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Un nouveau cadre cherche à établir des normes pour la recherche sur les technologies de refroidissement par évaporation
Le refroidissement par évaporation suscite un intérêt croissant en tant qu’alternative économe en énergie à la climatisation classique. Une nouvelle étude scientifique menée par une équipe internationale de...
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2 959 actualités
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...
Trends and Markets: Turkey: the AC market is expanding rapidly
Thanks to its efforts to achieve EU membership, Turkey has also gained success in its economy: at the end of 2005, it became the 22nd exporter and the 14th importer (90 billion €) worldwide. The HVAC&R industry grew four times more than...
Trends and Markets: India: the retail boom spin-offs
India is positioned as the leading destination for retail investment. This followed saturation in Western retail markets and big Western retailers like Wal-mart and Tesco are entering the Indian market. The USD 412 billion investment which is...
Climate change: The cost of global warming
The Stern Review is the most comprehensive study ever performed on the economics of climate change. According to the report commissioned by the UK Chancellor, pre-industrial level of greenhouse gases in the atmosphere was 280 ppm CO2 equivalents...
Climate change: CERN is to investigate the climate
Besides the Large Hadron Collider project (see "Technology"), CERN is at the forefront of a wide range of other projects including one designed to investigate the influence of galactic cosmic rays on the Earth's clouds and climate: for the first...
Briefs: Changes at ARI
William G. "Woody" Sutton, President of the Air-Conditioning and Refrigeration Institute (ARI) since 2001, has resigned. Stephen Yurek has recently been appointed Chief Operating Officer and General Counsel, and Mark Menzer is now Senior Vice...
Briefs: Danfoss
Niels B. Christiansen has been promoted to Vice Chief Executive Officer of the Danfoss Group. Frederik Lotz has been appointed Executive Vice President and Chief Financial Officer. The President (CEO), Jørgen M. Clausen, intends to strengthen his...
Briefs: DKV
DKV's best annual meeting in years took place in Dresden in November 2006: 100 papers were presented and 720 participants took part. The proceedings CD-ROM can be ordered at info@dkv.org. The 2007...
Briefs: Fill ’er up with hydrogen!
The Linde Group, a corporate member of the IIR, recently inaugurated its Hydrogen Centre in Loohhof, near Munich. The 3-million € centre brings the hydrogen highway system a step closer to an economic reality and will serve as a filling station...
Briefs: Alanco
Alanco Technologies Inc.'s StarTrak Systems subsidiary has a USD 10 million contract for its wireless tracking system and related monitoring services. GenTrak is a GPS-based, wireless monitoring and control system initially used to monitor the...
Out of ordinary: Cryopreservation after death
Cryopreservation after death is catching on, at a price. Cryonics, defined as "the practice of freezing the body of a person who has just died in order to preserve it for possible resuscitation in the future, as when a cure for the disease that...
Out of ordinary: Chilled Medieval Book
A 1000-year-old Book of Psalms has been discovered by a construction worker in Ireland and is now stored in refrigeration at the National Museum of Ireland in Dublin. The book was found in a bog and the tannic acid content of the bog is thought to...
Out of ordinary: Cool Cows Produce More Milk
Cows placed in air-conditioned conditions have been shown to produce 10% more milk. It is also claimed that cows suffer from heat stress at temperatures as low as 22°C. This puts particular pressure on cows raised in hot places such as Israel, but...
Supercooling the LHC
CERN's Large Hadron Collider (LHC) is the new research instrument of the world's elementary particle physics community. This discovery-making machine will explore the structure of matter and basic forces of nature on a scale never attained before....
PCMs and ice slurries: PCMs: two recent applications
Phase-change materials (PCMs) can provide thermal storage which means that they can absorb thermal energy when they solidify and release it when they melt. This can be very useful to dampen temperature swings. PCMs are usually water-based and are...
PCMs and ice slurries: Broccoli preservation with ice slurry
Preserving the quality of extremely perishable vegetables such as broccoli is dependent on rapid and thorough cooling immediately after harvest and maintaining at a low temperature during storage or processing. The lower the storage temperature...
Cryotherapy
Whole-body cryotherapy: what does it feel like? Whole-body cryotherapy (WBC) began in Japan in the 1980s. Applications include fibromyalgia, chronic joint and spinal pain, neurodermatitis and psoriasis. Swelling and pain due to sports injuries or...
Better air in planes - at last!
A series of technical changes is making it possible to improve the quality of cabin air in airplanes which until now has been invariably dry and poor in oxygen. The reason: the air was derived from the jet engines. This so-called "bleed air" is...
Briefs: Reducing the TEWI by reducing channel size
The TEWI (Total Equivalent Warming Impact) makes it possible to measure the total impact of a system on global warming. The direct effect is produced by refrigerant loss. The indirect effect is produced by the CO2 released when producing the...
Briefs: MAC: what refrigerant will replace HFC-134a?
Following the adoption of the new European Directive 2006/40 on emissions from mobile air-conditioning systems - which bans F-gases with a GWP higher than 150 (such as HFC-134a) as of 2011 for new models of cars and similar Californian...
Briefs: Walking in space
Interested in spacesuits? Spacesuits have to protect the human body from the extreme conditions encountered in space where temperatures can range from 135°C in direct sunlight to -82°C in areas of shadow. Cooling during spacewalking is provided...
Briefs: Snow fleas and transplant organs
Researchers have discovered that a potent antifreeze protein (AFP) that protects snow fleas from freezing may allow longer storage of transplant organs. The protein has been isolated and inhibits ice growth, potentially making it possible to store...
Briefs: Britain’s greenest supermarket?
Tesco has opened its flagship environmental store in Wick in northern Scotland. The 4600 m2 store is expected to produce 50% less carbon emissions than a conventional supermarket of comparable size. Besides using wind turbines, solar cells and...
US
The US food industry's preparation to R-22 phase-out was one of the issues addressed at the 27th annual Food Marketing Institute Energy Conference in Phoenix, US, in September 2006. At least 70% of US commercial refrigerating systems still use...
Proper disposal of old appliances
The US Environmental Protection Agency along with 8 partners have launched a new, voluntarily Responsible Appliance Disposal programme to promote environmentally responsible disposal of old refrigerators and freezers, ensuring that CFCs are...
