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-   -   Heatcore for TECs (http://forums.procooling.com/vbb/showthread.php?t=9823)

-J- 06-15-2004 02:55 PM

Heatcore for TECs
 
im building a new rig, that for the moment has 2 TECs.

one 320w for CPU and one 226w for GPU.

im using a 2000lts/h and 3.5m water column pump.

the thing is, i would like to know how hot would water get, and how big the heatcore should be to handle such a heat load.

the heatcore will probably be custom made, so any suggestion for the design is welcomed.

gkiing 06-15-2004 11:41 PM

The heatercore should have as much surface area as possible, and be several inches thick, and made from copper. Make it as big as your area can allow, with the highest fin density possible.

-J- 06-16-2004 03:23 PM

4 Attachment(s)
well so far i will be making a 46cm tall, 18cm wide and 5cm thick heatcore.

that will be running with this 3 fans

those are 140mm x 51mm sanyo denki fans. moving 150cfm each (wont be using them at 100%)

gkiing 06-17-2004 02:39 PM

How are you getting this custom built? Are you going to put it together yourself?

-J- 06-17-2004 04:14 PM

a guy who makes heatcores is going to make it for me.

heres a pic of anotherone he made

http://www.devilmaster.org/modules.p...634&fullsize=1

Apocalipsis 06-17-2004 05:47 PM

MMmmm.... Ketchak's radiator, I suppose.

Where did you get those fans man?

Where are you from? Spain?

Apocalipsis.

-J- 06-17-2004 08:57 PM

i got them from a local store.

you supose correct, thats ketchak's heatcore.

im from argentina, where the heatcore was made by aitor for ketchak. he will make mine too.

Sheep 06-18-2004 12:21 AM

Hi, I dont know much bout custom heater cores so cant realy help you with your question but I was wondering where you got that 320W peltier from?

Cheers :)

-J- 06-18-2004 01:57 PM

that would be here

http://cgi.ebay.com/ws/eBayISAPI.dll...822633261&rd=1

redleader 06-18-2004 04:34 PM

Those fans are extremely impressive. And at 51mm thick, performance should be extremely high against even a thick radiator.

-J- 06-18-2004 05:28 PM

running at 100% with a restriction such as a radiator, they get REALLY loud.

almost 50dba.

but i guess ill run them at 50% or less. im making a PWM regulator.

-J- 06-18-2004 10:58 PM

question, anyone used a 226w TEC for gpu before??

my objective is to reach 500mhz for the core of my 9800 non pro.

gkiing 06-19-2004 01:33 AM

Yes, I used a 226W on my gpu, Ice formed on the back of it. I was testing an MCW462-UHT on my r9800, hit 550 core stable.

-J- 06-19-2004 03:22 PM

wow, nice :)

thats a nice number

did you use any isolation in the back of the board?

gkiing 06-19-2004 07:55 PM

Quote:

Originally Posted by -J-
wow, nice :)

thats a nice number

did you use any isolation in the back of the board?

If you meant insulation; yes I used closed cell neoprene and dielectric grease, but the ice formed on top of it. I've since taken it off, and put it on my cpu. I doubt the card would last long with that condensation.

-J- 06-19-2004 10:13 PM

insulation yes :p

wow, that kind of insulation and it still formed ice???

you are scaring me man, i was planning on using a similar insulation.

any idea for improving that??

Apocalipsis 06-20-2004 10:11 AM

An easier idea, replace the MCW50-T pelt with one 172w 24v and use massive dielectric grease and thick neoprene, also press the neoprene against the card with a back plate.

Apocalipsis.

PD: Dow Corning 1-2577 Conformal coating is one of the best compounds available for insulation.

-J- 06-20-2004 11:56 AM

i was planning on using the following insulation:

first a layer of acrilic insulator (more info here)
then a thick layer of RTV silicone
finally all this covered with neoprene.

over all this, would be the backplate that holds the block.

bobkoure 06-20-2004 08:40 PM

Why not use a blower? Seems like something like this torin blower
http://www.recycledgoods.com/Images/s_p_11673_1.jpg
might be just what you want for forcing air through a "big-ass" radiator.

Yogi 06-20-2004 09:40 PM

What model is that?

-J- 06-20-2004 10:52 PM

i looked for a nice blower, so far havent found anything like that

bobkoure 06-20-2004 11:25 PM

Quote:

Originally Posted by Yogi
What model is that?

Click on the link. Read the page. Now you know as much as I do :)


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