Push vs pull. again.

[Davidff1991]

So I have a top mounted h100i with the fans on the bottom as exhaust. I was wondering if I switched them to a pull configuration and put them on the other side. (to make my fans unable to be seen from the side panel) Would it effect performance at all?

[Wtalk2]

[Enderman]

Short answer no

[Lays]

It shouldn't, flip them around in push, then pull, and test it each time, since you can flip them quite easily.

[ForsakenLive]

it will make performance worse by about 1°C

It doesn't really matter.The best way would be testing for yourself

[Davidff1991]

Ty internet

[ColourShift]

Push-Pull config solves everything.

[ColourShift]

Actually that video is outdated, and when the new youtuber for NCIXcom came, he uploaded a video around that time saying how "Push-pull is king" and saying it's better...

[Wtalk2]

Actually that video is outdated, and when the new youtuber for NCIXcom came, he uploaded a video around that time saying how "Push-pull is king" and saying it's better...

I was more posting the video to show the OP how if he is choosing between push or pull he should go with pull to help with dust management and cleaning.

[1-800-Taco]

Actually that video is outdated, and when the new youtuber for NCIXcom came, he uploaded a video around that time saying how "Push-pull is king" and saying it's better...

how does push pull actually work, like you have both fans on the same side except one's pushing air towards the rad and one's pulling air away?

[VSG]

No, you have fans on either side of the radiator with air flow in the same direction.

[rjbarker]

Prior to my Custom Loop I had an H100i and H320 AIO's....both in push / pull....made a huge difference in my CPU Temps adding the additional Fans.

[Shaqo_Wyn]

how does push pull actually work, like you have both fans on the same side except one's pushing air towards the rad and one's pulling air away?

Push/Pull = fans on one side of the radiator are pushing air through the radiator fins (the backs of the fans are against the radiator) and fans on the other side of the radiator are pulling air through the radiator fins (the front of the fans are against the radiator).

 

Push/pull has no significant performance improvement if you don't need the extra static pressure. You'll be fine running radiators that have <15 FPI in push or pull.

 

Push and pull perform pretty much the same but pull makes clean-up a bit easier because the dust will get stuck to the bottom of the radiator. 

[Trik'Stari]

I highly disagree with the accepted theory that push/pull is "equal" to just push or just pull.

 

A radiator setup on a computer is essentially the same as the radiator on a car, and I know car's more than I know computer's. When you measure how well a radiator such as this, you are not looking for "drops in temperature" you are looking for a rise in performance, whilst maintaining an optimal temperature (engines perform better at operational temperature than at cold start up, which is why in nascar they put the enging oil in a pan and heat it when right before they pour it in the engine, otherwise the engine wouldn't actually be capable of spinning due to its extremely tight tolerances). Now (I know I'm prattling on a bit) with this in mind, you have to look at the thermal qualities of air, which are not good. In fact air is well known as a good insulator in things like kiln's, gas powered forges etc (the clay mixture they use is injected with air to trap bubbles when it sets). So, with that in mind, it is logical to assume that a greater airflow over a heat source (we are dissipating heat, not temperature, which are two completely different measurements) would yield a greater amount of dissipation. To put it simply, I believe that with push pull your system, whilst running at the same temperature, has a greater ability to absorb and dissipate heat. With two fans I would assume the airflow across the radiator would of course increase greatly (I really think noctua needs to come out with reversible fans for a counter rotating push pull setup, which would yield a more laminar flow of air)

 

whew...... sorry for the mouthful

[rjbarker]

^^^^ Agreed...I saw a significant improvement (and knew I would) by adding another set of Fans, dropped my load temps by around 8c...