Joseph Gwinn wrote:
In ,
Laurie wrote:
Looks interesting but the web site is a little short on details.
http://www.multiplaz.com/
Typical information-free site for sure. Pretty, though.
The key is to use steam as the working fluid in what is essentially a
TIG torch. They claim steam or steam+alcohol to be almost as good as
argon, and a lot cheaper.
I was able to find the US patents, having gleaned the names of the
inventors from their awards:
6,156,994; 6,087,616; 5,719,370; and 5,609,777.
How very intriguing! Chem E's, a little help please?
Would it be more proper to say that the water+alcohol mixture
changes state from liquid to steam to hydrogen + oxygen gas
to plasma in the torch head, (rather than from liquid to steam)?
I suspect the alcohol just lowers the vapor pressure of the
mixture, yes?
...Though I admit the inventor curiously claims "Plasma Steam"
in 5,719,370 and 5,609,777.
--Winston