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  • Briefs: CERN: LHC relaunch

    CERN's Large Hadron Collider (LHC) will initially run at an energy of 3.5 TeV per beam when it starts up in November this year. All tests on the machine's high-current electrical connections have now been completed and demonstrate that no further...

    • Publication date : 2009/12/09
  • Recent developments in automobile air conditioning

    Valeo has developed an environmentally-friendly air-conditioning system which meets future EU regulations. The Valeo R-744 system, based on CO2, represents a significant technological breakthrough due to the significantly higher pressure...

    • Publication date : 2004/11/19
  • European Commission

    The European Commission presented on August 1, 2008, a proposal to amend current Regulation 2037/2000 on ozone depleting substances (ODS) highlighting the interplay between both the ozone depleting and global warming effect from such substances...

    • Publication date : 2008/10/25
  • The HCFC phase-out challenge (2)

    - Following the decision taken in September 2007 by the signatory countries of the Montreal Protocol to accelerate by 10 years the phase-out schedule of HCFCs, the IIR has decided to have a regular section in the Newsletter dedicated to this...

    • Publication date : 2008/05/13
  • Natural refrigerants in emerging countries: GTZ

    Within the International Climate Initiative, the Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) is implementing a project aiming to introduce R290 (propane) room air-conditioning systems in China in order to replace HCFC-22. Endowed...

    • Publication date : 2010/03/07
  • Automobile air conditioning

    Toyota has developed a super lightweight external variable displacement compressor for automobile air conditioning, which helps conserve energy and resources and reduces CO 2 emissions. Conventionally, fixed displacement compressors were installed...

    • Publication date : 2005/02/11
  • 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
  • Trends and Figures: Increase in AC prices in Asia

    According to 2 articles in JARN, the prices of air conditioning are starting to show the effects of the rising raw materials prices, including those of copper, steel and aluminium. There are claims that the prices of these essential metals, in...

    • Publication date : 2006/11/15
  • 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
  • New cryogenic refrigerator to deep-freeze chips

    Researchers at the National Institute of Standards and Technology (NIST) have developed a compact, solid-state refrigerator capable of reaching very low temperatures (as low as 100 milliKelvin). The refrigerator works using a "sandwich" of normal-...

    • Publication date : 2004/05/25
  • Trends and Markets: The Dubai District-Cooling Boom

    The United Arab Emirates has the potential to become the world's largest district-cooling market: demand is estimated at 10 million tonnes of refrigeration (36 360 MW) in the next 10 years. The construction boom in Dubai has triggered particularly...

    • Publication date : 2007/02/12
  • Briefs: USA

    - The US Department of Energy (DOE) has published on August 31 the first energy efficiency standards for refrigerated vending machines. The new standards take effect in 2012 and over the following 30 years, DOE estimates it will save about 47 TWh...

    • Publication date : 2009/12/09
  • Refrigerated storage trends

    Several cold store building projects illustrate trends currently observed in the refrigerated storage field: - by building in Harnes the largest cold store in France, frozen chip producer Mc Cain intends to house under one roof in April 2010 its...

    • Publication date : 2009/05/18
  • HFO-1234yf news

    HFO-1234yf, developed by DuPont and Honeywell as a substitute for HFC-134a in mobile air-conditioning applications in response to EU 2006/40 Directive which bans the use of refrigerants with a GWP higher than 150 in new types of vehicles by...

    • Publication date : 2011/02/04
  • Alternative Cooling Technologies conference, London, 1st February 2005

    This conference, which was co-sponsored by the UK Institute of Refrigeration and organised commercially by RAC magazine, was well attended with about 140 people present. It was arranged in five sessions. In the first session, speakers from UK...

    • Publication date : 2005/02/11