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House sizs heat sink? - Page 2

post #11 of 16
Quote:
Originally Posted by Chopes View Post
Errr, from what I understood from his post, I thought he meant that he wanted the heatsink base itself to be 100 ft by 100 ft, and having contact with the cpu in the center...

And I quickly responded it wouldn't work because the energy required to cool it would be huge, as well as it not being able to effectivly cool the cpu anyways because of the huge amt of the heatsink itself it would have to cool for nothing as the cpu doesn't even match it.
Quote:
Originally Posted by TaiDinh View Post
I should have been more specific. Imagine a Tuniq, but as big as your house, but at the very end, it would fit on your CPU. Would that work out?
In theory, it would be like 1% from ambient.

I would rather cool it with lasers and mice.
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post #12 of 16
First of all, it would kinda steamroll your CPU because something like that would weigh like 5 tons depending on the metal.

Second, the heat wouldn't travel that far throughout that huge block of metal anyways so.. But I guess the temp of the CPU (if it doesn't get crushed) wouldn't be too bad..
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post #13 of 16
Thread Starter 
Ah, interesting.

I thought that since the bigger it is, the more heat it can hold, which it would take longer for the heat sink to get hot, resulting in a cooler CPU.

No idea.

Final exam day tomorrow for me. Good luck to some of the people!
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post #14 of 16
Yeah, but the heat needs to be transfered throughout the metal, and having the metal spread over that big of a surface area presents problems which is what I was saying before. Even if the contact area is small, the spread of heat would most likely be very poor as for it to be effective the heat has to transfer through the heatsink making it extremely expensive, something like 5 times the size ratio to a normal heatsink would be times the price of a normal heatsink...
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post #15 of 16
Quote:
Originally Posted by Chopes View Post
Yeah, but the heat needs to be transfered throughout the metal, and having the metal spread over that big of a surface area presents problems which is what I was saying before. Even if the contact area is small, the spread of heat would most likely be very poor as for it to be effective the heat has to transfer through the heatsink making it extremely expensive, something like 5 times the size ratio to a normal heatsink would be times the price of a normal heatsink...
No, because then the heat would spread throughout the heatsink, still away from the CPU. It doesn't HAVE to go into the air to be cool, it just has to go away from the CPU. And if it all travels into this 100x100ft heatsink, it should cool fine. Because air would pull heat away from the hot part of the heatsink, and the cool parts of the heatsink would also pull heat from the hot part, and eventually spread over the entire heatsink. So then the concentration of heat would be lower, I would think.

That's just what I personally think, assuming I understood what you said correctly. I'm not a guru or anything by any means, I'm just thinking it how I would imagine it would work.
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post #16 of 16
Quote:
Originally Posted by Chopes View Post
Errr, from what I understood from his post, I thought he meant that he wanted the heatsink base itself to be 100 ft by 100 ft, and having contact with the cpu in the center...

And I quickly responded it wouldn't work because the energy required to cool it would be huge, as well as it not being able to effectivly cool the cpu anyways because of the huge amt of the heatsink itself it would have to cool for nothing as the cpu doesn't even match it.
You would not have to actively cool something that huge. The CPU would never create enough heat to raise the temperature of the heatsink. (except in the immediate area of the cpu) By the time the heat dissapated through the first inch or four it would run out of energy. You would not need one 100ftx100ft to accomplish this though. Im not gonna do the math or formulaic equations, but passive cooling of a cpu to get it close to ambient temps could be accomplished with a much smaller HS.
    
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