[Gasification] Stirling Engine... could it be used in agasification system?

Wed Jul 26 05:21:39 CDT 2006

Dear Manuel, Jeff and list,

Stirling engines are still in development, manufacturing costs are high and realized efficiencies are comparable to diesels (max 30%) and demonstrated scale is below 100 kWe. 
You should really read this free publication, which discusses energy conversion devices for gasification (not only stirlings!!): 
http://www.gastechnology.org/webroot/downloads/en/IEA/ReviewofEnergyConversionDevicesrev.pdf  
This one gives a lot paths to explore about what already is been done.

Also I like to drop a view more links....
About more great toys: http://www.ministeam.com/acatalog/Bohm_Stirling_Engines_and_Kits.html   
Or build a test tube stirling yourself: http://www.nmri.go.jp/eng/khirata/stirling/testtube01/index_e.html  

Greetings, Erik Jan

-----Oorspronkelijk bericht-----
Van: gasification-bounces at listserv.repp.org [mailto:gasification-bounces at listserv.repp.org] Namens Jeff Davis
Verzonden: woensdag 26 juli 2006 7:51
Aan: gasification at listserv.repp.org
Onderwerp: Re: [Gasification] Stirling Engine... could it be used in agasification system?

Dear Manuel,

Stirlings look simple but they end up getting complicated (IMHO). But what the 
hey-- Purchase one "HeatWave" http://www.thermalengines.com and one WoodGas 
Stove http://www.woodgas.com plus a small generator and one could charge a 
battery. 

Balls to the wall,

Jeff

On Tuesday 25 July 2006 11:46 am, Manuel Escamilla wrote:
> Dear Members of the Gasification Forum:
>
> A few months ago I posted an idea about an engine that, although it is
> quite efficient and cheap, it hasn't been developed for comercial purposes.
> This engine is called Stirling Engine and it was developed back in 1816.
> Basically it consists of two pistons which move given the dilatation and
> contraction of a gas. Such system does require a heating source pointing
> directly over a heating surface which will then transfer heat into the main
> chamber which will generate a dilatation of the gas contained, generating
> work over the head of the main piston which will also generate the movement
> of used gas into a cooling chamber for contraction. The cycle is
> theoretically simple, efficient and quite cheap to build. I understand that
> gasification produces a gas with low heating value compared to other fuels
> so why not trying this machine powered by a heating surce that uses such
> gasification product?...
>
> You are the experts on the area, I really have no idea if it will fit your
> needs but please, at least one of you, copy and paste the following link on
> your browser and check the basic theory of the engine. Maybe the only key
> here would be the heating surface but such materials and design technology
> is really well developed and there are many ways to achieve a good heat
> transfer efficiently. I hope this tip will start a thread and some
> investigation on the area and who knows, maybe in 10 years I'll be able to
> buy my first stirling engine car that runs on grass!!!!
>
> The link for such basic theory, models, how to build guide and more is the
> following:
>
> http://www.bekkoame.ne.jp/~khirata/
>
> Take care and HAVE FUN!!!
>
> Best Regards
>
> Manuel A. Escamilla
>
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-- 
Jeff Davis
Somewhere 20 miles south of Lake Erie, USA
http://www.velocity.net/~jeff0124

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