[Beowulf] Re: overclocking with liquids
ballen at gravity.phys.uwm.edu
Sat Sep 22 01:02:14 PDT 2007
> What do they use in high dollar gear that really needs this? Fluorinert,
> such as FC77. Totally inert, very low viscosity, doesn't tend to cling to
> the electronics, etc. available in a variety of boiling points so you can do
> "ebullient cooling" (aka 2 phase cooling)which doesn't need a pump, and is a
> lot more flow than straight convective flow. You can also pump and spray it
> on the board. It's about a specific gravity of 2.
> But.. it's about $500-600/gallon, so don't spill it.
> And, it dissolves enough oxygen that rats can be immersed and breathe it and
> survive to wiggle another day.
I remember when I was about 15 years old, a guy (either a doctor or
engineer) came to my school and demonstrated this to my class. I still
remember it very clearly. He first used a bit of chloroform or ether to
'knock out' the mouse then put him into the beaker of fluid. We watched
the mouse breathe under the fluid for a while. When the mouse was pulled
out the guy said 'time for a bit of mouth-to-mouse resuscitation' and blew
into the mouse's nose to help clear the fluid out of the mouse's lungs.
(All the girls were suitably disgusted by this step!) After a minute the
mouse was running around again and seemed no worse off.
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