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Windows 7: Water vs Oil

09 Nov 2014   #1
Shimshom

Windows 7 Ultimate x64
 
 
Water vs Oil

Not a problem just more of a question for future builds. Many people use water to cool their systems which is great but has the always present danger of leaks therefore potential damage to other components. Others now use mineral oil for cooling which is great but looks really messy and when upgrading components wouldn't be as easy as just opening the side of the case. So the question is would it be possible to fill a water system with oil instead therefore if it does leak it wouldn't damage anything just be a bit of a cleaning job and whether the oil is a good enough medium to be used that way. Any thoughts or suggestions are appreciated


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09 Nov 2014   #2
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

I believe at least 2 things will make water a better choice. It is a better heat conductor then oil. It holds heat less then oil. That is it will better transfer the heat to the radiator, whereas the oil would hold the heat. Actually a 3rd issue occurs to be, the viscosity of oil would be murder on the pump in comparison to water. A Guy
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09 Nov 2014   #3
Shimshom

Windows 7 Ultimate x64
 
 

Thanks and yes I agree it would require a better pump and probably more expensive components but would keeping the radiator inside a cooler such as a modified car cooler (Obviously separate from the PC) achieve better results or is the chance of a good water system springing a leak is too small to worry about such things in the first place
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09 Nov 2014   #4
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

I think your last sentence is correct. The chance of a leak is rather small. A Guy
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09 Nov 2014   #5
Shimshom

Windows 7 Ultimate x64
 
 

Thanks I will stick for now to the tried and true just always good to try and push the envelop a bit
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09 Nov 2014   #6
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Doesn't hurt to ask, but I would assume if it was necessary, they would already be doing it

A Guy
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09 Nov 2014   #7
Shimshom

Windows 7 Ultimate x64
 
 

Indeed seems whenever we think of something, someone somewhere had already thought about it too but still worthwhile thinking outside the square in case it can be fitted inside a circle with mods of course
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09 Nov 2014   #8
badcrc

Windows 7 Pro x64 sp1
 
 

Specific heat or heat capacity is the amount of heat required to raise 1 kg by 1 deg C. The higher the value, the better the substance is at removing heat in a given cooling system eg car engine, cpu etc because it can absorb (and move) more heat. Chart here of various liquids

Liquids and Fluids - Specific Heats

in that chart, water scores 2X as most common oils ie you'd need 2X the amount of oil for the same cooling effect. Other liquids rate higher than water, but are very toxic eg ammonia.

Looks like water is the best bet for cooling IMHO. Since oil is more viscous than water, I guess it would need a more powerful pump also.
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09 Nov 2014   #9
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

If a water cooling system is built properly it will not leak.
Distilled water is best for your system and cools your system the best.

They do make fluids for computer liquid cooled that do transfer heat very well and are non conductive if by chance you do get a leak.

Oil of any kind in a computer cooling system is a no no. Very poor heat transfer.
As far as I know the do not make a computer cooling system pump that will do the job for long.

I personally use distilled water with a silver kill coil to stop bacteria growth.
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09 Nov 2014   #10
badcrc

Windows 7 Pro x64 sp1
 
 

Quote   Quote: Originally Posted by Shimshom View Post
. . . Others now use mineral oil for cooling which is great but looks really messy and when upgrading components wouldn't be as easy as just opening the side of the case. . .
After re-reading post #1, I was wondering if the OP was referring to completely submerging the mobo etc in oil. When I first read about underwater pc's I thought it was an April fool joke (still have my doubts). Anyway, a quick google found lots of refs to submerged pc's eg

Custom PC; Mineral Oil Submerged Computer

Strip Out The Fans, Add 8 Gallons of Cooking Oil - Dousing Your Athlon FX-55 With Eight Gallons Of Cooking Oil?

don't try this at home etc
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