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TEC in mineral oil??

post #1 of 20
Thread Starter 
ok so i have a test i wan't to try i have just discoverd that you can drop a whole pc in mineral oil with out it complaining and mineral oil transfer heat 10 times better than air. I have always wanted to do a TEC cooler but was worried about moister getting to the motherboard. Mineral Oil should solve that problem mineral oil can be cooled well below freezing it doesn't get thick untill it hits below -10f. I plan to keep the oil around 40f with a external cooler there will be spray nozzels on the return side pumping cool oil directly on the CPU heatsink, northbridge, memory, and GPU. I need some input from some people that have done tec cooling am i waisting my time what kinda temps can i reach and how big of a TEC do i need and how about an overload system so the TEC won't cook my CPU. Regardless how the oil will work im going to do it just because it looks cool i wish i could put fish in there with it.
post #2 of 20
I don't think tec's and oil will play well together. I'm no expert when it comes to tec's like some of these guys, though. I am, however, a big fan of exotic cooling. How exactly are you thinking about using the tec in this application?
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post #3 of 20
That's a neat idea. You could have the oil pumped into TEC blocks to be chilled and redistributed into the tank. You probably don't want to go too low on temps as not all computer parts like cold temps, but you're right about the condensation problems.

What's the hardware you want to cool?
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post #4 of 20
If the surface of the oil that's in contact with air (assuming there is one) gets below the dew point, you'll still have condensation, and water may end up pooling in the bottom of the tank.
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post #5 of 20
Thread Starter 
ya i was thinking about that i think it may need to be air tight as well mabey even charge with a little inert gas like dry nitrogen? but that would be quite a project. seeing im useing oil maby i could use a water seperator filter like a disel truck uses on it's fuel line
post #6 of 20
A long long long time ago, a guy got a hold of special and very expensive non conductive liquid that didn't freeze until a very very very low temp and cooled that liquid with liquid nitrogen, and of course submerged the whole machine/setup in the liquid. first time i ever saw an old slot style cpu clock that high.
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post #7 of 20
Thread Starter 
That's nice to hear there is another liquid besides mineral oil i think it's called florine? not shure of the spelling or even where i can get it i do know that the millitary was testing it to see if humans could breath in it because it contains oxygen they did succeed with lab rats!
post #8 of 20
Thread Starter 
ok it's not called florine it's called fluorinert made by 3M used in cpu manufacturing here is a link


http://multimedia.3m.com/mws/mediawebserver?mwsId=sssss72sFWtTz8UuoY9zpY_sFWuRFWtsFWtsFWtsFssssss--&fn=bro_heattrans.pdf


Holy Crap i finaly found some for sale at 300 to 1500 per gallon They can keep it

I have a refrigeration licens so im going to make a freon chiller to cool mineral oil
Edited by Snake78 - 9/18/12 at 9:49am
post #9 of 20
Mineral Oil cooling is there for a looong time.

But beware it's a 1 time event! --> I mean, you cannot use your computer again AFTER you get it out of the oil...

Reason is: all the oil will penetrat deep into the empty slots of RAM, PCI-e, etc... creating a perfect insulator. So when you want to pop in another card it will not make contact on the goldfingers...


Other then that, I also wanted to do that a few years ago, but I went for air cooling after all tongue.gif
   
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post #10 of 20
Mineral oil is a bad mix for TECs. If you have seen any results from oil cooled PCs, one thing stands out. They take a long time to reach full load, but once there they hold a TON of heat in the loop, and stay at that high temp long after you remove the load. TECs release a ton of heat, which mineral oil won't be able to keep cool.

You can't cool a TEC with it, but maybe a traditional watercooling loop on the hot side and then just use the cold side in a chiller to cool the ambient water in a submersion fish-tank PC?

Going further, you may be better off just submerging an Arqtik chiller in a tank of mineral oil, leave the cold side loop output open, and keep the hot side isolated with a separate external radiator standard WC setup.
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