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air vs liquid in higher ambient temps.

post #1 of 29
Thread Starter 
Here is the deal, after much debate and consideration about whether i should go air or water, i have decided that i really am not sure which. right now my CPU (with stock cooling and some case airflow mods) is idle at 33C, around 42 under load, i think this is pretty good seeing as the ambient air temp is around 30C. My question is this - am i going to be able to drop below ambient air temps with improved heat sink/air cooling? If not, am i going to be able to achieve a lesser value between idle and load temps with improved air cooling? i know that all air cooling is dependant on ambient air temps, i just dont know HOW dependant. Any help/opinions would be appreciated.
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post #2 of 29
u can never get below ambient temps, unless u are running phase change or chiller. Water just helps to remove the heat faster.
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post #3 of 29
good air setup and good air on your cpu + lapped cpu/no ihs is most likely equivilant to good water cooling .
    
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post #4 of 29
Thread Starter 
thats about what i thought...honestly i was amazed that i was able to get this low with stock cooling just by altering my case airflow...guess im off to get some bigger, better HS/Fans for the CPU/GPU (i want to get my load temps all below 40 so i have some breathing room to OC)
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post #5 of 29
Id adivse attempting lapping it shaved 10C off my temps immediately...
but i lapped down to the copper with a dremel tool not exactly a mirror finish but wow it made a differance.
    
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post #6 of 29
what do you guys mean by lapping? my ambient temp in the basement is around 60F in the summer, and now it's around 50F because it's still cold...so would air cooling be good for me? And can someone tell me again about the lapping thing?
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post #7 of 29
Lapping is a process in which you basicly sand off excess metal from the IHS while makeing it more flat.... which = more surface area on heatsink in turn meaning cooler!
    
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post #8 of 29
IC, too bad I'm not good at those kind of stuff. I'd rather pay someone to do it for me . It's cool how u guys do that.
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post #9 of 29
Hah it basicly involves glass and different grits of sand paper and a bit of time ez pz stuff
    
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post #10 of 29
Quote:
Originally Posted by slydog64
u can never get below ambient temps, unless u are running phase change or chiller. Water just helps to remove the heat faster.
Thats not true I am about 3 degrees below my ambient room temperature I have a really good air flow in my case....................when air is circulated at higher speed it becomes colder than when its idle so to speak, fans spiral air which makes it more dense and dense air is colder than loose air, providing you can move the air in and out of the case fast enough before it has time idle you will get lower temperatures. Your case providing its alu or steel should act as a barrier from ambient room temperature and actually get colder from the contained colder air passing through it on the inside.

Only thing you gotta watch with the above is if your room is humid because the second you power off and the fans shut down you could leave yourself open to condensation
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