Gas powered fridge

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Offline MK

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Gas powered fridge
« on: 24/12/2007 09:22:40 »
I keep reading the question on the gas powered fridge, I was wondering if Ammonia is a gas and so is water at boiling point how are the two ever seperated? It seems like you are just moving them from one mix to another.

It doesn't make any sense.



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Gas powered fridge
« Reply #1 on: 24/12/2007 15:02:23 »
Gas powered fridges are different from having gas refrigerants (usually the refrigerant actually operate around its boiling point, so that you can utilise its latent heat of boiling, so you have a mix of gas and liquid).

What used to be is actually gas powered fridges, where gas (natural gas, or more likely coal gas) was burnt to drive the fridge mechanism.  I have not seen such in many decades, but that is what used to be regarded as a gas powered fridge.