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Unread 03-14-2004, 01:32 PM   #4
feathers
Cooling Neophyte
 
Join Date: Mar 2004
Location: UK
Posts: 81
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Water should be forced to flow over a rough surface.. The ideal surface for a water block would be one with little vanes or pins (as with the Swiftech designs). Sending the water over a relatively smooth surface doesn't have the same cooling effect.

It's the same with radiator design. Most radiators have smooth walled internal water channels. If the internal channels had fins or pins then the cooling which be much more effective.
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