[Stoves] Seven steps to the 'perfect' stove

[Kevin Chisholm]

Dear Andrew

Thanks very much!! Very helpful!!

Best wishes,

Kevin

AJH wrote:
> On Thu, 27 Sep 2007 14:30:10 -0300, Kevin Chisholm wrote:
> 
>> What is the maximum permissible moisture content for biomass being used 
>> as fuel in a TLUD?
>>
>> If I exceed this maximum permissible moisture content, what happens?
> 
> I guess above about 40% by weight of water and a top down burn cannot
> be sustained, too much chemical potential heat is lost in the offgas
> that in an updraught device would still dry the wood above it.
> 
> It would be an interesting experiment, form a tlud stove with a piece
> of flue pipe and pack it with known mc fuel. Add a small amount of dry
> wood above this and light up. Repeat experiment until the downward
> pyrolysis front doesn't stay alight.
> 
> Tom Reed reported that at the moisture content goes up the char yield
> drops to nothing at 30% mc IIRC.
> 
> AJH
> 
> 
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