Air Flow Set Up

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SugarFreeBrowny

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Jun 17, 2013
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Hello All!

I am gonna be buying a CPU Cooler for my i5-4670K so that I can overclock it. These bastards run hot normally so yeah. Im not trying to overclock insanely so I was looking into buying a Cooler Master Hyper 212 EVO

http://www.microcenter.com/product/373900/Hyper_212_EVO_Universal_CPU_Cooler

However, I was wondering about airflow in the PC. Right now, I have an Antec GX700 case. (Not the best but I was on a budget)

http://www.newegg.com/Product/Product.aspx?Item=1N8-001K-00002

I have:
Two Cooler Master SickleFlow 120mm fans in the front blowing air in (intake)
One 120mm exhaust fan in the back
Two 140mm exhaust fans on the top

So my air flows in the front and out the top and back

There is also a opening for the side of the case where another 120mm fan can go to blow air on the GPU (I think)

So, my questions are:

Is my airflow set up correct?
When I install the the CPU Cooler, how should I install it?

Also, I heard that if you disable the top fan closest to the front the of the case, your temperatures are better because that fan is exhausting cool air before it can get to the CPU? Does anyone know if this is true?

Thanks
 
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A
your current airflow seems fine - cool in the front, warm out the back and top. (and it crosses over the MB/CPU nicely.)

When you setup the cooler, have it blow towards the back of the case - this will force the cool air into the fins.

as for the question about disableing fans - you are getting into a combined area of fluid dynamics and thermo dynamics.

The thermo dynamics is the study of heat transfer - key to this is that the rate of thermal movement relies on the difference between the two temperatures. In this case - the CPU and the Heatsink (which is greatly influcenced by the fluid of air moving about.)

The fluid dynamics has to deal with the air movement through the box and complicated with the understanding of the cool air...
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zachparr2442

zachparr2442

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Dec 28, 2013
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mostly what you want is what you already have what i would do is have two exhaust for your cooler the one in the back and the top one in the back, you want postive pressure which is more intake then exhaust. mount your heatsink where the fan is blowing towards the back of the case where the exhaust fans are the back one will take hott air out and so will the top back
 
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avarice

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May 10, 2006
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your current airflow seems fine - cool in the front, warm out the back and top. (and it crosses over the MB/CPU nicely.)

When you setup the cooler, have it blow towards the back of the case - this will force the cool air into the fins.

as for the question about disableing fans - you are getting into a combined area of fluid dynamics and thermo dynamics.

The thermo dynamics is the study of heat transfer - key to this is that the rate of thermal movement relies on the difference between the two temperatures. In this case - the CPU and the Heatsink (which is greatly influcenced by the fluid of air moving about.)

The fluid dynamics has to deal with the air movement through the box and complicated with the understanding of the cool air coming in, and warm air coming off the CPU Cooler. Also any turbulence and air pockets generated through conflicting currents of air.

Fundamentally - I wouldn't worry about it - but if you feel like testing it in your system - feel free. Since all systems are inherently distinct (READ this as cables and other such in the fluid dynamics) as well as their impacts to the thermo dynamics....Nobody can say for sure without testing.

Good luck.

 
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