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Thread: Magnetic refrigerators!!
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19-02-2006, 07:09 AM #1
Magnetic refrigerators!!
Hi everyone,
Can anybody inform me about magnetic refrigeration technology? Will we continue to use R-22 as a refrigerant?
thanks for your consideration,
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19-02-2006, 08:54 AM #2
Re: Magnetic refrigerators!!
Originally Posted by reb
Or they could take the American option and just do their own thing
Even American has phase out dates for R22. R22 is a refrigerant with a short term life.
Magnetic refrigeration is only in the eairly stages and may not be comercially viable.
Compressors with magnetic bearings are already in use.
www.turbocor.com
Kind Regards. Andy.
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20-02-2006, 02:28 PM #3
Re: Magnetic refrigerators!!
Thanks for your reply, but can you also tell me any companies that are working on magnetic refrigerators as a research? Also what are the refrigerants that are taking place of R-22?
Thanks
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20-02-2006, 08:28 PM #4
Re: Magnetic refrigerators!!
Originally Posted by reb
R22 is replaced by 404a in the Uk except for A/C which uses 407c and more lately 410a. R12 has been replaced by R134a, but you did not need to know that.
America use R134a to replace R22 and some 407c in A/C (Airconditioning)
Kind Regards. Andy.
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21-02-2006, 04:36 PM #5
Re: Magnetic refrigerators!!
hi Reb
It is a interesting way to make cooling, but as Andy says
it wil take some times to use this.
http://physicsweb.org/articles/news/6/1/4
Here is a link for magnetic cooling.
Best regards
Carlo Hansen
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04-03-2006, 04:59 AM #6
Re: Magnetic refrigerators!!
Here is a copy of a part of an article from a German author, Krosse L., in 2005:
"Magnetic cooling is based on the reversible magneto-caloric effect. Cooling can be obtained by magnetising and demagnetising MCE-materials with permanent magnets, so very little electrical energy is needed. Furthermore, any fluid, such as water or air can be used as the heat transfer medium. Among the advantages of magnetic cooling are: silent operation, application of environmentally friendly heat transfer media and energy efficiency. On the other hand it is still an immature technology, unknown by most manufacturers and multiple step systems are needed to bridge a sufficient temperature gradient at acceptable cooling capacities."
There may also be some information on :
http://www.arti-21cr.org/research/co...0010-final.pdf
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04-03-2006, 09:52 AM #7
Re: Magnetic refrigerators!!
www.fridgemagnet.net
cheers
slingbladeTakes a licking, keeps on ticking.
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