[Amps] Getting rid of blower noise - an alternate cooling scheme using the phase transition of liquid carbon dioxide

Steve Thompson g8gsq at eltac.co.uk
Wed Feb 21 06:35:28 EST 2007



Paul Marbourg wrote:

> At a heat of vaporization of 136 calories per gram of CO2, CO2 has only 25%
> of the heat of vaporization as compared to water, but this is still a very
> significant increase in thermal transportation capacity over any means of
> liquid phase cooling.  For this application, it is helpful to envision a
> vacuum tube surrounded by a gently flowing supercritical cloud of liquid/gas
> carbon dioxide throttled by the microprocessor controlled solenoid valve....

I see lots to like in your idea, but is there a potential problem with 
thermal stress?

Steve


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