[Terrapreta] [Fwd: Re: Part II comments on John Cowan's "thoughts"]

[Kevin Chisholm]

Dear Juergen

Please see:
http://www.efunda.com/materials/water/steamtable_sat.cfm

This site enables easy determination of the pressure associated with any 
saturated steam temperature, OR the temperature associated with any 
saturated steam pressure.

Best wishes,

Kevin

Juergen Botz wrote:
> John Cowan wrote:
>> I've calculated this to be 130 PSI. I have yet to find such equipment. 
>> Back to make something from scratch?
> 
> Sean Barry has suggested 22.3 PSI.  That seems low to me, 130 seems 
> high.  "Seems" is simply based on the knowledge that ordinary 
> pressure cookers work at about 15 PSI.
> 
> I found the following on a web page about pressure cookers...
> 
>   "At sea level the temperature of steam is 212°F. for each 
>   pound of pressure increased, the temperature increases by 3°F."
> 
> That would give about 48 PSI for 180 degrees Celcius.
> 
> Sterilization autoclaves are definitely not designed for this
> kind of pressure.  So yes, it looks like making something from
> scratch.  I'm up for working on a design!
> 
> :j
> 
> 
> 
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