Heatpipe or heatsink?

ming

OSNN Advanced
Joined
17 Jun 2003
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4,252
OK, most of you will have heard or seen HSF with heatpipes.
My question is, is or isn't the heatpipe just a piece of metal that's thick and bulky and is stuck on to the heatsink?
If not, can someone explain how it works and what's inside those 'pipes'? :confused:
 

LeeJend

OSNN Veteran Addict
Joined
25 Jan 2003
Messages
5,291
No it is not.

A heat pipe usually has a high conductivity heat transfer fluid in it that carries the heat away from the hot area to the cooler area. Like a mini-liquid cooling system with no motor.

At the extreme the fluid can be designed to vaporize at the CPU then recondense at the remote fins so you pick up the advantage of material state change energy to make heat removal even more effective. That's how an airconditioner (or in reverse a heat pump) works except on a much bigger, noisier scale.
 

ming

OSNN Advanced
Joined
17 Jun 2003
Messages
4,252
Ahh.. thought it had something to do with liquid...
cheers
 

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