Fridges Can Cut Energy Usage By Half If Alloy Based Chemicals Are Used

June 19, 2008 at 8:51 pm Leave a comment

European researchers say they have begun to develop fridges that are powered by a 100% alloy which will reduce their energy usage by 50%. In the last 15 years, fridge technology developers have had to consider what option would be the lesser of two evils. Environmentalists alerted them to the harmful side effects of chlorofluorocarbons (CFCs), the refrigerant chemical, but alternative refrigerants require a lot more energy.

But now there’s an alternative to both chemicals, a solution that will reduce your fridge’s energy bill by half. Trick is to use electromagnetic fields cleverly. No joking. The scientists work on behalf of BASF, the chemicals company, and a Dutch foundation called Fundamental Research on Matter (FOM). They are pioneering technology based on magnetocaloric materials (again, no joking). These materials are a new class of refrigerants and are set to significantly reduce the negative impact of today’s cooling systems on the environment.

Full testing is underway but it’s very likely that magnetocaloric materials are highly efficient cooling agents. Research leader Prof.dr. Ekkes Brück from Delft University of Technology has reserved five years for developing the materials with the best properties. He and his team will be working in the BASF laboratories in the Netherlands and Germany to improve the alternative chemicals requiring lower energy levels.

Magnetocaloric materials are solid alloys and earlier research by the scientists has already proven that it’s set to be an attractive alternative for cooling fridges. “The [magnetocaloric materials] warm up in a magnetic field and cool down when the field is removed. Theoretical considerations show an energy savings potential of up to fifty percent”, the scientists say. Not only will the technology be applicable to fridges, but because of its compactness it’s likely it can easily be installed in air conditioners, central heating systems and even in computers.

The technology, if it makes the commercial stages, will be staggeringly useful because it’s estimated that 25% of our total energy consumption today is used for cooling applications, for instance in refrigerators and air conditioners.

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Entry filed under: Green Marketing, Green News, Green Recycling.

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