Get It Colder II

Re:Get It Colder II (Halo_003)

Sat, 27 Apr 2013 18:53:44 GMT

Sponsor? I don't have one or a 3960X either lol.

I originally got the 3820 because I didn't want to pay more for a chip until 8C/16T is an option.

Re:Get It Colder II (BadBertie)

Thu, 25 Apr 2013 15:41:51 GMT

Great news Halo. Thought with that huge dewar plus sponsor you'd be looking at a 3960X.
:-D Good luck Dude. Keep us in the loop.
... so to speak.

Re:Get It Colder II (Halo_003)

Thu, 25 Apr 2013 14:43:19 GMT

Well just to update, college is officially Florida Institute of Technology. Army ROTC is going to pay for me as well! My major will be Computer Engineering, but I'd like to take some Electrical Engineering as well, so we'll see about that.

I talked with Praxair again, and got quoted $110 for 160L. ( $.6875/L) I'm going to rent a 160L dewar as well, for about $1 a day. Fun times ahead, this just means I need to pick up a thermos or three. I really wish I had gotten a 3930K now, but alas. I'm gonna start with the 580 on X58 first, and try out the X5570 ES on the X58A-OC.

Re:Get It Colder II (Halo_003)

Fri, 05 Apr 2013 20:37:23 GMT

Hahaha no not so far. Family in Florida where I am now, girlfriend of 2+ years in IL, so I figured those were both good options.

Re:Get It Colder II (BadBertie)

Mon, 01 Apr 2013 15:39:17 GMT

Hey Helo. I hope your choice of college works out. Question tho - was there any ambient geoclimatic bearing on your choices? Probably much easier cooling in Illinois than Florida.

Re:Get It Colder II (nateman_doo)

Fri, 29 Mar 2013 14:39:42 GMT

You could make bong cooler on the cheap. I still have mine propped against the wall for a while now. Collecting dust.

Re:Get It Colder II (JaskarnSidhu)

Fri, 29 Mar 2013 09:34:14 GMT

Halo_003

Sounds pretty neat, that was exactly what I was talking about, nice find. Thanks for the info.

Np, glad to help. If you are intending on picking up one of those water cooled condensers (WCC), just make sure you get the right size. You can actually get away with have an over sized WCC so the refrigerant will stay in contact with the water longer and reject more of its heat. This will help ensure all the refrigerant vapor is condensed into liquid. On the flip side, your water temps will be higher so you may need bigger or more rads to release the heat from the water.

If there is anything else you'd like to know about air conditioning or refrigeration dont hesitate to ask or drop me a PM.

Re:Get It Colder II (Halo_003)

Fri, 29 Mar 2013 08:41:28 GMT

Sounds pretty neat, that was exactly what I was talking about, nice find. Thanks for the info.

Re:Get It Colder II (JaskarnSidhu)

Thu, 28 Mar 2013 07:04:25 GMT

And these water cooled condensers are faily cheap. I picked up a 1 ton water cooled condenser from RSL (local refrigeration suppplier) for about $90.

Re:Get It Colder II (JaskarnSidhu)

Thu, 28 Mar 2013 07:02:34 GMT

You could but thats exactly what a water cooled condenser does.

The heat exchanger would have to be able to handle pressures of between 100 to 500 psi (depending on the type of refrigerant used).

When refering to hot gas, thats the vapour in from the compressor. After it gets cooled, the vapour turns into liquid refrigerant.

Re:Get It Colder II (Halo_003)

Wed, 27 Mar 2013 21:57:33 GMT

JaskarnSidhu

Halo_003

That's cool! What about if I stuck a water loop in to cool it? Would that work?

What do you mean stuck a water loop in to cool it? Where are you sticking the water loop? around the water cooled condenser?

The water cooled condenser has 2 paths in it. One path is for the refrigerant to flow, where it rejects or releases the heat. The second path is where the water flows and it absorbs or picks up the heat from the refrigerant.

