How does dust influence cooling properties of heatpipes ?

  • Thread starter Thread starter Skybuck Flying
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Skybuck Flying

Hi,

Has anyone tested/measured the effect of dust on heatpipes found on cpu's
and other components ?

As time goes on more and more dust settles on the heatpipes etc... will this
reduce the effectiveness of the cooling properties of the heatpipe ?

Bye,
Skybuck.
 
Skybuck Flying said:
Hi,

Has anyone tested/measured the effect of dust on heatpipes found on cpu's
and other components ?

As time goes on more and more dust settles on the heatpipes etc... will
this
reduce the effectiveness of the cooling properties of the heatpipe ?
Click to expand...

i never took temp readings
but , yes..dust impedes cooling
 
In message <[email protected]> "Skybuck Flying"
Hi,

Has anyone tested/measured the effect of dust on heatpipes found on cpu's
and other components ?

As time goes on more and more dust settles on the heatpipes etc... will this
reduce the effectiveness of the cooling properties of the heatpipe ?
Click to expand...

I just spent a little while researching heatpipes last night, and I
can't quite find the URL that covered dust, but in general, no.

A properly designed heatpipe should be useable in an extremely
dusty/dirty/harsh environment as long as the pipe itself is not
physically damaged.
 
Hi,

Has anyone tested/measured the effect of dust on heatpipes found on cpu's
and other components ?

As time goes on more and more dust settles on the heatpipes etc... will this
reduce the effectiveness of the cooling properties of the heatpipe ?

Bye,
Skybuck.
Click to expand...

The "pipe" part of the pipe could even be insulated, but at
it's termination there still has to be a sufficient heat
radiation mechanism (thin fins typically if not soldered
into a large block) that isn't defeated by dust buildup.
If the radiation mechanism is of questionable capacity then
the heat shed by the tube(s) themselves becomes more
important.

The generic answer is "yes", dust matters. The heat
production of the (CPU?) remains constant and the heatpipe
is a closed system, it must have airflow to remove the heat
energy from it else it quickly gets too near the temp of the
part it's cooling.
 
In message <[email protected]> kony
The "pipe" part of the pipe could even be insulated, but at
it's termination there still has to be a sufficient heat
radiation mechanism (thin fins typically if not soldered
into a large block) that isn't defeated by dust buildup.
If the radiation mechanism is of questionable capacity then
the heat shed by the tube(s) themselves becomes more
important.

The generic answer is "yes", dust matters. The heat
production of the (CPU?) remains constant and the heatpipe
is a closed system, it must have airflow to remove the heat
energy from it else it quickly gets too near the temp of the
part it's cooling.
Click to expand...

Ahh good point -- I was only thinking about the pipe itself, not the
dissipation at the end.
 
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