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For people trying to do insane OCs..

post #1 of 39
Thread Starter 
Why not just drop the whole damn mobo into a vat of liquid nitrogen, instead of worrying about cooling individual parts on it?
post #2 of 39
Quote:
Originally Posted by demoship View Post
Why not just drop the whole damn mobo into a vat of liquid nitrogen, instead of worrying about cooling individual parts on it?
something tells me that would not work...
    
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post #3 of 39
lol..i was thinking about putting dry ice on my celeron thats laying around in the closet to see how far i can go with it.
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post #4 of 39
Liquid nitrogen.
post #5 of 39
Quote:
Originally Posted by W0rLDWaR4 View Post
lol..i was thinking about putting dry ice on my celeron thats laying around in the closet to see what i could with it.
And how would heat transfer?
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post #6 of 39
Thread Starter 
Is it conductive?

I don't think liquid air conducts electricity..

Of course, it'd cost a lot more to keep the whole mobo submerged in liquid nitro, but I don't think cost is an issue here.
post #7 of 39
Quote:
Originally Posted by MGX1016 View Post
And how would heat transfer?
Heat would not need to transfer if dry ice was used, the coldness would be so intense, the temps would drop below 0 w/ ease.
    
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post #8 of 39
Quote:
Originally Posted by demoship View Post
Is it conductive?

I don't think liquid air conducts electricity..

Of course, it'd cost a lot more to keep the whole mobo submerged in liquid nitro, but I don't think cost is an issue here.
The board as a whole wouldn't be happy under 0C.
Certain parts would love it, others wouldn't work.

If you were to do Dry Ice Blasting, it might work if you seal off the areas that you won't want to cool...(Dry Ice Blasting = non-corrosive & conductive)
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post #9 of 39
everything has an operating range and cooler does not necessarily mean better. items like capacitors would burst open or fail to hold a charge.
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post #10 of 39
Quote:
Originally Posted by ClaytonCallihan View Post
Heat would not need to transfer if dry ice was used, the coldness would be so intense, the temps would drop below 0 w/ ease.
LOL. Sorry but that is NOT how it happens! To anyone who has a reasonable grasp of Thermodynamics that statement sounds completely idiotic!

Coldness does not exist. Cold is simply heattransfer from our bodies to another object. The heat transfer away from our bodies makes us experience coldness. Example: Place a block of plastic, and a block of aluminium in a room and leave them there for a day. Both will be roughly at the same temperatures, but the aluminium block feels colder because of the higher rate of heat transfer from your hand to the block.

In the case of dry ice you have heat transfer from the processor heatsink (Or the pot if thats what your using) to the dry ice, which causes the dry ice to change phase into CO2 and that process absorbs heat and thus transfers heat from the CPU to the Dry Ice. The reason it gets so cold is because part of the equation which determines heat transfer relies of Delta T or the difference in temperature beteen 2 surfaces. If this is very high then alot of heat is transferred. Also there is a property known as thermal conductivity which is a property of the material. Surface area also determines the rate of heat transfer.

So we get an equation like this:

Rate of heat transfer = Thermal Conductivity x Surface Area x (Temperature of CPU - Temperature of Dry Ice)

Hope that makes sense!
    
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