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Mindchill vs Krow: All-In-One Liquid Chiller Build Off! - Page 2

post #11 of 161
7/25/12 at 6:06pm
Quote:
Originally Posted by Krow View Post

lol it probably can't hurt, maybe he'll have a dB meter? Postage might be hell lol.

Unfortunately I don't have a dB meter. I do have a microphone, recording software and access to a sound proofing room. I can hook them up to an IVB or SNB-E, too.
Yeah, postage could be significant. I'm willing to share my portion (return shipping) to get hands on your creations.smile.gif It is absolutely fine if you guys don't want to. I surely will enjoy reading your build logs.
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post #12 of 161
7/25/12 at 8:08pm
This is awesome, I can't wait to see the progress and results!
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post #13 of 161
7/26/12 at 7:51pm
Thread Starter 
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 Delta implies on the chart that the surface of the TEC is loaded by about 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


Already ordered 3 more of these bad boys to complete the set.
Edited by Krow - 7/26/12 at 9:00pm
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post #14 of 161
7/26/12 at 8:15pm
thats insane Krow ^ is that the whole setup? it seems really tiny, how big is the fan for reference?
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post #15 of 161
7/26/12 at 9:13pm
Thread Starter 
The fan is a 60mm Delta, 12V 1.20A, the Heatsinks dimensions are 91mm x 91mm x 65mm. The TDP is 130W. There isn't a whole lot of information on these Heatsinks anywhere but they have live up to my expectations, even passed some of them.

The entire cooling module should be 18cm x 18cm x 10cm so it will be very compact.
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post #16 of 161
7/27/12 at 6:43am
Quote:
Originally Posted by Krow View Post

The fan is a 60mm Delta, 12V 1.20A, the Heatsinks dimensions are 91mm x 91mm x 65mm. The TDP is 130W. There isn't a whole lot of information on these Heatsinks anywhere but they have live up to my expectations, even passed some of them.
The entire cooling module should be 18cm x 18cm x 10cm so it will be very compact.

Thats impressive. glad I subbed this thread.
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post #17 of 161
7/27/12 at 7:57pm
Quote:
Originally Posted by Krow View Post

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

Nice idea! So four of these will give a total 0.015C/W assuming minimal airflow interference when packed together. That should be slightly better than a triple radiator.rolleyes.gif
Now Hyper 212 is only $20 on newegg, that could be quite cost effective when bundled together for a TEC chiller... say 6 TECs and heatsinks.
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post #18 of 161
7/27/12 at 8:50pm
Thread Starter 
According to my testing, these heatsinks, for $28 CAD, outperform the Hyper 212 Plus, aswell as the Hyper 212.

With this review:

Hyper 212 Thermal Resistance = 17.2°C Delta / 125W Load = 0.1376°C/W
Hyper 212 Plus Thermal Resistance = 14.4°C Delta / 125W Load = 0.1152°C/W

On low, mine is about equal to the Hyper 212 Plus, but I think Medium is a very tolerable speed. It's too bad sound bytes don't actually do the sound justice. Until I can get a multi-meter I'm only able to tell you Low/Med/High instead of voltages, but I'm assuming it's 5V/7V/12V or somewhere very near those numbers.

Also it's 1 TEC per heatsink so I don't think the surface area is increase, decreasing the thermal resistance. I think it should remain constant at whatever fan speed I set it at. A Swiftech Triple QP radiator, can be as low as 0.02. I think Mindchill is planning to use 2 double radiators, because 3 may not be in his budget, aswell as 2x 62mm 400Qmax TECs.

In all honesty I think this could be anyones game biggrin.gif Mindchill isn't even sure what's going to happen. But I've got all the water channels designed, and I just need to get them cut out. Hope I'll have another update soon.

PS: Also I'm looking at about 4°C or so when cooling a 200W load, so that's not all too bad biggrin.gif
Edited by Krow - 8/2/12 at 5:13pm
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post #19 of 161
7/28/12 at 12:15am
Quote:
Originally Posted by Krow View Post

According to my testing, these heatsinks, for $28 CAD, outperform the Hyper 212 Plus, aswell as the Hyper 212.
With this review:
Hyper 212 Thermal Resistance = 17.2°C Delta / 125W Load = 0.1376°C/W
Hyper 212 Plus Thermal Resistance = 14.4°C Delta / 125W Load = 0.1152°C/W
On low, mine is about equal to the Hyper 212 Plus, but I think Medium is a very tolerable speed. It's too bad sound bytes don't actually do the sound justice. Until I can get a multi-meter I'm only able to tell you Low/Med/High instead of voltages, but I'm assuming it's 5V/7V/12V or somewhere very near those numbers.

I don't think you should compare the frostytech tests with yours, since different testing methods are used. If you do you will find top air coolers (e.g. NH-D14) being worse than the cooler you are using. I am not saying you should not use the intel one, for the price it is a good one and it has a big advantage for TEC with its large flat base.
Quote:
Also it's 1 TEC per heatsink so I don't think the surface area is increase, decreasing the thermal resistance. I think it should remain constant at whatever fan speed I set it at. A Swiftech Triple QP radiator, can be as low as 0.02. I think Mindchill is planning to use 2 double radiators, because 3 may not be in his budget, aswell as 2x 62mm 400Qmax TECs.

I was talking about total c/w. Considering the total heat dump from cold loop and TECs, four air cooler would give 0.015c/w according to your test. This is to compare with water cooling case where the total heat dump is through radiators. So your scheme will be approximately equal to a good triple rad.
Quote:
In all honesty I think this could be anyones game biggrin.gif Mindchill isn't even sure what's going to happen. But I've got all the water channels designed, and I just need to get them cut out. Hope I'll have another update soon.
PS: Also I'm looking at about 0°C or so when cooling a 200W load, so that's not all too bad biggrin.gif

Yes, my calculation also suggest your scheme is doable, considering the heat of an OCed 2500k. What you are doing is creative and challenging. Being air cooled, the cost and maintenance advantage is significant. But it will finally come down to implementation. I will definitely keep eyes on your update:)
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post #20 of 161
7/28/12 at 1:18pm
Thread Starter 
Ohhhh I get it. Ya, I was focused on a single module, but ya, as you view the entire assembly, the °C/W will go down, but assembly deltas should remain the same as single heatsink (not taking airflow problems into account). My bad.
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