[Stoves] New type of electricity generator suiteable forstoves- early development stage.

[Ken Boak]

----- Original Message ----- 
From: "AJH" <list at sylva.icuklive.co.uk>
To: "Discussion of biomass cooking stoves" <stoves at listserv.repp.org>
Sent: Wednesday, April 02, 2008 10:44 AM
Subject: Re: [Stoves] New type of electricity generator suiteable forstoves- 
early development stage.


> On Tue, 1 Apr 2008 08:53:06 +0100, Ken Boak wrote:
>
>>Small hot air engines can be used to recover a low percentage of the heat
>>from a hot body, such as a stove and make the energy available as either
>>mechanical for working a bellows or a simple fan impeller or for 
>>conversion
>>into electricity for battery charging etc.
>
> Yes and many variations on the stirling theme were on display at the
> Stirling and Hot Air Engine Rally last Sunday in Kew, though it was
> poorly attended Ken!
>
> I still think the solid state or metallic teg will be more usable but
> wouldn't discount a stirling, with models on show from toys that run
> on the palm of your hand from body heat to a 1 man power wood fired
> boat engine (running teflon piston and without lubrication video on
> youtube v=2LOcyjZthsg) and a veteran 1898 Eriksson wood fired water
> pump there are lots to choose from.
>
> For stove fan power the crux will be in keeping the hot side in the
> combustion chamber without affecting the cooking and making sure the
> cold side is cooled with incoming combustion air.
>
> If you are able to generate the 3W you suggest then this is enough to
> fan assist a 3kW(t) stove.
>
> AJH
>
>
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