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Mindchill vs Krow: All-In-One Liquid Chiller Build Off!

post #1 of 161
Thread Starter 
Mindchill vs Krow: All-in-One Liquid Chiller!

Sponsored by:


Mindchill and I have been working together for a while to bring you awesome cooling solutions for you computers. We figured we wanted to design an All-In-One Chiller, but we just couldn't seem to come up with anything cheap enough, with enough power; until now. This thread will host the "Head-to-Head TEC Liquid Chiller" and contain all costs, specifications, cooler benchmarks, build logs, and whatever else is needed.

In the end, testing will be performed to compare the analytics of this contest to determine the winner. Criteria such as:

1) Performance
2) Noise
3) Power Used

The processor being tested will be the Intel Core i5 2500K (4.5GHz). The overclock isn't too demanding to ensure that we're both able to reach it (as we're going to be testing in two different locations), but whoever scores the lowest temperatures will win the performance category. We may go for a higher overclock to load the chillers but we won't be comparing results of overclocks if one cannot obtain the overclock. To cancel out differences in ambient temperatures, we're going be comparing deltas instead of actual chiller temperatures. But all the information will be contained in the posts for your own reference.


Rules:
  1. Must be All-In-One:
    • Contain Inlet/Outlet to and from CPU
    • Must contain all the necessary cooling equipment (Heat Exchangers, Pumps, Power Supply, etc...) and only require a waterblock on the CPU.
  2. Must be able to handle the load of an overclocked Intel Core i5 2500K
  3. Must be under $500 to build.
  4. Must be built with parts from retailers or wholesalers to ensure continuing production if a winner is chosen.

A special point system has been created to fairly gauge the winner, and will be unbiased.

When all is said and done, a poll will be taken to see which one you would personally prefer, but it will have no sway on the winner.


We hope you enjoy the show, and will hopefully be done in a few weeks at the most. May the best man win!
Edited by Krow - 7/25/12 at 2:58pm
Whitey!
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Whitey!
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post #2 of 161
Thread Starter 
Design (Google SketchUp):
July 25, 2012

Color Code:
  • Bright Blue: Bottom Plate Screw Holes
  • Bright Green: LGA1366 Mounting Screw Holes
  • Bright Red: Gasket Engraving
  • Dark Red: Warm Water Flow
  • Dark Blue: Cold Water Flow


This design is going to use the 4x Intel STS100C to cool 4x 225Qmax 40mm TECs. The Dimensions are 180mm x 180mm x 97mm.

I think this gives it a nice compact cooler, but it remains to be seen if the heatsinks will exhaust properly when pushing against each other. So far it seems to still work well if I block the back completely, it still exhausts out the top. That's just other testing I'm gonna have to do, when I get all of the heatsinks.

Testing:
July 26, 2012

Testing temperatures of the heatsink while running a 135W load. TEC is a 12709 run at 15V, 9A. This isn't to test the capability of the TEC, seeing as this is just a fake load to attempt to figure out the thermal resistance of the Heatsink. The real TEC will result in lower temperatures due it it's increased efficiency at 12V.

Ambient was ~24.5°C
Not sure if I'm right, but the 50°C, according to the chart, implies that the surface of the TEC is loaded by 12W from the surrounding environment.

Low Fan Speed - Heatsink Thermal Resistance = (40.6° - 24.5°C) / 147W = 0.10952°C/W


Medium Fan Speed - Thermal Resistance = (35.2°C - 24.5°C) / 147W = 0.072789°C/W


High Fan Speed - Thermal Resistance = ( 33.2°C - 24.5°C) / 147 = 0.059184°C/W


Testing:
August 3, 2012

TEC Info: 12709
Voltage: 14.9V
Current: 7.32A
Power: 109W
Load: ~10W

Low:
Ambient: 23.8°C
Hotside: 46.8°C
Coldside: -6.4°C
Load: 119W
Thermal Resistance: 0.19328°C/W
Total Assembly TR: 0.04832°C/W
Thermal Loss of Assembly (200W Load): +9.7°C

Medium:
Ambient: 23.8°C
Hotside: 42.4°C
Coldside: -10°C
Load: 119W
Thermal Resistance: 0.15630°C/W
Total Assembly TR: 0.039076°C/W
Thermal Loss of Assembly (200W Load): +7.8°C

High:
Ambient: 23.8°C
Hotside: 38.4°C
Coldside: -12°C
Load: 119W
Thermal Resistance: 0.12269°C/W
Total Assembly TR: 0.03067°C/W
Thermal Loss of Assembly (200W Load): +6.1°C
Edited by Krow - 8/3/12 at 6:52pm
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Whitey!
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post #3 of 161
reserve build log

I don't use sketchup so I'll post pics as the build progresses
Edited by Mindchi|l - 7/25/12 at 4:53pm
post #4 of 161
reserve test results
post #5 of 161
Thread Starter 
This spot reserved for results!
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post #6 of 161
Interesting and nice contribution to TEC section!
I could be your external referee and provide my critics if you guys let me.smile.gif
First question: What do you mean by "All-In-One" ?
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post #7 of 161
Thread Starter 
Contains pumps, heat exchangers, TECs and PSU. Something that you could mail to a person and all they need is a CPU waterblock, or we even supply our own biggrin.gif
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post #8 of 161
Quote:
Originally Posted by Krow View Post

Contains pumps, heat exchangers, TECs and PSU. Something that you could mail to a person and all they need is a CPU waterblock, or we even supply our own biggrin.gif

Does it include rad? That's a space eater.

I guess heat exchanger means rad . That will be quite big.
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post #9 of 161
Quote:
Originally Posted by foxrena View Post

Does it include rad? That's a space eater.

I guess heat exchanger means rad . That will be quite big.

I'm going radiator, Krow is going heatsinks I believe.. The gloves are off so its anything is fair game for this build biggrin.gif

Might be worth having fox test these out for us and referee.. what do you think Krow?
post #10 of 161
Thread Starter 
lol it probably can't hurt, maybe he'll have a dB meter? Postage might be hell lol.
Edited by Krow - 7/25/12 at 4:51pm
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Whitey!
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