Heatsink design (more fins and thiner?)

Shiozaki · May 28, 2016

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 · May 28, 2016

Any way you add more surface area will show improvement. Sure, more fins and thinner would be fine.

trents · May 29, 2016

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.

Mr.Scott · May 29, 2016

It's not passive.

petteyg359 · May 29, 2016

Shiozaki said:
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:

Mr.Scott · May 29, 2016

petteyg359 said:
If it it fanless, pins might do better than fins, just because they'll allow more airflow

See post #4 and actually try the link.

Shiozaki · May 29, 2016

http://m.ebay.com/sch/i.html?_nkw=a....Xalienware+alpha+fan&sqp=alienware+alpha+fan

Blower style fan.

Any design ideas guys throw them my way.

Heatsink design (more fins and thiner?)

Shiozaki

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