Thread: Fridges
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Old 06-07-19, 10:59 AM   #6
Othen
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Default Re: Fridges

Quote:
Originally Posted by Seeker View Post
Maybe you keep your kitchen far cooler than mine but the cooling/heating of an object depends on its mass compared to the mass around it and the temperature difference between the objects: it would melt naturally albeit much slower than using a heater.


...but now I know. Next will be understanding why the First Law of Thermodynamics is stopping my perpetual motion machine from working.


I didn’t mean any offence. Ice would melt eventually without heating, but the long latent heat cycle would mean the temperature in the ‘fridge would rise quite a bit (depending on how many times one opened the door) during the compressor’s downtime... it might not be acceptable to have the milk at 15c.

All you need to make your perpetual motion machine work properly is a negative entropy maker, that way the thermodynamics equations work perfectly well backwards. I looked on eBay but I couldn’t find one that looked like it might work


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