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radiator ducting?

D

darkecho

Weaksauce
Joined
Jul 9, 2004
Messages
106
Ok so radiators should always have a shrouded fan about 1" away as to get the full cooling effect, this seems to be the groups consensus.... NOW.. heres an idea...

First off, how much heat is produced by a radiator when ambient air is pulled through it?.... my reason for asking is, if you mount your radiator say up in the top panel of your case, then you have the fans under the radiator sucking ambient air through the radiator and into your case, you will be sucking ambient air (heated up by the radiator) into your case....

second way to mount would be to have the fans exhausting out of the case, pulling already hot air from inside the case through the radiator and out of the case.... this however would mean, hot air is running through the radiator and that wouldnt cool the water as well would it? so here is my idea...

mount your radiator in a corner of the case. have two openings on on the top surface and one on the adjacent surface, then have the radiator mounted to the top with fans under it drawing ambient air from outside through its fins, then use some of that ducting you can buy at orchard supply and have it direct the used radiator air out of the case in your second opening... this would make it so that your radiator doesnt affect the heat buildup inside the case right? since its like a self contained radiator system inside the case...

now the last thing that will make or break this idea, just how much does the temperature of the air effect the cooling ability of the radiator? and does the used radiator air really increase the temp of the case at all.... maybe screw the ducting idea and just have more fans exhausting out of the case? thanks all
 
Yes, that's exactly what I did. My radiator sits in 3 of my 5.5" drive bays facing forward, and i have it ducted to two 120mm fans on the top of the case.
Air temp directly affects water temp. If you lower the temp of the air going through the radiator, of course it will lower the water temp.
 
darkecho said:
Ok so radiators should always have a shrouded fan about 1" away as to get the full cooling effect, this seems to be the groups consensus....
Click to expand...

heatercores should always have a shroud between the face of the core and the fans that provides at least 1" between the core and the fans.

If space in the case is not a problem, the shroud can get slightly better temps with more than a 1" standoff.
 
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