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Tec Gpu Cooling ideas Needed. - Page 3

post #21 of 34
My input would be to have a series flwo between the VRM and TEC hotplate. Parallel is hard to get right....
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post #22 of 34
cant an air cooler be modded with longer sqrews and so ?, like artic cooler for 7970 with peltier between gpu and surface of artic cooler?
Edited by DinaAngel - 9/12/12 at 3:22am
post #23 of 34
A good air cooler is rated for 320W. A graphics card can put out 250W. Introduce a 300W worth of TEC power and you've over saturated the air cooler.
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post #24 of 34
well , another easy way to make a good tec gpu , is the CoolIT way , a long heatsink as a coldplate and in the middle , the tec itself

but i think with that method , the tec gotta dissipate more heat quickly , unless u do some holes in between components to have less connections with it , but at the same time , being one single cold piece

ill keep diggin ideas and checking them on Solidworks Floxpress with some close to real life mass flow and pressure ( im using dual D5's for the test , is that normal ? )
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post #25 of 34
Quote:
Originally Posted by Krow View Post

A good air cooler is rated for 320W. A graphics card can put out 250W. Introduce a 300W worth of TEC power and you've over saturated the air cooler.

That's like 550w on an air heatsink?

Question is, could you cook an egg on that? tongue.gif
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post #26 of 34
Quote:
Originally Posted by yoi View Post

well , another easy way to make a good tec gpu , is the CoolIT way , a long heatsink as a coldplate and in the middle , the tec itself
but i think with that method , the tec gotta dissipate more heat quickly , unless u do some holes in between components to have less connections with it , but at the same time , being one single cold piece
ill keep diggin ideas and checking them on Solidworks Floxpress with some close to real life mass flow and pressure ( im using dual D5's for the test , is that normal ? )

D5's are good, dual will get you great flow.

Here's my crappy paint rendition of what I was thinking.



Basically two blocks, the TEC block with a wateblock that has a hole in the middle to seat the TEC block. Plugin them in series insures flow to everything while offering great GPU temps with the TEC block. Guess this could be for single card solutions as it would be a little thick. Reducing weight by using pom or ABS would be a suggested.

I suck at this... redface.gif
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post #27 of 34
Quote:
Originally Posted by Rognin View Post

D5's are good, dual will get you great flow.
Here's my crappy paint rendition of what I was thinking.

Basically two blocks, the TEC block with a wateblock that has a hole in the middle to seat the TEC block. Plugin them in series insures flow to everything while offering great GPU temps with the TEC block. Guess this could be for single card solutions as it would be a little thick. Reducing weight by using pom or ABS would be a suggested.
I suck at this... redface.gif


............................... >.> that was i was doing lol , stop copying me >:O

i thought that , it was the other "logical" way to go , but . i wanted it to do it on a single loop perse , not 4 hoses connected to a GPU , that will be another loop in the flow

what i envisioned it , was make them the gpu block and the tec block inlet and outlet , joined , and internally , divide the flow in 2 parts , parallel flow , but internally in the block itself

it has been done , it could work biggrin.gif

mine is like this :



LOOL , i guess ill have to buy a 680 waterblock and a QuadTEC ;( . we are sitting on a million dollar idea smile.gif and im gonna cash in if this works lol
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post #28 of 34
The problem with your parallel flow is the blocks don't have the same restriction. Think of it like electricity,the path of least resistance is going to get greater the flow. So if the water block offers higher resistance than the TEC water block it'll be starved for water, that's why I suggested a series idea. Having a pom piece that you could bolt to the side would make it easy to have only one in and out while conserving series flow (no need for 4 tubes).

Something like this instead.

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post #29 of 34
the problem with serial , is that , the water that will go to the waterblock , i think it will be considerably warm , to not be as efective as if all the water came in at the same time like in parallel

and another thing , the order of the block in the pictures is wrong , it should be GPU block and then the TEC block , its upside down , so , with your design , the water will go to the GPU first and the serial goes to the TEC

that is why i didnt went serial :





and in the concept , since the TEC waterblock , its path is smaller than the GPU path , water passes faster than the gpu area
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post #30 of 34
Takes 264w at 1gpm to raise the temp of water by 1c.

If you take for example a 250w TDP card (GTX 580) at stock , add a 300w TEC and OC the card to hit about 300w; you're looking at 600w of heat. So the water coming out from the TEC will be about 2.5c warmer then whence it came in. I dunno about you, but if my GPU is at a frosty 10c and my VRM and Vram are 2c hotter (lets say 36.5 instead of 34) I won't mind at all, as most other water cooling enthusiasts will tell you.

As for the picture being wrong, does it really matter? All you have to do is switch the in and out when configuring your loop. Not a very hard task by any means. tongue.gif

I'm almost 100% sure you'll have problems with parallel. The restriction on the blocks will NOT be the same; meaning one of the two will have no water flow. But by all means, give it a try! thumb.gif
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