If you wanted a closed circuit as your water loop you could do that, but your temps would be pretty high....and you would need a lot of rads to dissipate the heat as the condenser is discharging 85F constantly. As your condensing temps rise, so does your head pressure on the high side of the system....but now we are getting deep into the function of a refrigerated system which we dont need to be.

If you have access to your school water supply and a drain near by, just use that. Fresh, cool water from the supply absorbs the heat from the refrigeration system and discharges into the drain.

Short of that, you can use a closed circuit loop similar to that of one used in a water cooled computer, but you would need many many radiators, or a few big ones at the very least.

Well could you use a plated heat Exchanger? Have one of them be the "condenser" in the phase unit and have the other flow in the Exchanger be water? That way you could treat your HX as the heat source in the water loop, and it(the HX)would be the "condenser" in the phase unit.

I have a lot of rads on hand so it'd be no problem if I did do it.

Re:Get It Colder II (JaskarnSidhu)

Wed, 27 Mar 2013 21:46:02 GMT

Halo_003

That's cool! What about if I stuck a water loop in to cool it? Would that work?

What do you mean stuck a water loop in to cool it? Where are you sticking the water loop? around the water cooled condenser?

The water cooled condenser has 2 paths in it. One path is for the refrigerant to flow, where it rejects or releases the heat. The second path is where the water flows and it absorbs or picks up the heat from the refrigerant.

If you wanted a closed circuit as your water loop you could do that, but your temps would be pretty high....and you would need a lot of rads to dissipate the heat as the condenser is discharging 85F constantly. As your condensing temps rise, so does your head pressure on the high side of the system....but now we are getting deep into the function of a refrigerated system which we dont need to be.

If you have access to your school water supply and a drain near by, just use that. Fresh, cool water from the supply absorbs the heat from the refrigeration system and discharges into the drain.

Short of that, you can use a closed circuit loop similar to that of one used in a water cooled computer, but you would need many many radiators, or a few big ones at the very least.

Re:Get It Colder II (Halo_003)

Wed, 27 Mar 2013 17:51:17 GMT

That's cool! What about if I stuck a water loop in to cool it? Would that work?

Re:Get It Colder II (JaskarnSidhu)

Wed, 27 Mar 2013 12:22:35 GMT

Halo_003

nateman_doo

a phase change is PERFECT for school, since you don't pay the electric bill ;)

Very true, so far I'm in at Florida Inst. of Tech. and Illinois Inst. of Tech., still waiting to hear from USAFA but we'll see on that one. So, I am actually looking into it. Not sure if I will just buy one or if I'll build, to be honest I'd probably buy one.
Although, aren't they kind of loud and they put out a lot of heat?

Not sure yet, all depends on financial packages and stuff right now.

Well if you will be using it at school and you are worried about the heat and noise i have a solution for you. Use a water cooled condenser and the school's water. I dont know what the default water temp is that is provided by your water company in florida, but here in Edmonton, the water is about 5C. Most water cooled condensers operation at a 85F discharge heat, so the delta temp is huge and makes for more efficient heat transfer.

Thats a good option if you dont have to pay for the electricity and water.

Plus, they have come out with DC compressors that are insanely effecient. They have SEER ratings of 28, which is about 3 times that of the ones from like 6 years ago (older ones have a EER/SEER rating of 7-10).

Re:Get It Colder II (Halo_003)

Tue, 26 Mar 2013 16:04:17 GMT

nateman_doo

a phase change is PERFECT for school, since you don't pay the electric bill ;)

Very true, so far I'm in at Florida Inst. of Tech. and Illinois Inst. of Tech., still waiting to hear from USAFA but we'll see on that one. So, I am actually looking into it. Not sure if I will just buy one or if I'll build, to be honest I'd probably buy one.
Although, aren't they kind of loud and they put out a lot of heat?

Not sure yet, all depends on financial packages and stuff right now.

Re:Get It Colder II (nateman_doo)

Tue, 26 Mar 2013 06:20:28 GMT

a phase change is PERFECT for school, since you don't pay the electric bill ;)

Re:Get It Colder II (awalleyeguy)

Tue, 26 Mar 2013 04:26:06 GMT

So is the board working?

