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My case pictures – need serious help! - Page 2

post #11 of 34
Thread Starter 
So, I should leave the 2 fans on the top on but does this affect the airflow?
post #12 of 34
Ideal case airflow is 1 fan (bigger the better) bottom front, and another top back. That creates the least turbulence and dead spots.
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post #13 of 34
This is exactly where some type of high volume smoking device would come in handy. A person could actually see the airflow in their case.
When in doubt I believe a positive pressure inside the case is better than starving the exhaust fans.
From what I can see of it, use your existing fans and add a couple 120s in the case side pointing at the mb.
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post #14 of 34
Hi.

Here is a quick digram that shows typical airflow:



Blue = fans / potential fans
Green = air intake
Red = exhaust.

Some key factors:
  • Uni-directional airflow.
  • Maintain a "negative pressure" (exhaust cfm > intake cfm)
  • 120mm fans will yield more effective results insofar as cfm/dba
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post #15 of 34
Quote:
Originally Posted by Syrillian View Post
Hi.

Here is a quick digram that shows typical airflow:



Blue = fans / potential fans
Green = air intake
Red = exhaust.

Some key factors:
  • Uni-directional airflow.
  • Maintain a "negative pressure" (exhaust cfm > intake cfm)
  • 120mm fans will yield more effective results insofar as cfm/dba
I'm interested in the reasoning behind a negative pressure if you've got the time to educate me.
I was under the assumption that a positive would push any excess thru any intentional/unintentional vents in a normal case. Whereas a negative would pull thru those same vents.
On a side note, I checked your case builds and they are indescribable. Well done!!
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post #16 of 34
I have an 80mm sucking in from the front. 120mm FM121 pulling out back. PSU pulls out too.

On a Centurion 5. I have one where the CPU duct was, but I installed the duct on top of the fan. It pulls in for fresh air for CPU.

One in bottom default position on intake. FM121 on top back.

And one in the end of the 5.25" bay for mem/mobo cooling.


It could also help blowing air down behind the mobo. The back of the socket gets HOT. I did it with a cheap fan and dropped my temps by 5C.
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post #17 of 34
Quote:
Originally Posted by Litlratt View Post
I'm interested in the reasoning behind a negative pressure if you've got the time to educate me.
I was under the assumption that a positive would push any excess thru any intentional/unintentional vents in a normal case. Whereas a negative would pull thru those same vents.
On a side note, I checked your case builds and they are indescribable. Well done!!
Negative air-pressure will cut down on turbulence (pressure re-circulating until it is expelled) and help keep the amount of dust that settles inside the case to a minimum.



...and thanks for the case compliments.
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post #18 of 34
Thread Starter 
Based on the advice, I tried to cut a hole on the side panel to install a 120 mm fan but I got trouble. I used the hole saw to cut hole but it didn’t work because the side panel is solid steel. Any idea?
post #19 of 34
Will you post a pic of what it looks like now, and a pic of the tools that you using?
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post #20 of 34
personally I'd take a look @ that water cooler, they're pretty solid, if you can fix the leak why not go water instead, you have a pump, housing, fans, rad, and res... Run some soapy water through it and track where bubbles form, it could be something as simple a a tube replacement...
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