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Wuts the BEST coolant

F

fliptastic

n00b
Joined
Feb 10, 2004
Messages
56
i kno that you need some antifreeze to make sure notin' grows funky in the system, but also wut liquid product like liquid nitrogen that u can put in ur system so that the general temp of cpu is less than just and average of 20-30 degrees. Basically wut product will make the water/coolant even COLDER and drop below the average temp of water cooling...
-_-
-flipman
 
There are no additives that will cool off the water. Some additives may increase the efficiency of the coolant, but watercooling system is still performing the actual cooling. If you wanted to add something that will cool below ambient temps, then you will have to continually add that something. Look up the laws of thermodynamics. Live by them(it's the law!).
 
Watercooling systems work on the same principles as air cooling, except instead of using a gas, you're using a liquid as the fluid. Water has superior heat transfer properties than air.

But in order to really cool a component, and not simply transfer the heat away by way of forced convection, you'd have to put some work in. (Or is it power? It doesn't matter.) The only way to aggressively cool your cpu on a continual basis would be to use either a phase-change setup, or a TEC. I suppose there may be some other methods, but I can't think of any right off the top of my head. Liquid nitrogen vaporizes at room temperature, as does dry ice (it sublimates), so those solutions would last for only a limited time.
 
Originally posted by AggieMEEN
Watercooling systems work on the same principles as air cooling, except instead of using a gas, you're using a liquid as the fluid. Water has superior heat transfer properties than air.

But in order to really cool a component, and not simply transfer the heat away by way of forced convection, you'd have to put some work in. (Or is it power? It doesn't matter.) The only way to aggressively cool your cpu on a continual basis would be to use either a phase-change setup, or a TEC. I suppose there may be some other methods, but I can't think of any right off the top of my head. Liquid nitrogen vaporizes at room temperature, as does dry ice (it sublimates), so those solutions would last for only a limited time.
Click to expand...

Is there any feasible way you could capture the escaping gas, and condense it? I'm not sure if this is possible but it would be interesting to find out.
 
you could capture the gas, but returning to a liquid/solid state in would require a fair amount of enery.
 
Originally posted by fliptastic
i kno that you need some antifreeze to make sure notin' grows funky in the system, but also wut liquid product like liquid nitrogen that u can put in ur system so that the general temp of cpu is less than just and average of 20-30 degrees. Basically wut product will make the water/coolant even COLDER and drop below the average temp of water cooling...
-_-
-flipman
Click to expand...

First off, you don't need to use antifreeze in a watercooling loop...there are other, better solutions like a mix of distilled water, water wetter, UV dye, and betadine, for example, or just distilled water and some Swiftech HydrX. There are lots of things you can put in your loop to prevent corrosion and algae buildup that will have less of a negative impact on temps than, say, standard antifreeze.

To answer your actual question, there is no magic product that will allow a standard watercooling system to cool below the ambient air temp. However, there are several ways in which you can achieve below ambient temps with a watercooling system and the help of a few other things. One way, as someone already mentioned, would be to use TECs with a watercooling system but this would dump a lot more heat into the loop and use far more power. The other way would be to use a water chiller--basically a device that you hook up to your loop which cools the water through a process very similar to what happens to the air in your kitchen freezer. Now, there are some risks involved in using a colder-than-ambient cooling solution, namely condensation, however, there are steps which you can take to prevent that.

...and MemoryInAGarden, I'm pretty sure that the process you are describing is basically how phase change coolers work (ie. VapoChill/Prommie).
 
Ah, but you're all wrong. Ice, ice will bring the water temperature below ambient. I used to have a big bucket of water I used as my reservoir, think 5 gallons, because I didn't have a radiator, and the water would cool off over night. During the summer though, the water wouldn't cool back down, so I put a water in an empty cool whip tub and threw it in the freezer. Every so often (once or twice a day) I would drop the ice in the bucket to cool the water down. The water would drop in temperature quite a bit.

If I used it now in combination with my radiator, the water would probably go down below ambiant and stay there for a while.
 
Oh, right, ice... Forgot about that stuff..... (frozen water, duh :rolleyes: ) heh

Only problem is that dumping ice into a bucket doesn't seem like a very good long-term solution to me.
 
Nope, I ended up getting a heatercore for like $13 and putting some barbs on it.
 
If you're really 1337, you can go to Walmart, and buy a small beer freezer for about $ 60. It freezes like hell, and it's pretty small and not really noisy. Then i would suggest a bong that would circulate through the freezing part into the cpu, and possibly, have an air pump attached to it to suck the air out (once you close it), so there won't be a chance for that pesky water to condensate on your circuits.
 
What are the dimensions on this beer freezer?

I wonder: would it also be possible to place a large reservoir (filling the majority of the internal volume) inside? Would such a setup cool well enough to negate the requirement of a heatercore/radiator?

No radiator = losing a serious source of head loss.

Has anyone done this? If so: linkage!
 
Please not the refrigerator discussion!! Any fridge you can buy at walmart will NOT be powerful enough to continually cool a modern cpu. Let's leave it at that. I don't want to hijack this thread, so if you want to know more about it, start a new thread and I will tell you all about it.

I did the ice in the reservoir thing before I got a heater core. I had a couple ziplock bags full of water, and I rotated them between the freezer and the res. I don't think my processor temperature ever dropped below ambient, though.
 
Originally posted by AggieMEEN
What are the dimensions on this beer freezer?

I wonder: would it also be possible to place a large reservoir (filling the majority of the internal volume) inside? Would such a setup cool well enough to negate the requirement of a heatercore/radiator?

No radiator = losing a serious source of head loss.

Has anyone done this? If so: linkage!
Click to expand...

http://www.overclockers.com/articles975/
 
5200 btu window unit converted into a waterchiller will definitely do the trick - watch the ones at walmart closely and you can prolly catch one on sale for something in the $85 range.
 
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