Saturday February 11, 2012 9:32 AM AEST

Silentflux bubble pump liquid cooling

By Justin Robinson
10:00 Mar 19, 2009 | 7 Comments
Tags: Silentflux | bubble | liuid | cooling | watercooling
Silentflux bubble pump liquid cooling

Using the almighty power of bubbles to cool the CPU?

Enthusiasts have been using heatsinks for many years, and watercooling loops for a good chunk of that time too.

One thing we haven't been using is bubbles. This is possibly because bubbles sound rather silly, but Silentflux seems to think just the opposite - we need more of them.

The system is almost like a nuclear reactor, in that it is a closed loop of liquid. It is heated up at the CPU block, which heats up the liquid and boils it - creating the bubbles.

These bubbles then float upwards to a radiator of sorts, that radiates the heat from the gaseous substance and turns it back into a liquid, where it will run back to the CPU and begin the process all over again.

It's supposed to be entirely silent, and the constant movement of bubbles will keep the liquid inside circulating without need for a pump. While we're not sure that leaving a CPU to merrily chug away until boiling point is a good idea, perhaps the liquid used will have a low enough boiling point that this won't be too much of a problem.

We also wonder what happens when you apply more heat than the closed loop can handle, and turn more of the liquid into bubbles than they intended....really big explosion? Or just a built-in safety shutoff?

Either way, head over to TomsHardware to grab a look at this crazy bubbly tech.

 

 
 
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7 Comments
Kkab
Mar 19, 2009 11:57 AM
This sounds pretty much like they are applying the principle of heat of vaporisation, same principle that makes fridges work.
Evil_Monkey
Mar 19, 2009 12:30 PM
Wouldnt they just be using a similar idea to what they use in heat pipes? Ie pressurising a liquid so it boils at a much lower point than otherwise be done?

Good idea nonetheless
clockworkman
Mar 19, 2009 1:45 PM
ok, so its just convection cooling at a slightly lower boiling point.
apart from the possible visuals it will make, it doesnt sound that great.
it sure could look perty tho
ahsoka
Mar 19, 2009 7:40 PM
When will it be available, and how much will it cost? /is excited

drthompson
Mar 19, 2009 8:23 PM
There's going to be a limit as to how much heat this thing can handle. As it boils more the vapor will displace the fluid until it reaches the tipping point and no more cooling.
battlefield_gir
Apr 17, 2009 1:31 PM
i have sketches somewhere that i made of a similar cooling system.
battlefield_gir
Apr 17, 2009 1:31 PM
a few years ago, only i had no way of manufacturing it.
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