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Peltier cooled aquarium PC? - Page 2

post #11 of 18
Another idea could be cooling the tec with a water cooling loop which is linked to a bong cooler instead of a radiator. Evap cooling/bong cooling is highly effective and can take massive loads of heat easily.
post #12 of 18
As I had said the whole point was to use low wattage peltiers the ones I was refering to have Specs as follows
Module: TEC1-12703
lmax(A) Current :3 A
U max(V) Voltage: DC 12V
Qcmax △T=0(W) Cooling capacity: 25W
△TmaxQC=0(C) Maximum difference in temperature: 65 ° c
Dimensions: 30x30x3.5mm

and the radiators are fine but if you got to have the sound of 6 fans going might as well stick with the noise of a chassis and case fans, the point was to have it maintainable temps and the noise being the aquarium pump and two cpu fans!

I was just wondering if any one who is better at the theoretical math than I, to know if my idle temp of 28 deg C was possible. and if there were any real concerns with the idea.!
post #13 of 18
Like the idea of the Bong!
post #14 of 18
This would be awesome! Don't listen to the nay-sayers who haven't attempted this before. I built a mineral oil PC and it was fantastic! What's even better is if you can cool the mineral oil itself. Hit me up if you need any advice!

ONE thing if you go for this is to make absolute sure you don't use traditional thermal paste. The only acceptable "paste" is indigo xtreme as it is not really paste. You'll want to do the indigo xtreme burn in prior to adding the oil. Traditional paste will deteriorate in the oil.


EDIT:
1. Fans DO work in oil, they just spin slower.
2. You can submerge the PSU if you want to, but it'll just add heat and is unnecessary.
3. It'll render your PC not for re-sale...so this is a one-way tip. Just make sure you know that before going into it!


I'm subscribing to this. thumb.gif
Edited by CarlosSpiceyWeiner - 12/17/12 at 5:30am
    
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post #15 of 18
By all means if you feel like this is what you want to do go for it. i just think the cons out way the pros. Remember as it cools down it get thicker and harder to pump. Most sources only give it a usable temperature of 50 degrees and above. Fans do indeed still function in the oil, and will give some circulation. I look forward to seeing what you ultimately decide to do.
post #16 of 18
Quote:
Originally Posted by ryan55000 View Post

By all means if you feel like this is what you want to do go for it. i just think the cons out way the pros. Remember as it cools down it get thicker and harder to pump. Most sources only give it a usable temperature of 50 degrees and above. Fans do indeed still function in the oil, and will give some circulation. I look forward to seeing what you ultimately decide to do.
Not true. The rig I built I put on my deck in the middle of winter and caked snow around it. Operating CPU temperature was around 0 to -5 C
    
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post #17 of 18
What I'm saying is at that temp it becomes much more dificult to pump. Above 50 f is the usefull pumping range.
post #18 of 18
From trying mineral oil systems several times, I would not try to pump the oil through a radiator. if anything with the mineral oil I would make a closed loop water system to cool the oil (one radiator in the oil and one out), I did this and had great results on the cooling side (dropped two 4870x2s to around 15c above room temp at full load), but the mineral oil destroys motherboards. I was going through motherboards about every 6 months. On top of the motherboards, every cord seeped mineral oil out of the tank and made a mess and also became rigid and brittle. The pelteirs could be used to cool the closed loop system by applying them to some sort of heat distribution box (http://www.customthermoelectric.com/Water_blocks.html) which could possibly allow you to cool the oil. I’ve looked into it several ways and everything becomes overly complicated and expensive and oil gets everywhere.
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X-Flow Black Ice Xtreme III Koolance 1/2 x 5/8 black compression Pmp-500  Cooler Master Sickle Flow 120m Blue LED 
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EVGA 680 Classified HydroCopper Waterblock AeroCool Touch 2100 Windows 7 Ultimate Corsair Vengeance K90  
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