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2 rad, 3 sets of fans... - Page 2

post #11 of 18
Quote:
Originally Posted by Cyrekk View Post
but would that not be extremely contingent on how much heat is transferred on a pass? you must admit that a slim 120 rad would yield such a low heat transfer that stacking another slim 120 would still be effectual? especially if you were going for a quiet setup using low fpi rads and low fpi fans, you could stack to increase the surface area for dissipation, increasing the length of the cooling path, not to mention that the extra set of fans would allow lower speeds to accomplish similar results to a louder setup no?
No the fact is the hot air is relative to how high your temps are in your loop. And stacking even a 120 slim rad on top of another a 120 slim rad will still only dissipate as much heat as the 2 rads put together minus the delta temp difference of the air before it is pushed through the rad.

It is still diminishing returns and a push/pull over 1 rad will still be more efficient (note i didn't say cooler) than a rad sandwich. Your temps will be lower with 2 stacked rads but the overall efficiency of the 2 rad set up will be less than that of 2 separate 120's. And the cost of another rad + 2fans isn't worth the decrease in efficiency imo.
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post #12 of 18
You can stack radiators as a last choice. Because as everyone has stated already, hot air thru hot radiator makes cooling mute.

This is what you have to do to make it work in your favor.

___ This is your fist radiator on top.
--- These are your fans.
___ This is your second radiator.
--- This is your fans.

If you make the top radiator your primary in the loop, the hottest air gets removed from the top.

The bottom radiator is your secondary radiator. Which means it comes after your primary in the loop which is then already cooled by the first radiator. The temp coming out of the first radiator is what enters the second. Then cooled more. The air coming off of the secondary radiator is already below that of your primary. While this works in theroy, in reality, the benefit is so small that its not worth the effort, or time. Just get a high FPI radiator, and a high statci pressure fan with shrouds and call it a day.
post #13 of 18
Thread Starter 
Im not thinking of stacking radiators... Im talking one at the top of the case and one at the bottom of the case...
post #14 of 18
Have both rads exhaust the air out of the case if possible that will give you best temps. If you cant exhaust the air out the bottom you are going to want to have as much air moving through the case as you can to lower the ambient temp of the inside of your case.
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post #15 of 18
Thread Starter 

By blkdoutgsxr at 2011-03-13


By blkdoutgsxr at 2011-03-13

two ideas I have,, either a pass though from side to side, or out the bottom if people think it will work... I dont really want to pull hot air into the case
post #16 of 18
Ah pics are worth a 1000 words. Yeah if you push thru the rads out into your room you are good.
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post #17 of 18
Thread Starter 
Ill try out the side to side and see how it looks... trying to figure out how to put a drain port in without it looking horrible lol
post #18 of 18
good discussion guys, been fun.
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