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Chilling water below zero? is it doable? - Page 5

post #41 of 58
Quote:
Originally Posted by Rayleyne View Post

If only we actually had "Winter"
Ha I know its like 35c in winter in Perth and when I travel up to Karratha its like 45 with 60 percent humidity. Hence the proposed phase change build.
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post #42 of 58
Quote:
Originally Posted by Rayleyne View Post

If only australia actualy had "Winter"

Ha! Only a water cooling guy would ever complain about not having a winter! biggrin.gif
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post #43 of 58
You can chill water below zero, if it is moving or if is saturated with salt or some other ion. It won't let you push it that much below zero, but that's what glycol mixtures are for.
post #44 of 58
Quote:
Originally Posted by Rayleyne View Post

Ideally i can cool 7970s with my rads on passive i've got 3x 360mm at 80mm thick but i most certainly want a 24/7 high 5ghz clock and the only way to do that is with something semi exotic for cooling and given my weather around here Liquid just won't cut it.

ADditionaly if the 8k series or 9k or whatever the next set of cards is fast enough to mostly handle 7680x1440 without much of a problem even at only "Medium" then i'd prefer to sub zero a single gpu + cpu


also what is the life span of something like
http://www.frozencpu.com/products/13091/ex-vap-20/Cooler_Express_2013_Design_Super_Evaporator_CPU_GPU_Cooling_Unit_w_Upgraded_Socket_Kit_-_All_Sockets_478_754_775_1155_1156_1366_2011_939_940_AM2_Xeon_CE-48-D-1C-1G.html?tl=g49


hope it's more then say a year.

I doubt a single stage setup would break and if it did, you could probably have someone fix it. Mine (an LD unit) has been running in 24/7 use for more than a year now and tons of people have old phase change units laying around.

Basically the problem with most units when it comes to longevity is that at some point in the future the wattage it's tuned for might not be enough. Looking at the current trend though, I don't really think that's going to be a huge problem.
 
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post #45 of 58
If you have already tried extending your tubing to place rads in another room you could try using a portable air conditioner as your rad fans. You could mount three or four rads to the front of an air conditioner and also wire the sensor to your rig.
post #46 of 58
I saw an interesting experiment dealing with water that is still liquid but way below the freezing point of water.You can see this demo if you watch the Nova (perhaps PBS) documentary on the crash of that Air France Airbus off the coast of South America.The tests were conducted as pito tube freezing played a part in the crash.A vat of pure water was chilled to some incredible temp like -100F,the pure water was still liquid.The tech introduced the tip of a screwdriver into the vat and the water was instantly solid.The techinical reason for this result is rather interesting.Water can certainly be chilled below freezing and still remain liquid,as long as the water is pure.
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post #47 of 58
Thread Starter 
Quote:
Originally Posted by Alatar View Post

I doubt a single stage setup would break and if it did, you could probably have someone fix it. Mine (an LD unit) has been running in 24/7 use for more than a year now and tons of people have old phase change units laying around.

Basically the problem with most units when it comes to longevity is that at some point in the future the wattage it's tuned for might not be enough. Looking at the current trend though, I don't really think that's going to be a huge problem.


While i look after my gear i tend to ask alot of it, The most common death around here is motherboard VRMS exploding, I'm not the daily driver i do alot of heavy work on my computer i just hope that a phase change unit won't die if i leave the cpu @ 100% load for 12 hours straight rendering something while i sleep.
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post #48 of 58
Um, Hate to burst your bubble but we do have Craigslist in the land down under....
It generally only used for, Cough, Adult massaging. Gumtree is a much more used alternative. 2cents.gif

Why not get a heater core from an old beetle, I remember seeing something about it somewhere getting loops down to at least 0 degrees.
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post #49 of 58
Quote:
Originally Posted by Rayleyne View Post

While i look after my gear i tend to ask alot of it, The most common death around here is motherboard VRMS exploding, I'm not the daily driver i do alot of heavy work on my computer i just hope that a phase change unit won't die if i leave the cpu @ 100% load for 12 hours straight rendering something while i sleep.

I used mine while folding 24/7 at 5ghz for months.

What can happen though is that if it's an exceptionally hot day, the unit might not be able to handle the heat from the CPU (if the OC is already testing the limits of the unit) and the unit will shut down. Which means that the rig will shut down because of overheating.
 
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Benching
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2x 5870, 5850, 5830, 5770 2x 3870x2, 3870 GTX Titan, GTX 480, GTX 590 GTX 285, GTX 260, 4x 9800GT, 8800GTX 
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4x4GB vengeance, 2x4GB predatorX, 2x1GB OCZ DDR2 Intel X25-M 80GB LD PC-V2 SS Phase Change OCN Marksman 
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post #50 of 58
2 Notes
Didn`t Science class tell us that moving water doesn`t freeze? Also my dehumidifier is stuck on on.
Time for a new one Hum. biggrin.gif
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