance of reciprocating, scroll and screw...

    • Publication date : 2005/12/22
  • Compressors: key trends

    Over the past few years, the design and performance of rotary, reciprocating positive displacement and dynamic compressors have been greatly improved. CO2 compressors have conquered new niches and twin-screw compressors are now increasingly used...

    • Publication date : 2005/10/26
  • 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
  • Trends and Figures: Chiller market grows and diversifies

    According to reports published during the 2008 AHR Expo held on January 22-24, 2008 in New York, the chiller market in 2006 was USD 2 billion in Asia-Pacific, USD 1.5 billion in Europe and USD 1 billion in the US. The growth (as compared to 2005)...

    • Publication date : 2008/05/13
  • World AC and compressor trends

    In its recent report, JARN estimates that the HVAC&R market in 2006 was about 66 billion USD and about half of sales were air conditioners and related products. - Regarding the AC market, China, the US, Japan and major European countries make...

    • Publication date : 2007/05/04
  • Chillers: efficiency takes off

    Chillers are key refrigerating systems since, according to the Department of Energy, in the US, they account for about 13% of the power consumed by the nation's buildings and 9% of the overall demand for electric power. Examples below illustrate...

    • Publication date : 2008/10/25
  • 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
  • Trends: compressors

    - Global compressor sales JARN has published an extensive overview of compressor markets in 2009. On the whole, the compressor market has suffered from the decrease in the air-conditioning market (-2.9% compared with 2008). Sales of rotary...

    • Publication date : 2010/05/27
  • Briefs: Magnetic-levitation bearing system

    The world's first large tonnage magnetic-levitation bearing air-cooled chiller for air conditioning is being installed in the American Embassy in Tokyo. The 2520-kW chiller plant consists of 12 MagLev Chiller modules. OBO, which installed it,...

    • Publication date : 2007/05/04
  • Star in the Shetlands: Star Refrigeration

    Star Refrigeration, a corporate member of the IIR, has equipped Shetland Catch Ltd. with new blast-freezing equipment, raising the capacity from 200 to over 750 tonnes per day. Shetland Catch's plant near Lerwick is now probably the largest...

    • Publication date : 2004/11/10
  • Briefs: Sustainable fishery in Namibia

    Since November 2009, Hangana Seafood has a new pre-sorting facility in Walvis Bay harbour, Namibia, which uses ammonia as a refrigerant. The 2800 m² sorting facility has a 0°C chill room for holding unsorted fish, two 16°C temperature-controlled...

    • Publication date : 2011/02/04
  • Briefs: Largest distribution centre in Africa

    The centre, built by Woolworths in Midrand, South Africa has a surface area of 72 000 m². The 2-stage refrigeration system uses 4.2 tons of ammonia. It operates at -9°C/+32°C on the low stage while the high-stage ammonia circuit is used to chill...

    • Publication date : 2008/02/12
  • News from IIR members: MYCOM Mayekawa

    The Japanese compressor manufacturer MYCOM Mayekawa will be introducing its high-efficiency NH3/CO2 cooling system NewTon3000 within the context of the Garden City Ammonia Program (GCAP). GCAP is actively promoting CO2 emissions reduction and...

    • Publication date : 2011/02/07
  • News from IIR members: Nestlé

    Nestlé's confectionery production facility in Halifax, UK, has implemented an award-winning innovative ammonia heat pump plant to power its operations, cutting costs at the site by over 240 000 € per year. The system, formed by a collaborative...

    • Publication date : 2011/02/07
  • New JSRAE book on refrigeration compressors

    The IIR partner JSRAE just published a comprehensive book, “Compressors for Air Conditioning and Refrigeration”.

    • Publication date : 2018/05/17
  • News from IIR members: Star Refrigeration

    Star Refrigeration has installed a highly efficient Azanechiller at a Scottish meat processing facility. The central pumped glycol system has a total cooling capacity of 365kW and includes pumps with variable speed drives, six ceiling...

    • Publication date : 2011/08/04