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Phaedrus@CES : Taking phase change to a whole new level - Page 2

post #11 of 97
1/13/12 at 9:08pm
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Quote:
Originally Posted by Crazy9000 View Post

This liquid boils at 36c or whatever. Once it reaches that temperature, it vaporizes and bubbles up to the top. A heatsink on anything in the computer would only give that component higher temps.

Not so, a properly designed heatsink will give greater surface area for heat transfer.
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post #12 of 97
1/13/12 at 9:10pm
It's like one great big heat-pipe that the whole computer sits in. My question would be what components can be submerged and if it is like mineral oil in that it will "creep" out of the tank.
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post #13 of 97
1/13/12 at 9:12pm
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Originally Posted by animal0307 View Post

This stuff is boss. I wanted to make one until I found out it cost $300+ a gallon

I believe it's call Novec 7000 for anyone that cares.

Also not new but I was curious how this stuff would handle high end hardware with and OC.



I was just looking for that link biggrin.gif

Pretty neat still.
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post #14 of 97
1/13/12 at 9:13pm
Quote:
Originally Posted by Phaedrus2129 View Post

Not so, a properly designed heatsink will give greater surface area for heat transfer.

That would only help if the component gets so hot that the fluid can't boil off it fast enough. Otherwise, once the component hits 34c, the fluid should boil and be replaced by more fluid that can take more heat. If the fluid can keep up, then you are only getting in the way.

However if the fluid can't boil off fast enough, then you will definitely see an improvement, as the heatsink would have much more surface area to distribute the heat into.
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post #15 of 97
1/13/12 at 9:18pm
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Quote:
Originally Posted by Crazy9000 View Post


That would only help if the component gets so hot that the fluid can't boil off it fast enough. Otherwise, once the component hits 34c, the fluid should boil and be replaced by more fluid that can take more heat. If the fluid can keep up, then you are only getting in the way.
However if the fluid can't boil off fast enough, then you will definitely see an improvement, as the heatsink would have much more surface area to distribute the heat into.


Well then in that case heatsinks will be designed with fluid dynamics. I wonder how well it would work with a channel style water block without its top.

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post #16 of 97
1/13/12 at 9:19pm
How would you get your components out without wasting/leaking the fluid?
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post #17 of 97
1/13/12 at 9:23pm
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Me want some.
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post #18 of 97
1/13/12 at 9:27pm
Quote:
Originally Posted by Adversity View Post

How would you get your components out without wasting/leaking the fluid?

You would need a tray for the motherboard, like http://www.pugetsystems.com/store/item.php?cat=Aquarium+Computer+Parts&id=5595&com=d41d8cd9&que=. Motherboard screws into the flat part, and your video card ports would come out the top.

That would dip into the aquarium style container, and cover it at the same time. there will still probably be a little lost fluid, but you could take it out and let it drop down for a bit before messing with anything. Would need some modification for this type of system though, since you couldn't let the vapor escape.
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post #19 of 97
1/13/12 at 9:34pm
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Quote:
Originally Posted by Crazy9000 View Post

That would only help if the component gets so hot that the fluid can't boil off it fast enough. Otherwise, once the component hits 34c, the fluid should boil and be replaced by more fluid that can take more heat. If the fluid can keep up, then you are only getting in the way.
However if the fluid can't boil off fast enough, then you will definitely see an improvement, as the heatsink would have much more surface area to distribute the heat into.

The amount of heat absorbed by the fluid can be reached by multiplying the fluid's vaporization energy times the mass of the amount of fluid that will be in contact with the heat source in a given second. The amount of fluid in contact with the heat source is directly proportional to the surface area of that heat source.

Do you want to do the math? I don't, lol
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post #20 of 97
1/13/12 at 9:37pm
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Quote:
Originally Posted by Phaedrus2129 View Post

The amount of heat absorbed by the fluid can be reached by multiplying the fluid's vaporization energy times the mass of the amount of fluid that will be in contact with the heat source in a given second. The amount of fluid in contact with the heat source is directly proportional to the surface area of that heat source.
Do you want to do the math? I don't, lol

I'll do the math if you give me the numbers. tongue.gif
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