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Sub zero liquids - Page 3

post #21 of 45
Thread Starter 
Quote:
Originally Posted by CL3P20;14559537 
I would use a cheap car radiator or something ridiculously large for your outdoor rad.. the larger the better..you may not even need airflow through it for great cooling with such low ambients.

So.. your loop would be something like:

outdoor loop- Large Rad->pump->HXC
indoor loop- HXC-> pump->cooling blocks

*your going to need fat sized tubing..and something good and stiff so you can insulate it properly. I would recommend using as much 1/2 or 3/4" copper pipe as possible to minimize kinks [which will be impossible to spot once insulated redface.gif].

I'm hoping I can forgo the insulation as the computer will be next to the window, so short pipes and low cold loss.

Looking like this for the loop order.

Outdoor loop: Res/pump combo> Black Ice GTX Xtreme 240 Radiator > Koolance HXP-193 number one > Koolance HXP-193 number two > res/pump.

Indoor Loop: res/pump combo > Second D5 pump with EK top > Koolance HXP-193 number one > Koolance HXP-193 number two > 200mm rad > 280mm rad > 120mm rad > CPU-370 > Full mobo block > three GTX580's in parralell > Ram block > res/pump combo.

The rads are all in a pull config right now, with 4 exhaust fans on the side panel. So hoping I can decrease ambients inside the case further and to help the blocks, reduce chances of condensation etc.
Edited by Rognin - 8/12/11 at 11:47am
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post #22 of 45
I dont think your idea would produce negative temps though..negating the whole need for anti-freeze or other liquids..

ie- if the cold is outside.. this is where the radiator needs to be.. having a rad on the interior loop would just 'warm' the already chilled liquid..

Going back to my loop layout.. you would have a sub-zero external loop, chilling an internal loop with no rad. Simply splitting the internal loop into 2-3x different outputs will help maximize the cooling potential without building heat as it passes each component.

take a look..external loop in blue.. internal loop shown in orange and red

Attachment 224142

*just realized I didnt add in the other pump for the internal loop.. but you get what i was going for.. A setup like that would take FULL Advantage of such low ambients outside..and require a minimal amount of rads/fans. The setup like you are referring to, would hold a low delta.. but would be a real waste of a lot of w/c gear and money. I hold a 8c delta on my w/c loop...and its inside the house.. 2x blocks, 1x rad.. you dont need all that extra stuff just to hold a tight temp margin [as it sounds more like this is your goal, rather than -0].

Edited by CL3P20 - 8/12/11 at 12:35pm
post #23 of 45
Thread Starter 
Quote:
Originally Posted by CL3P20 View Post
I dont think your idea would produce negative temps though..negating the whole need for anti-freeze or other liquids..

ie- if the cold is outside.. this is where the radiator needs to be.. having a rad on the interior loop would just 'warm' the already chilled liquid..

Going back to my loop layout.. you would have a sub-zero external loop, chilling an internal loop with no rad. Simply splitting the internal loop into 2-3x different outputs will help maximize the cooling potential without building heat as it passes each component.

take a look..external loop in blue.. internal loop shown in orange and red

Attachment 224142

*just realized I didnt add in the other pump for the internal loop.. but you get what i was going for.. A setup like that would take FULL Advantage of such low ambients outside..and require a minimal amount of rads/fans. The setup like you are referring to, would hold a low delta.. but would be a real waste of a lot of w/c gear and money. I hold a 8c delta on my w/c loop...and its inside the house.. 2x blocks, 1x rad.. you dont need all that extra stuff just to hold a tight temp margin [as it sounds more like this is your goal, rather than -0].
It's half my goal. The room I theoretically live in is 15' x 15'. When I fold in winter time or game, I have to open the door every other hour to keep the inside "livable" or I hit 25 to 30 c in the room. I have no way of cooling the room except to open a window or the door for 5 minutes then closing it. Which gets quite annoying and cold. The other half would be to have better temps on the components, but not sub zero, just sub ambient.

This solution would render the ambients inside my room livable. Remeber I live in a bunk over the 53rd parallel. I don't pay for power, and I'd like the computer to fold while I sleep and not wake up well done (cooking refrence).

