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subzero submerged cooling

post #1 of 5
Thread Starter 
so i have seen people submerge pcs in mineral oil and i have seen people take air conditioners to make cheap sub zero liquid cooling but what if you mixed the two? mineral oil freezing temp is -22f so in thought this seems like it would work i know mineral oil gets very dense at such cold temps. but that shouldn't matter as long as you don't submerge moving part's correct? thoughts as to why this wouldn't work?
post #2 of 5
Density (weight per unit volume) isn't the problem, viscosity is.
No flow = minimal heat transfer.
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post #3 of 5
Thread Starter 
im saying what if you submerged the heat ex changer into the mineral oil and also submerged the motherboard into the same mineral oil
post #4 of 5
For this to work well you need proper flow. The problem with cooling fluids this much is there is a increase in density and viscosity. You would have to use larger pumps to get the flow rates where you need them and be aware of the extra pressure that would result because of this.

Not saying it is impossible, just that there is more to consider.

Source: I'm a Fluid engineer.
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post #5 of 5
Novec 7000 has a freezing point of -120c and has been used to cool a pc via submerged cooling
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