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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
Paris district cooling is growing
A presentation of the Paris district cooling system by François Dupoux, President-General Director of Climespace (operator of the district cooling system) during the IIR-AFF centenary conference in Paris attracted a lot of interest. Many...
Micro-refrigeration
Future computer chips will probablly generate 10 times more heat than today's microprocessors and will require new types of cooling systems. Currently, computers are usually cooled thanks to fans and small finned devices called heat sinks, but the...
Intelligent fridges
- It is estimated that networked fridges will be widely used by 2015. How do consumers feel about such fridges that monitor product use, create shopping lists and arrange deliveries online? A recent survey involving 4600 shoppers in 8 countries...
Briefs: Development of liquid-ammonia-based CO2 capture is pacing up
Alstom, EPRI and We Energies are launching a pilot project in the United States, using a chilled liquid-ammonia-based solution in order to capture the CO2 rejected by coal-powered power plants. The system captures the gas before isolating it at...
Briefs: Accessible and free evaporative solution
A simple and ingenious utensil, the zeer pot, makes it possible to extend the shelf life of produce for several days and is becoming very popular in Africa. The system was invented by Mohammad Bah Abba, a Nigerian teacher and consultant to the...
Briefs: First zipper for meat in Europe
SPIS Grilstad is using re-sealable Zip-Pak packaging for its deli meat products and its market share has risen from 18% to 75%. Zip-pak's re-sealable devices have already been used in the US but are new to Europe. A recent study performed a...
Booming cold storage industry in Brazil
The total capacity of Brazilian public refrigerated warehouses (PRW), which was less than 100,000 m3 in 1970 exceeds 4 million m3. The main reason of this boom is rapid growth of the agribusiness sector. Brazil has the world's largest commercial...
Briefs: IoR
In the UK, the Institute of Refrigeration (IoR) has received funding from the Carbon Trust to launch "Real Zero Project": consultants will visit 30 sites including industrial food processing and small commercial sites in order to identify the main...
Briefs: certification
The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) and the China Refrigeration and Air-Conditioning Industry Association (CRAA) have signed an agreement to encourage Chinese HVACR equipment manufacturers to voluntarily participate...
Green buildings: Darmstadtium
Darmstadtium features pioneering energy-saving and environmental technologies. For instance, a "Calla" - a flower-like funnel-shaped glass roof - in the heart of the building collects rainwater, lets in daylight and sucks in fresh air. Cooling is...
Green buildings: Melbourne
Melbourne's new state-of-the-art Convention Centre has received the world's first 6-Star Green Star environmental rating for a convention centre. The award was given by the Green Building Council of Australia (GBCA) in recognition of the centre's...
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...
Trends and Figures: HVAC&R Industry is big in Australia
A new Cold Hard Facts report makes up for the lack of previous data concerning the Australian HVAC&R industry and reveals the crucial importance of the sector in the national economy. For instance, the study values the direct spending of the...
Trends and Figures: Number of refrigerators in France
According to Sofres, the number of refrigerators operating in France in 2005 was 28.2 million and that of freezers was 17.2 million. The average age of refrigerators was 9.1 years. According to GIFAM, the number of refrigerators sold in 2007 was...
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)...
Briefs: Higher temperatures for frozen foods?
The British Frozen Food Federation (BFFF) has recently begun talks with the Food ministry, in order to support slightly higher temperature levels for storage of frozen foods. Current food safety regulations state that frozen foods must be stored...
Briefs: ASERCOM Energy Efficiency Award 2008
Win 10 000 € for the top concept. The Association of European Refrigeration Component Manufacturers, ASERCOM, is to award its annual prize to the most innovative energy saving concept in refrigeration or air conditioning, including heat pumps. For...
Out of the ordinary: Keeping clay soldiers (relatively) cool
The largest group of terracotta figures ever lent by China was on display at the British Museum until April 6, 2008. The Chinese government required the 20 warriors to be kept at temperatures of 22°C + 2°C and at humidity levels of 45% RH + 8%, a...
Out of the ordinary: Fed up with warm beer?
Warm beer at a barbecue got young Kent Hodgson thinking about ways of cooling drinks without lugging around a chilly bin. The 22-year old New Zealand inventor has invented Huski, a device that turns a tepid beverage into a cold drink within...
Intense competition for the next-generation MAC refrigerant
Less than 3 years before the January 1, 2011 deadline for using fluorinated gases (F-gases) with a GWP higher than 150 in the new models of cars according to the European Directive 2006/40 on emissions from mobile air-conditioning (MAC) systems,...
Climate control in the Gibraltar tunnel project
A project for a tunnel linking Punta Paloma in Spain and Malabata Point in Morocco and currently in preparatory phase raises some interesting and crucial climate control issues. Governments of both nations appointed the Swiss engineer Giovanni...
Efficient mine cooling
Bluhm Burton Engineering (BBE) is currently implementing energy management ventilation and refrigeration systems for mines to reduce overall and to manage energy consumption. BBE's Director, Raymond Funnell, has underscored that there is a boom in...
Briefs: Solar vaccine fridges for hot countries
Storing vaccines can be difficult in areas with insufficient electric grids, and renewable energies are increasingly being used as a solution. Two companies specializing in renewable energy technologies are to supply vaccine fridges to Nigeria and...
Briefs: Cooling the Venus rover
One of the main technical challenges in sending a probe on Venus is the searing temperatures on the planet's surface: 450°C, enough to melt lead! Several probes landed on Venus in the 1970s and early 1980s, but never lasted more than two hours....
Briefs: Ice cream scoops
A new edible antifreeze developed by a US researcher could keep ice cream smooth and tasty by preventing the formation of gritty crystals when the ice cream is subjected to sudden temperature fluctuation. The antifreeze contains proteins similar...