So yes, in part I'm not looking for 0C water, more of a me solution than a computer one.

Dunno if that all made sense...

I also don't have to turn on the fans to max, I could just leave them at a minimal voltage. That would also reduce sound and help me sleep at night. =P

TL;DR, Basically a winter A/C substitute, as I found out the hard way you can't turn on an A/C in winter... =P
Edited by Rognin - 8/12/11 at 12:50pm
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post #24 of 45
Thread Starter 
I forgot to add; in doing it this way I don't have to take apart the computer every 6 months to take the rads out and what not. Just take the a/c out of the window, but the box in it's place, unhook the QDC's and hook em up to the box. Makes everything that much easier and hassel free.

I don't get weekends and time off to work on the puter. When I get time off they give me an airplane ticket and I leave camp. So no computer to play with. I also only get about 4 to 5 hours of spare time a day, which I'd rather use gaming or other leisurley things with a computer.
Edited by Rognin - 8/12/11 at 1:14pm
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post #25 of 45
Sorry just stumbled upon this thread and wanted to add:
Mate you are a mad scientist.
I would be so scared to try something like this.
No not scared - wrong word...I know that i would mess this up and end with a destroyed PC. Maybe even some small animals would have to suffer
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post #26 of 45
Thread Starter 
Quote:
Originally Posted by Mr.Eiht View Post
Sorry just stumbled upon this thread and wanted to add:
Mate you are a mad scientist.
I would be so scared to try something like this.
No not scared - wrong word...I know that i would mess this up and end with a destroyed PC. Maybe even some small animals would have to suffer
The only thing I was scared of was condensation around the CPU GPU. But by having the cold air inside the case I'm hoping to just do away with all the insulation.

When not in full load, I would shut off the pump on the outside rad and everything would be at ambients.

Am I wrong in not wanting to insulate the mobo and vid cards if I warm up the water with the rads blowing inside the case?
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post #27 of 45
I think you could get the results you want with something much easier..using a A/C cooler in the summer and an intake from the outside. If you made something like in the pic below, you could intake cool air from outside [with fans mounted outside too] when you need..and move the 'baffle' to isolate the intake to your A/C unit..when its hotter outside...

Attachment 224147
lulz at meh paint skeel
post #28 of 45
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Quote:
Originally Posted by CL3P20 View Post
I think you could get the results you want with something much easier..using a A/C cooler in the summer and an intake from the outside. If you made something like in the pic below, you could intake cool air from outside [with fans mounted outside too] when you need..and move the 'baffle' to isolate the intake to your A/C unit..when its hotter outside...

Attachment 224147
lulz at meh paint skeel
That would work, but it's a window mounted A/C. So I have to take it out during winter and put the box in.

That, and this project would be much more fun to make than a baffle and ducts... =P
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post #29 of 45
your misunderstanding.. look at the crappy drawing i made You would mount your window A/C unit to the 'Y shaped ducting'..and leave it inline all the time.. and just move the internal baffle to isolate either: cold from outside - or - A/C unit

*it would be something that is mounted in teh window all the time .. i know its not as fancy as what you were intending.. but I think this sort of unit would be much easier to control temps with, as you could control the flow from the outside with the speed of the fans on your intake...and control flow from the A/C unit, both with the thermostat settings and with the baffle which could exhaust excess cold air outside and not into the rad [to keep from going below ambient].
post #30 of 45
Thread Starter 
TA DA!!!

Google Sketchup draft.

First time I use this programme, but I like it. I'm set in this idea, forget using baffles and A/C's... I wanna spend money and get something origninal and made by me.

I put see throughs as I wanted people to see the holes inside. In the real version I'd build, I'd make a latch or door with insulation. I found a cheap modular PSU 400w for 39.99$, which could power the fans, the pump and a temp sensor. I'm thinking this could actually look good. The mesh at the front will be modders mesh. I plan on using some sort of vinyl to protect the wood from the outside. Maybe some carbon fiber stuff, would look nice.

What do you think?!
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