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Ozone-depleting chemicals detected by scientists in the atmosphere in 1951 – decades earlier than expected
An international team led by the University of Bremen, Germany, has uncovered evidence of ozone-depleting chlorofluorocarbons (CFCs) in the atmosphere as early as 1951. This finding pushes back the known...
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2 939 actualités
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...
Air paths inside fruit
Microscopically small structures inside pears and apples allow them to "breathe". Researchers at the Catholic University of Leuven and the European Synchrotron Radiation Facility (ESRF) have visualized these pathways for the first time, therefore...
Briefs: Ice cubes at over 10°C
Ice slurries are well known for their capacity to transport heat within confined systems. Cemagref is currently working on a new type of two-phase secondary refrigerant: a gas-hydrate slurry which could pave the way for applications in the...
Briefs: cryogenic labels
In order to identify specimens for forensic investigations, medical research or blood, plasma and semen donations, reliable identification is vital. Labels used for deep-frozen material need to be durable and legible and must remain where they are...
Briefs: A comeback for Einstein’s fridge?
Scientists at Oxford University have rebuilt one of Einstein's early inventions in an attempt to develop an environmentally friendly refrigerator that runs without electricity. They have built a prototype of a fridge patented in 1930 by Einstein...
Briefs: Flat-panel fridge
According to researchers at Pennsylvania State University, a new approach to refrigeration and cooling could make for high-efficiency, portable, and quiet refrigerators in the future. The method works by repeatedly applying an electric field to...
Briefs: Edible optics to prevent food poisoning
Edible nanosensors made from silk could alert consumers regarding potential contamination of food thanks to a hologram-type indicator embedded in the pack. Researchers at Tufts University in the US are working on the development of bioactive silk...
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...
Briefs: magnetic refrigeration
Camfridge, which is developing magnetic gas-free refrigeration technology, has been ranked top of its category - electricals - in the Guardian/Library House "Cleantech 100" list. The 100 European companies that make up the list are selected by an...
Ultracold polar molecules
Scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU-Boulder), have applied their expertise in ultracold atoms and lasers to produce the first high-density...
Briefs: Proklima
Proklima has published a book entitled Natural Refrigerants covering sustainable ozone-friendly and climate-friendly alternatives to HCFCs on behalf of Germany's Federal Ministry for Economic Cooperation and Development. Proklima is a programme...
India’s largest HVAC project
ETA Engineering is to install the HVAC system in Terminal 3 in Dehli International Airport, at a price of around 100 million USD. Due to be completed in September 2009 and to be handed over in March 2010, the 450 000 m² facility will be cooled by...
The HCFC phase-out challenge (3)
The decision taken in September 2007 by the signatory countries of the Montreal Protocol to accelerate by 10 years the HCFC phase-out schedule entered into force and became binding to all Parties on May 14, 2008 (see the official notification:
Trends and Figures: Global air-conditioning market
The new BSRIA review of the world air-conditioning (AC) market in 2007 shows a significant increase, since global AC sales were valued at USD 62 billion as compared to USD 55 billion in 2006. Globally, Asia Pacific is the largest regional market...
Trends and Figures: European food industry
The average quantity of foodstuffs consumed each year by a typical European is 530 kg, 350 kg of which is either refrigerated or quick-frozen. Therefore, 172 million tonnes of foodstuffs are transported annually under controlled-temperature...
Trends and Figures: European dairy products
Recent figures show that Europe, with a 42% share in the worldwide market, is the largest market for dairy products. The cheese market accounted for 50% of European sales in 2007. The global market for dairy products is expected to reach USD 305...
Illegal trade in ODS
Some recent facts show the difficulty to tackle the illegal disposal of CFC appliances and CFCs and HCFCs trading issues: - The German business magazine Capital divulged that CFC-containing refrigeration appliances were discovered in two car...
MAC: CO2 or HFO-1234yf?
The SAE Alternate Refrigerant Symposium held in Phoenix, USA, on June 10-12, 2008, provided an opportunity for the various stakeholders of the global automotive industry to present their views regarding the next-generation refrigerant in mobile...
Green buildings
Moscow City Tower is to be Europe's tallest and the world's second tallest building. The 600-m naturally ventilated tower designed by Norman Foster will accommodate 25 000 people - a city unto itself - and the designer is aiming for LEED gold...
Briefs: US supermarkets: CO2 gains ground
Being already largely used in Europe, CO2 refrigeration systems might see important development in North American supermarkets. The medium-size retail chain Price Chopper Supermarkets has installed a cascade system using CO2 in the low-temperature...
Briefs: How cold is your fridge?
Steve James and Chris James at The Food Refrigeration and Process Engineering Research Centre at the University of Bristol, UK, have published a comprehensive study on consumer handling of chilled and frozen products. Consumer habits in 17...
Briefs: Qatargas
Qatargas has just announced that it has signed a sales and purchase agreement to sign 2 million tonnes per annum (mtpa) of liquefied natural gas (LNG) under a 25-year contract to China National Offshore Oil Corporation (CNOOC). The LNG will be...
Briefs: Cryogen-Expo
Cryogen-Expo will take place on November 11-13, 2008 in Pavilion No 5, Expocentre Fairgrounds, in Moscow, Russia. This major exhibition held under the auspices of the IIR, the International Academy of Refrigeration and the Ukrainian Association of...
Cryogenic applications: Cooling largest outer-space telescope
In his presentation on cryogenics applications at the IIR-AFF centenary conference in Paris (see Focus), Philippe Lebrun, President of the IIR's Section A, mentioned cryogenic detectors of cosmic signals and cited Herschel probe as an example. The...
Cryogenic applications: Major cryogenic storage project
Thames Cryogenics is setting up one of the most ambitious cryogenic storage projects in Europe. The UK Biobank, based in Stockport, Oxfordshire, aims to recruit around 500 000 people across the UK between the ages of 40 to 69 and to track their...
