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Heatsink design (more fins and thiner?)

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Shiozaki

Member
Joined
Apr 13, 2014
$_57.jpg

This is the aluminum heatsink from my girlfriends alienware alpha, I have become fond of the little machine and I have been upgrading it here and there for her.

Its new cpu time and I'm trying to improve the cooling, I'm having the machine shop near me make a solid copper one for me.

Here's the question, should I double the fin count? Would more thin fins be an improvement or not ?
 

Mr.Scott

Beamed Me Up!
Joined
Jun 9, 2013
Any way you add more surface area will show improvement. Sure, more fins and thinner would be fine.
 

trents

Senior Member
Joined
Dec 27, 2008
Is this totally a passive cooling arrangement? Not familiar with what an Alienware alpha is. Generally, more surface area improves heat transfer but if fins get too close together it can can cut down on the flow of air past them and be counterproductive.
 
Last edited:

petteyg359

Likes Popcorn
Joined
Jul 31, 2004
Here's the question, should I double the fin count? Would more thin fins be an improvement or not ?
If it it fanless, pins might do better than fins, just because they'll allow more airflow:
Splayed-Copper-Pin-Fin-Heat-Sink.jpg