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[Science Blog] Tiny bubbles key to future liquid-cooling

post #1 of 33
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Tiny bubbles are key to liquid-cooled system for future computers

Quote:
Purdue University researchers have made a discovery that may lead to the development of an innovative liquid-cooling system for future computer chips, which are expected to generate four times more heat than today's chips.
Quote:
Innovative cooling systems will be needed in about three years for personal computers expected to contain microprocessor chips that will generate four times more heat than chips in current computers. Whereas current high-performance chips generate about 75 watts per square centimeter, chips in the near future will generate more than 300 watts per square centimeter, Mudawar said.
Quote:
Today's computers use fans and heat sinks containing fins to help cool circuitry. But this technology will not be efficient enough to remove the increasing heat generated by future chips, Mudawar said.
Sounds like an overclockers dream cooling system.

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post #2 of 33
And I thought my rig was a space heater already!
post #3 of 33
How did they get to the four times hotter conclusion? It's only been getting cooler...
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post #4 of 33
Quote:
Originally Posted by Coma View Post
How did they get to the four times hotter conclusion? It's only been getting cooler...
I would disagree, you can't cool a Q6600 with an old P4 fan.
post #5 of 33
Quote:
Originally Posted by Penicilyn View Post
I would disagree, you can't cool a Q6600 with an old P4 fan.
stock cooler for both is basically the same.
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post #6 of 33
Quote:
Originally Posted by Penicilyn View Post
I would disagree, you can't cool a Q6600 with an old P4 fan.
No but you could cool a Q9450 with one...


With 45nm here and 32nm on the way watercooling is becoming obsolete. Its expensive, risky, and high maintenance, while providing little improvement over quality air. Newer chips are hitting voltage walls before they overheat and this trend will continue until at least the switch to carbon nanotubes.

I wouldn't be surprised if the 22nm low end processors won't even need heatsinks.
    
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post #7 of 33
Quote:
Originally Posted by Penicilyn View Post
I would disagree, you can't cool a Q6600 with an old P4 fan.
No but you could cool an E6600 with a P4 fan which would be a better comparison.

They are right in saying that the smaller process will generate more heat at tthe same voltage however in recent examples you have required less voltage to run the same speeds so there for your producing less heat.
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post #8 of 33
Wasn't this posted several months back?
post #9 of 33
Quote:
Originally Posted by Penicilyn View Post
I would disagree, you can't cool a Q6600 with an old P4 fan.
Isn't a P4 dual core? Q6600 is quad.

If you think about it though, it does kinda make sense. They plan on going from 4 cores to 8 cores soon. While power consumption per core has significantly gone down, the # of cores will rise and completely eliminate any power savings.
    
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post #10 of 33
Quote:
Originally Posted by Penicilyn View Post
I would disagree, you can't cool a Q6600 with an old P4 fan.
The stock cooler for the Q6600 is the same as for P4. Penyrn has a much smaller stock fan.
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