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TEC cooling idea. need some thoughts. - Page 3

post #21 of 29
Quote:
Originally Posted by xtremetechuk View Post
This could work, but adding a radiator to the cold loop will only raise the coolant temperature. However at the same time, the heatload from the CPU will be reduced.

You may benifit more from just adding the extra radiators to your cold loop, and not use any TEC's.
Someone needs to do some testing... Lets see whats more efficient. Tec directly to CPU or Tec as a chiller.... Hmmm...
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post #22 of 29
Quote:
Originally Posted by G.E.Nauticus View Post
Someone needs to do some testing... Lets see whats more efficient. Tec directly to CPU or Tec as a chiller.... Hmmm...
At the moment direct die blocks out perform chillers and are far easier to set up.
    
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post #23 of 29
Quote:
Originally Posted by Elloquin View Post
At the moment direct die blocks out perform chillers and are far easier to set up.
Its a shame they can't be as efficient, unless you can make a quad 62mm direct die block
post #24 of 29
Quote:
Originally Posted by xtremetechuk View Post
Its a shame they can't be as efficient, unless you can make a quad 62mm direct die block
Wouldn't be too hard with a large enough block of copper
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post #25 of 29
Quote:
Originally Posted by un-nefer View Post
Wouldn't be too hard with a large enough block of copper
While possible there are several reasons this can but most likely will never be done The copper alone would be close to 500 USD add the TECs and get it machined and you are looking at a 1k+ price tag. Not very realistic. Second, you'd never get it mounted on a mobo and forget running it in a case vertically Besides going forward with the advent of sandy bridge and the next gen ivy bridge from what I am seeing with the 2600k I am testing you won't need much more than say a 2 x 40mm (225w Qmax 40mm TEC x 2) Direct die block. Hell a single 400w Qmax 62mm block might even work.
    
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post #26 of 29
Quote:
Originally Posted by Elloquin View Post
While possible there are several reasons this can but most likely will never be done The copper alone would be close to 500 USD add the TECs and get it machined and you are looking at a 1k+ price tag. Not very realistic.
I was thinking more backyard dodgy brother job mate lol.

Like a 3" cut of 3"x3" copper square bar as the CPU block, with a 50mm 226W TEC mounted on on each of the 4 sides. Then add 4x waterblocks (one for each tec) and a suitable psu and off you go lol.

I'd expect it to work similar to a solid copper based DICE pot - not in temp range, but in how the large amount of copper should slow down and reduce temp fluctuations once it is at operating temp of the TECs.

It would be interesting to see how it performed in real life though lol

If you have some aluminium bar left from your latest project (all you need is around 3"x3"x3" for the cpu block) you could run a few tests on your TEC test bench
Edited by un-nefer - 2/1/11 at 10:29pm
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post #27 of 29
Quote:
Originally Posted by un-nefer View Post
I was thinking more backyard dodgy brother job mate lol.

Like a 3" cut of 3"x3" copper square bar as the CPU block, with a 50mm 226W TEC mounted on on each of the 4 sides. Then add 4x waterblocks (one for each tec) and a suitable psu and off you go lol.

I'd expect it to work similar to a solid copper based DICE pot - not in temp range, but in how the large amount of copper should slow down and reduce temp fluctuations once it is at operating temp of the TECs.

It would be interesting to see how it performed in real life though lol

If you have some aluminium bar left from your latest project (all you need is around 3"x3"x3" for the cpu block) you could run a few tests on your TEC test bench
I have a sheet of copper 380mm x 280mm x 10mm, I could cut six 60mm plates from the sheet, and bond them, So that they form a cube sized 2.4"*2.4"*2.4". I would just need to research the best method on thermal bonding.

The only other problem I see, apart from the temperature fluctuations, is the mounting system and insulatation.
post #28 of 29
Not sure what you mean by bonding?

My backyard diy idea was to use a single, solid block that sat on the CPU - with the tecs on each edge. It could then be mounted exactly like a DICE pot with those delrin style mounting plates.

Basically, imagine something like the following, but with tecs on each of the 4 sides:
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post #29 of 29
Sorry,

I meant cut six 60mm*60mm*10mm plates, and then stack them. So they form a solid cube size 60mm*60mm*60mm. I woud just need to bond them.
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