Thanks, Doug.
I'd been worried about coking, so you have saved me a test setback.
Will a cyclonic separator upstream help? I've never dealt with coking,
so I don't even understand its vulnerabilities. Would a good wire
brushing with each new load of fuel do the trick? That could be
automated pretty easily.
All the ICEs have to deal with the power for a compression stroke. I'll
do the math on intake vs exhaust volume before building, of course, to
make sure the turbo efficiency is a minor fraction of the equations.
With a built-in air pump, a condensing flue is easy to arrange, and it
recaptures any heat used to burn wet wood. Would the steam help clean
coke? It eats carbon in an ICE.
From what I know about generators, a rapidly spinning magnet is quite
effective. Those little DC-DC voltage converters are surprisingly small
and efficient, running at very high frequencies.
Bob
On 17-01-02 05:15 PM, Doug wrote:
Hi Bob,
I have seen direct coupled car turbo's hooked to a pressurized
gasifier/stove, and in that situation, was fed hot gas straight out of
the gasifier. It's not that it doesn't work, just that it's almost
impossible to prevent the impeller from coking up and blocking. Not
sure how you would actually hook a generating device on this, but
opportunity to develop that hot gas to power directly would be a game
changer. You also have to consider the power demand required for air
input compression.
Doug Williams.
On 03/01/17 11:34, Bob Stuart wrote:
Best Possible New Year, everyone.
I arrived here after a period with wood heat but no electricity at
all, when I got interested in steam. Thanks to all for a great
education on the options. I am hoping to find a new situation with
younger people around where I can use a gasifier. What I'd like to
try would be expensive if I wanted maximum efficiency, but where the
need for heat is high and power modest, I think a great
simplification might work.
With a turbocharger from a car, I think it would be easy to just
pressurize an airtight stove to produce a solid-fuel gas turbine. I
presume that sticking a magnet on the cold end would let a coil pull
the power off. Raising the pressure would get more efficiency, but
drive up the bill for exotic materials.
Best,
Bob Stuart,
Spiritwood, SK
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