Re:Get It Colder II (Halo_003)

Mon, 25 Mar 2013 19:38:11 GMT

@John, that's why I want to get versed in it and build a cascade sometime lol.

Well I have college coming up and I only spent ~$200 so far on subzero gear. To be honest I'd love to run my CPU on phase at -50C 24/7, it's just not the best option right now.

Re:Get It Colder II (johnksss)

Mon, 25 Mar 2013 19:37:44 GMT

Not exactly true...LN2 is to see what is possibly your best case scenario on your parts.
Dice is for testing the water
SS is for maintaining a nice balance between the two, but a killer on the electric bill! Not to mention a Casscade.

And A SS can be quite costly to get fixed when broken. Unless of course you live next door to a SS builder.

Re:Get It Colder II (JaskarnSidhu)

Mon, 25 Mar 2013 19:32:28 GMT

Why don't you go to phase changing or refrigerated cooling? You can achieve your -50C temps and not ever need L2N or Dice. The initial investment is large, but in the long run you wont ever need L2N or Dice.

Re:Get It Colder II (Halo_003)

Mon, 25 Mar 2013 10:56:15 GMT

Figured I'd check with my local Airgas. The minimum they do for LN2 is 180L, at $150.37 with fees. For dice they do 30lbs for $36.38, or 25lbs for $31.03. LN2 is pricey stuff lol, but that doesn't seem that bad.

Praxair is about $131.50 for 160L, about $50 for 30L. Again, not too bad, but their dice is more expensive.

Re:Get It Colder II (Halo_003)

Sun, 24 Mar 2013 22:04:41 GMT

Well, had a few issues tonight but I did manage one decent run. I held about -45C for the duration of the run, it was tough to do since my dice comes in blocks, so I was hammering away before starting a run.

My first run at 1100MHz was the good one, I then did 1150MHz and got a lower score. I think that was because I didn't restart, just went right into it. After that I had condensation in the PCIe slot, some vaseline there stopped that, no idea how I'll get it out but whatever lol. I also had to up my insulation mid session too. I was going for 1200MHz next but I ended up running out of dice, I only got 8lbs to start with anyways.

Some pictures:

[attachment=0]
[attachment=1]
[attachment=2]
[attachment=3]
[attachment=4]
[attachment=5]
[attachment=6]

Re:Get It Colder II (Halo_003)

Wed, 06 Mar 2013 19:52:21 GMT

Yup it is, even with 295s.

Just a note for you guys, if you haven't tried Max Payne 3, I really recommend it, it was an awesome game.

Re:Get It Colder II (awalleyeguy)

Tue, 05 Mar 2013 14:27:08 GMT

Still the longest 30 seconds there is.

Re:Get It Colder II (nateman_doo)

Tue, 05 Mar 2013 12:12:46 GMT

wow, that sandy bridge is a 3K point advantage against the X58 in CPU test 1.
the CPU tests are probably over in seconds.

Re:Get It Colder II (johnksss)

Sun, 03 Mar 2013 20:00:38 GMT

Now that it awesome!!

Re:Get It Colder II (awalleyeguy)

Sun, 03 Mar 2013 19:59:09 GMT

Awesome John.
The best I got with no phyx
[attachment=0]

Re:Get It Colder II (johnksss)

Sun, 03 Mar 2013 19:51:37 GMT

Hate to say it...but laptops are beating that as well with physx on:)
http://www.3dmark.com/3dmv/4547694
With it off, still beating the gpu scores.
http://www.3dmark.com/3dmv/4605660
Q's run on ln2
http://www.3dmark.com/3dmv/2106893

Re:Get It Colder II (nateman_doo)

Sun, 03 Mar 2013 19:40:10 GMT

Thats sick. seriously. I still compare everything against the 295's.
QUAD SLI trying to break 47K with physx, and that does 63K with dual SLI and NO PHYSX. Sick. Awesome, but sick!

Re:Get It Colder II (awalleyeguy)

Sat, 02 Mar 2013 18:39:01 GMT

First test
2 Titans no phyx
[attachment=0]