Too good to let go by

wstrass at eastman.com wstrass at eastman.com
Mon Aug 11 11:14:23 GMT 1997


To: XXXXXXXX--XXXXXXXX
cc: DIY     --INTERNET DIY

*** Reply to note of 08/10/97 15:26
From: Wayne Strasser (CED Polymer Development)
_______________________________________________________________________
Subject: Re: Too good to let go by


It is very difficult to make generalizations about charge heat being bad.  Let
us not forget the following:

1.  Heat stimulates interphase mass transfer (both diffusive and convective).
Without this, there would be no fuel evaporation or distribution.

2.  Heat stimulates both hydrocarbon and oxygen radical species production
which are the sole beings responsible for flame surface propogation (both
for the uni-dimensional laminar flamelets and the turbulent premixed stoich-
imetric zones).

But then again, too much kinetic energy contributes to thermal expansion
and combustion irregularities, so you must moderate (just as you stated)

Also, as a chemical engineer, I have never heard of liquid METALLIC hyrdogen.
Please explain how liquid hydrogen can ever exhibit metallic properties, such
as electrical and thermal conductivity or strength (tensile, shear, etc)

Thanks.

_______________________________________________________________________
        Wayne Strasser
        wstrass at eastman.com



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