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originally posted by: rickymouse
a reply to: RussianTroll
Sounds pretty interesting. How much would it cost to make a refrigerator out of the alloy and the cost of the magnets for it? What amount of energy is needed to run the unit? Would it be more or less than a high efficiency fridge we have available? How about life expectancy of the unit?
Still a lot of questions that need to be asked about it's feasability and overall cost.
About 15 years later Green et al. built a device which actually cooled a load other than the magnetocaloric material itself and the heat exchange fluid. The major breakthrough, however, occurred in 1997 when the Ames Laboratory/Astronautics proof-of-principle refrigerator showed that magnetic refrigeration was competitive with conventional gas compression cooling. Since then, over 25 magnetic cooling units have been built and tested throughout the world. The current status of near room temperature magnetic cooling is reviewed, including a discussion of the major problems facing commercialization and potential solutions thereof.