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-   -   Cosmos watercooling question - top-mounted rad... (http://www.hardwarecanucks.com/forum/water-cooling/8317-cosmos-watercooling-question-top-mounted-rad.html)

Synth July 2, 2008 08:19 AM

Cosmos watercooling question - top-mounted rad...
 
This is for all you watercooled Cosmos users with top-mounted rads :

Are your fans setup as intakes (drawing air inside the case) or exhausts (exhausting hot air through the rad) ?

I'm happy with my NF-P12 setup as intakes (pulling cool air through the rad, from the outside), but I've never really tried the other way around...

Hell, anybody tried both and could share the results?

sswilson July 2, 2008 08:36 AM

Mine is set up to exhaust out of the case.

I figured with that much airflow (6X 1350 yate loons on the rad, 1 exhaust on the rear, fresh air only for the PSU, and intakes both front and bottom front) that there wouldn't be much chance for heat to build up in the case anywise.

werty316 July 2, 2008 12:47 PM

Setup them up as exhaust fans.

Micmal July 3, 2008 03:20 PM

Though I don't have it built yet, mine will be exhaust. This is mainly for dust prevention as the air inside the case will be filtered air.

Dashock July 3, 2008 11:07 PM

I just finished installing my loop their setup push/pull but exhausting air from inside the case to outside.

http://img128.imageshack.us/img128/3103/dsc02223fs9.jpg

http://img124.imageshack.us/img124/8...raturesld2.jpg


Those are idle temps which i think its pretty nice im gonna have the load ones soon.

And here is stressed i didnt find much difference between the Everest stress test and prime im working on some more mhz outta my gpu. Maybe someone can tell me when im looking at AMD temps do i look at the cpu temp or the core temps?

http://img352.imageshack.us/img352/7...sstempscy7.jpg

ebdoradz July 4, 2008 06:33 AM

33C full load that some serous cooling buddy

still running it @ 2.65???

does your temp increase alot if your making that 8800GT running full load. im curious to see how much heat a video card like those put in the loop. and if it will increase the cpu temp by alot?

Dashock July 4, 2008 06:55 AM

oh nono ebdoradz this is stock volts stock everything the videocard is clocked slightly but nothing serious im just doin sum stability tests i ran prime too so the temps match Everest trying to see how far i can clock my videocard. Im using vista at the moment and for some reason Ati tool refuses to work with me.

And P.s im not sure if i should be looking at the 33 as my temp or the individual core temps as my temp.

crapshoot July 19, 2008 11:45 AM

Fans should suck air through the rad and not blow. You get less turbulence and better airflow that way.

That said. The fans should suck cool air from outside and into your case. The trick is to make sure that your front and rear mounted fans create a strong enough air current to blow the rising hot air out the back so that the cool air coming in from the top is not fighting against it and just merges into the air current.

This will likely suck in more dust but but no matter how you slice it, dust gets in no matter which way the air blows. You just have to deal with it.

Sucking or blowing hot air from the case through the rad makes no sense to me whatsoever.

sswilson July 19, 2008 12:03 PM

Quote:

Originally Posted by crapshoot (Post 70412)
Fans should suck air through the rad and not blow. You get less turbulence and better airflow that way.

That said. The fans should suck cool air from outside and into your case. The trick is to make sure that your front and rear mounted fans create a strong enough air current to blow the rising hot air out the back so that the cool air coming in from the top is not fighting against it and just merges into the air current.

This will likely suck in more dust but but no matter how you slice it, dust gets in no matter which way the air blows. You just have to deal with it.

Sucking or blowing hot air from the case through the rad makes no sense to me whatsoever.

Sorry but I have to disagree. (Not about the "sucking" part, but we're talking about push/pull setups anywise).

Since the hot air rises inside the case, drawing in from the top is going to blow all of the hot air from your cooling loop back over the CPU & motherboard components which is completely opposite to what we want.

With a single CPU loop and a rear exhausting video card (or WC cooled Vid card) the great majority of heat which is normally generated inside a case is already being transfered to the rad, thus you want that heat exhausted out of the case rather than back into it.


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