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Noctua nh-d14 Fans - Page 3

post #21 of 34
the meaning of push and/or pull is the position you have the fan in acordance with the radiator/cooler.

If the fan is before the rad/cooler, and blowing through it, it is push.

If the fan is after the rad/cooler, and sucking through it, its pull

Edit:

attachment.php?attachmentid=200586&stc=1&d=1300385815
Edited by Norlig - 3/17/11 at 11:17am
post #22 of 34
ok i think i understand so basically i have to make sure the fan behind the radiator is blowing air out and the one in front is taking air in? so meaning if i have a paper infront of the front fan it shouldnt be moving?
post #23 of 34
Both the fans must go the same way. One fan blow air through it, and the other fan sucks air from it and blows it out
post #24 of 34
Thread Starter 
why are you replying with a diagram of a rad?? Were not talking about water cooling..

with a rad you want fresh air going through it, so youd make the fans as intake.
with the noctua u want the fans as exhaust
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post #25 of 34
Quote:
Originally Posted by Rakhasa;12768162 
why are you replying with a diagram of a rad?? Were not talking about water cooling..

with a rad you want fresh air going through it, so youd make the fans as intake.
with the noctua u want the fans as exhaust

Its the exact same prinsiple.

and you do not want to suck air from the outside and in with watercooling, because then you will warm up the inside of the case, you want to exhaust the heat out
post #26 of 34
this is what i was trying to figure out. which way is intake which way is exhaust.
post #27 of 34
Thread Starter 
I always had lower temps with intake when it comes to a rad. My case has good airflow, that's probably why. The rad needs fresh air - just like how a car rad works. As for the noctua you definitely want air being blown out of the case aka exhaust.

exhaust means the fans on your noctua are blowing air towards the back of the case.
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post #28 of 34
CPU temperatures, sure. but Gfx card, VRM, north bridge, south bridge. everything else will be hotter. Not worth it
post #29 of 34
outside < Back case fan < cooler < 140mm < cooler < 120mm

If you want to know which way the fan push, the side with the sticker is the way the air go.
    
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post #30 of 34
Thread Starter 
I checked the fan specs for the 140mm and 120mm noctua fans - theyre static pressure numbers are 1.29 and 1.68 respectively. Apparently, the cooler master sickleflow 120 has a static pressure of 2.93?? I find this a little hard to believe.. though these fans are great and I've used them on my h50, do these numbers seem off to you guys?
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