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PC built in desk, airflow question

post #1 of 6
Thread Starter 
Hello all...

I feel a bit silly, totally new at this and well, i am not even certain if i am posting this on the right forum....anyways here goes...


I like to build a very simple solution for my PC into a kind of "wind tunnel" at the back of my desk. hoping to prevent future noise and dust.... and i was hoping to get some feedback on the airflow... with the 2 filters and the obstacles ahead, will this still work / be sufficient enough...

http://i.imgur.com/lyxC7Fg.png
(it is drawn in scale)

Thank you
post #2 of 6
I think that air behaves similarly to liquid but could be wrong so if anybody disagrees please let me know. I do know that the more restriction you have in a system before the fan the harder it is to get good flow. Having both filters in front of the fan I think will decrease the efficiency of the fans a bit. Seeing as you are planning three 140s it may not make too much difference but it will affect performance to some degree.
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post #3 of 6
ZS is correct. Only 1 filter needed. I would suggest having this filter be easily removable for cleaning.

There are all sorts of ways to make a decent cleanable filter. I would like to suggest flexible magnetic strips and screendoor screen. You can get all of this at Lowe's, Home Depot, and most big Walmart locations. If you don't feel like cutting the screen (and I wouldn't blame you. it involves yet another tool most people don't have), look into using cheesecloth for the filter medium. Since it's behind a desk, no one will ever see it, and it filters well enough.

Keep us updated here! I considered something like this when I built my desk, but decided against it in favor of a movable tower, but stationary desk. I'd like to see what you come up with.
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post #4 of 6
Thread Starter 
thanks for the feedback on the filter guys!
but what about the airflow pushing against the pc components -> out
will that be strong enough to push all the heat out?
post #5 of 6
Maybe have a single, unfiltered 140 as the out. Maybe...

Your "out" side, does it have some sort of grille? If so, then i'd say you're finished. Adding an egress fan is only going to add to the noise at this point; don't see a huge temp change in adding much more than 1 out fan.
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post #6 of 6
Thread Starter 
Quote:
Originally Posted by SigTauMatt View Post

Maybe have a single, unfiltered 140 as the out. Maybe...

Your "out" side, does it have some sort of grille? If so, then i'd say you're finished. Adding an egress fan is only going to add to the noise at this point; don't see a huge temp change in adding much more than 1 out fan.
well... it will have a sturdy anti-cat grill on both sides, other than that no biggrin.gif

I guess i will just have to experiment and hope for the best on this!
I will post pictures when i am done!

(any more opinions are welcome! smile.gif )
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