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stevieturbo

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Northern Ireland

18th Jan, 2011 at 09:57:13pm

On 18th Jan, 2011 wil_h said:
Yes I agree, but all the higher quality ICs use the less restrictive designs. which makes me think that they have a better pressure-drop:thermal-efficiency ratio than the cheaper Chinese cores.


On 18th Jan, 2011 stevieturbo said:
Again, you are generalising about design.

Just because it looks different, doesnt mean one is better or worse. You need to take the entire package.

Dense turbulators/fins will restrict, but they will also assist cooling.

Sparse fins, will obviously flow better, but might cool fuck all.

So you need to find a balance of a core large enough not to restrict, and a set of tubes/fins dense enough that it cools.


IMO the 034 one you listed does look restrictive. But it will of course cool well. But if you have enough tubes, then the fact it appears restrictive doesnt matter. You still have adequate airflow through it.

And ideally you want to slow the air through the core as much as possible, so it can have the heat removed, or have the air stay in a tube for long enough to have the heat removed.
So that's either via many short tubes, or a few very long tubes.

Either will work as long as there enough to remove the heat, and not pose a big restriction.

For whatever reason, the yanks seem to favour many short tubes.
Whereas this side of the pond, fewer but longer tubes is more common.

Edited by stevieturbo on 18th Jan, 2011.

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