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Thread: -120C low temp refrigerator
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10-08-2009, 08:31 AM #1
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-120C low temp refrigerator
One of my friends ask me how to build a -120C low temp refrogerator (cooling capacity 100W ,reach -120C in 60mins,single stage compressor). I've no idea. Pls give me some help.
rgds
LC
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11-08-2009, 11:40 PM #2
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Re: -120C low temp refrigerator
Sounds like a trick question.
Brian - Newton Abbot, Devon, UK
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12-08-2009, 03:14 AM #3
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Re: -120C low temp refrigerator
100 watt cooling capacity had me stuffed,not that im well versed in ultra colds anyway.
mmm to beer or not to beer...........lets drink breakfast
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12-08-2009, 11:36 PM #4
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Re: -120C low temp refrigerator
I suppose liquid nitrogen could be used for a quick result.
Brian - Newton Abbot, Devon, UK
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13-08-2009, 12:50 AM #5
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Re: -120C low temp refrigerator
I have the need to build a test chamber to -60°C , and load is just 150 W . sensible heat , a device operating at 50 VDC 3 Amp .
Maybe I can do it in 2 stages or cascade
But it is my first time on such topic, the 2 stages.
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