liquid nitrogen cooling a possibility?

William Park opengeometry at
Tue Jun 12 13:57:05 PDT 2001

On Tue, Jun 12, 2001 at 04:11:03PM -0400, Velocet wrote:
> > The trick is just to cool the CPU and leave everything else on the
> > motherboard untouched.  So, why not put dry-ice (CO2) on top of CPU?
> > You would need something to hold it in place on top of CPU, and the
> > dry-ice dimension can extend vertically.  I'm thinking long rectangular
> > or round stick, freely held vertically from CPU, so that as dry-ice
> > evaporates it will drop down.
> CO2 is liquid at about 6ATM and above (IIRC, remembering where
> the triple point is from my university chem...)
> I dont think you want to mess with high pressure cooling systems...

Dry-ice goes from solid to gas directly!  So, all you get is mist around
your motherboard.  Hmmm, water vapour condensation is one concern.

William Park, Open Geometry Consulting, <opengeometry at>
8 CPUs cluster, (Slackware) Linux, Python, LaTeX, Vim, Mutt, Sc.

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