[Stoves] Stirling to drive fan

[AJH]

On Fri, 22 Sep 2006 21:45:30 -0700, jason marshall wrote:

>> I fail to see how any energy is "lost" because all the work done by
>> the heat engine ends up in the stove.
>
>You have to have a cold side for a heat engine to do work.   The cold
>side is radiating heat somewhere that's not into the pot or fire.  If
>you have something you'd like to heat up, like a cold room, then no,
>it's not so bad.

Yes but as you point out below the heat from the cold side might be
directed back into the combustion chamber, stationary "low pressure"
gas turbines do much the same with a regenerator.
>
>... or maybe like the air at the mouth of the intake.  But I'm not
>sure if that would actually work or no.

Nor are we yet, it may mean the heat exchange surfaces are too big and
difficult to link into the TEG.
>
>
>This is all starting to sound a bit like the emissions controls on my car :)

Well the problems are much the same, except the car only has a few
milliseconds of retention time.

AJH