Goliath Triple Cooling System

[Pete]

I know what is it . I asked why he uses it. I don't think it is needed with the condensors he is using, and I think it is ugly (but that's just personal)

Alright alright, i think it's stunning compaered to some i have seen.

More refrigerant so higher pressures i think.

More also allows for more load tuning as well.

[Brother Esau]

WOW....very Nice Clean, quality Workmanship You get a Cigar from me

[Polizei]

Sure, there might be more refrigerant when there is longer tubing, but more tubing also means higher volume.

Maybe it has something to do with too much tubing on the high side and not just too much tubing in general.

[Sweeper]

Thanks guys for the information. I was thinking of adding a Suction Accumulator.... would there be any advantages to the system?

[n00b 0f l337]

Lower static pressure and less chance of floodback.

[Sweeper]

[QUOTE=n00b 0f l337;2591200]Lower static pressure and less chance of floodback.[/QUOTE

Is this a good thing or not needed in my system?

[n00b 0f l337]

Can't hurt persay, more bout room. With constant heat loading systems (like chillers where you have a large specific heat of liquids), you wont need it all that much.

[DetroitAC]

What kind of refrigerant flow control are you going to use Sweeper? TXVs? Cap tubes? other?

The load will be changing when the refrigeration loops are running, but you'll likely have a lot of thermal inertia (chiller res). Accumulators used for control of floodback are helpful at catching the liquid from an overfeeding situation, and if designed correctly they can store excess liquid on the low side of the system.

Downside of them is cost, complexity, space, potential to hold up oil and suction side pressure drop.

[Sweeper]

I will be using TXVs.....so, I'm guessing the accumulators will not be necessary.

[Supertim0r]

it cannot hurt

[Sweeper]

I have twins! It was tight, but they fit nicely in the case.

[n00b 0f l337]

Aw how cute

[billdavis]

WOW amazing

[Sweeper]

Update pics of some the work I've been doing on the system. I know progress is slow, but as I stated in the beginning.... I'm making most of the parts myself and it takes time to do everything as planned. Hope you guys hang in there until this thing is finished!

[knightwolf654]

that is the greatest thing i have ever seen :o keep it up m8!

[Polizei]

Just to be sure... that whole compartment on the bottom, thats going to be ambient temp air, right? Just the top, smaller box is going to be chilled?

[Sweeper]

Thanks Knightwolf! I'll keep you guys posted with the results. Hope to fire this baby up soon!

[Sweeper]

Just to be sure... that whole compartment on the bottom, thats going to be ambient temp air, right? Just the top, smaller box is going to be chilled?

Thats right. The bottom section will only have exhaust fans to move hot air out of the case and the top section will house the cooling chamber, water loop for hard drives and controller.

[Polizei]

Alrighty.

Whats the deal with the huge coil of wire in the bottom right in the last picture?

[AllAgainstPaul]

Once Again More Questions:

01. You mentioned cooling the Hard drives in the first post, Will that loop be separate from the high pressure/low temp loop?

02. Have you decided on the parts yet (Motherboard, CPU, GPU, RAM, HDDs, PSU)?

03. Which sides are the front and back of the case?

04. Are you going to mount the PSU directly to the aluminum side or are you going to make a cradle/carrier for it to be supported by?

05. Is the bottom compartment bowing/warping downward due to the weight of the compressors or is it an optical illusion?

06. If it is not an illusion do you trust in the strength of the current case or will you reinforce the bottom with crossbars or some other method?

07. What type of pressure and temperature measuring devices are those and where can I find more details about them?

08. What diameter copper pipe is that?

09. Are you using flared fittings on the copper pipe?

10. If 09 is yes, what is your method of leak testing for flared fittings with odorless gases?

I use a spray bottle of VERY soapy water and look for bubbles around the fittings when I work with propane. It works most of the time but I wonder if your technique is any more reliable.

[Pete]

AllAgainstPaul

I think Sweepers 1st post told us about it all of some of your QU's but here are few point i pulled!

1. The custom case is fabricated from aluminum and will be designed to house three cooling systems. This case is very large 48” W x 48” H x 18” D. This will not be something you can put on a computer desk.

2. There will be two ½ HP compressors with R507 refrigerant cooling two different systems. I’m hoping to get the temps down to around -40 for each system.

3. The first cooling system will cool down a low temp heat transfer fluid to -40 that will remove heat from the CPU and two video cards. Each component will have separate cooling loop.

4. The second cooling system will cool down a custom air tight chamber, which the motherboard, CPU and video cards will be mounted. The idea is to keep the air inside down to -40 and not have to insulate any of the components. Also, the ram and chipset will be cooled by the circulating -40 air in the chamber.

5. The third cooling system will be a water loop outside the cooling chamber that will cool four hard drives, due to hard drives do not operate well under low temperatures.

[AllAgainstPaul]

I just had thought. If the pump does produce the 150+ psi of pressure you could design an ultra restrictive impingement-cup blocks similar to Cather's Storm Blocks but tuned for a more powerful pump like yours.

[Sweeper]

Once Again More Questions:

01. You mentioned cooling the Hard drives in the first post, Will that loop be separate from the high pressure/low temp loop?

Hard drives will have separate water loop.

02. Have you decided on the parts yet (Motherboard, CPU, GPU, RAM, HDDs, PSU)?

I will be using my current AMD system for testing and will change to Intel system after testing is complete. I want to run SLI setup, so I'll probably wait to see how the 780i board reviews go. CPU will probably be 9650.

03. Which sides are the front and back of the case?

I will be using the side that is in the posted pics. I've decided to use three view windows for the system.

04. Are you going to mount the PSU directly to the aluminum side or are you going to make a cradle/carrier for it to be supported by?

The PSU's will be mounted in there on rack in the top section of the case.

05. Is the bottom compartment bowing/warping downward due to the weight of the compressors or is it an optical illusion?

The bottom section is reinforce with cross tubing and no it is not bowing. The pics for some reason turns out smaller and distorted .

06. If it is not an illusion do you trust in the strength of the current case or will you reinforce the bottom with crossbars or some other method?

07. What type of pressure and temperature measuring devices are those and where can I find more details about them?

The mounting plate I made....the gages are Yellow Jacket and dual pressure switch is made by Johnson Controls.

08. What diameter copper pipe is that?

Not sure which pipe you are referring to?

09. Are you using flared fittings on the copper pipe?

Flare and brazed.

10. If 09 is yes, what is your method of leak testing for flared fittings with odorless gases?

Soap and water to start.....but I will be checking for pressure drop with micron gage.

I use a spray bottle of VERY soapy water and look for bubbles around the fittings when I work with propane. It works most of the time but I wonder if your technique is any more reliable.

Hope this answers your questions.

[Sweeper]

Alrighty.

Whats the deal with the huge coil of wire in the bottom right in the last picture?

The wire is for the six fans on the condenser, which will be routed up to the top section of the case.

[Polizei]

Ah, I see.

Fantastic work with everything.