GAS-L: Adiobatic Flame Temperature

["Graeme Williams" <graeme@powerlink.co.nz>]

Hello Tom,

You are quite correct to have guessed we used K Wire thermocouples to read
our flame temperatures.  Without the support of technical institutions
equipment, or the people to use it correctly, or even know that you can
measure any other way, we become locked into yet another technological
measuring trap.

I'm not even going to pretend I understand why we could have measured only
possibly half the actual flame temperature or why all the steel around the
flame didn't at least glow red, but then did it really matter?  All we
wanted to do was run an engine without destroying it and dry some timber in
a kiln.

With the benefit of hindsight, is the pursuit of measurement to prove that
the process meets a theoretical figure, or the figure you measure from a
working process correct for the activity?

The correct temperature of an adiobatic clean producer gas flame may be
important, but is irrelevant if the gasification process is uneven with
fluctuating gas quality, or worse still, allowing uncracked hydrocarbons to
contaminate the gas stream.  You could say "let this be a warning and don't
measure something unless it's known to be working correctly in the first
place" (and use the correct measuring procedure).

I hope these types of discussions continue, as they unlock our future and
dispell the mythology of the past.

Still learning the hard way

Doug Williams
FLUIDYNE GASIFICATION


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