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Radiators are leaking?

post #1 of 7
Thread Starter 
Hello guys,
i was searching into the web a review for my rad when i've found this:eek:
the article is "pretty" old(21/02/2011):
http://www.coolingtechnique.com/guide/radiatori/745-radiator-leak-case-study.html
http://translate.googleusercontent.com/translate_c?hl=en&langpair=it|en&u=http://www.coolingtechnique.com/guide/radiatori/745-radiator-leak-case-study.html%3Fstart%3D1&rurl=translate.google.com&twu=1&client=tmpg&usg=ALkJrhgIDMhsGyLCKLHwd__bLDIhsBYyeA
quad-leak-thermal.png

is this real?wth.gif
they have also tested a lot of rads and this are the results:

success = percentage of radiators affected by this issue

AirCube X2-240: 0% positive (0 / 2)
-Aquacomputer 360/420: 100% positive (1 / 1)
-Black Ice GT Stealth 360: 0% positive (0 / 1)
EK CoolStream XT-360: 0% positive (0 / 1)
360-HW Labs Black Ice: 100% positive (1 / 1)
-HW Labs Black Ice GTX 360: 0% positive (0 / 1)
-HW Labs Black Ice Stealth 240: 0% positive (0 / 1)
-Radiator Magicool Xtreme 240: 100% positive (2 / 2)
Phobya G-360-Changer: 100% positive (2 / 2)
Phobya-G-480 rev 01.02 Changer 100% successful (1 / 1)
Phobya-G-420 Rev. Changer 2.1 0% success (0 / 1)
Termochill PA120.3-25mm: 100% positive (1 / 1)
TFC-XChanger 3x120: 100% positive (1 / 1)

and also into the forum th, from aquacomputer:
"Since this problem is not easy to cover in the regular production process we started to use some kind of special glue to seal the problematic area inside the radiator. Every current airplex revolution has this modification so the water can not escape to the other side without passing the radiator."
Sven Hanisch
Sales Manager aquacomputer.de"
post #2 of 7
This shouldn't be surprising at all... They're all metal bodied, so there is going to be some heat transfer... The more space between them the more air will insulate the sides, but because they're all metal bodied some leakage is expected. I don't know what the fuss is about. I believe that whatever heat does get transferred will be dissipated as efficiently as if it didn't leak since it's a closed system. It's the same principle as water blocks not getting more than 1-2c hotter being in different parts of a watercooling loop because the water flowing around keeps them consistent, regardless of whether you put a radiator between hot components or not since the heat capacity of the water holds the heat without changing too much.
post #3 of 7
This isn't the matter or heat transfer, this is water leaking from one side of the end tank into the other.
    
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post #4 of 7
Incoming warm water leaking into outgoing cooled water?
post #5 of 7
If what they are trying to test for is water bypass from the inlet to outlet, using a thermal camera will not work on the GTX360 very well because of the double pass design.
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post #6 of 7
Thread Starter 
sorry for the late guys...too much work:)
Quote:
Originally Posted by mongoloid;13454625 
Incoming warm water leaking into outgoing cooled water?
yep, exactly!
Quote:
Originally Posted by MrJackson;13455569 
If what they are trying to test for is water bypass from the inlet to outlet, using a thermal camera will not work on the GTX360 very well because of the double pass design.

indeed the gtx360 isn't leaking, the rad on thermal camera on what i've understand is a tfc 360.
post #7 of 7
Woah eek.gifeek.gif
So sad, i was planing get a TFC Xchanger sozo.gif

The guy that made the tests also sent mail to TFC and their answer was a "ha ha" (literally)... sozo.gifsozo.gif

TFC making friends confused.gif
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