Airflow questions.

threedee

threedee

threedee

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Joined
10 Oct 2006
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348
Location
N.I.
Hardware:
1. Small horizontal case
2. Low profile cooler (Arctic Freezer 11 LP)
3. One noisy 80mm case fan, that has to go.
4. i5 stock clocks, probably will undervolt/underclock later.
6. No places to mount proper fans, but on top of the case lid.
7. Want to mount 200mm fan on top and run it slow.

Questions:
1. Which way low profile coolers direct airflow ? Can it be reversed by flipping the fan.
2. Is it better to pull cool air into the case or expel hot air from the case ? This is relevant to airflow direction of big fan.

Logic dictates that i should expel hot air out of the case upwards. There is no intake pull in fan.

Any advice on how to deal with possible airflow issues ?
What i'm trying to do is use a bit of an overkill 200mm fan to draw in as much air as quietly as i can...

I'm not planning an oven there, but after i add graphics i may want to make it passive (HD6670)...

Cant seem to find any articles discussing small case airflow problems.
 
from the looks of it i'm not sure that has any airflow with the side panels on. gonna need to dremel that to get anything powerful running cool inside it.
 
Oh but i plan to. Questions are mainly about push/pull in this case.
I cant mount small fans, there are no walls to cut. All 4 are obstructed (back plates, psu on the side one, optical drive/ram on the other side, front is not cuttable for cosmetic reasons :D). The one place i can cut is top lid. And since there will be no airflow, as you rightly say, i may as well force some, by screwing in 200mm fan on top.
Question is do i pull air out, or push air into the case, and which way the Arctic Freezer 11 LP blows...

The whole thing will sit inside enclosed space without front door (like a media cabinet under TV)... I could pull air in from the front and out the top. OR if the fan is good CFM i could push air from the top of the compartment and through the case. Theoretically it could recirculate air fast enough to avoid convection overheating of a compartment...

Am i right ?
 
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