[Stoves] Small clean burning TLUD

[Frank Shields]

Dear Crispin,

So no task actually being done but determined by the energy delivered (when constant) to the task?   Knowing how much energy the task usually takes determines if the stove will complete the task is the plan?

You have the start weight of the fuel and the ending weight of the fuel. In the center you pick a spot and measure the start and end weights when the stove is working well to represent the cooking power. 

Real simple and nice. Good for batch stoves and I am sure the calculations (mass) can be adjusted for when adding more fuel for other types. I don’t think it matters if the power is constant during the run as long as you Start and End at each ends. And the cooking power section is large enough to cover all the differences in weight changes.  The rate-of-change picked to represent cooking power is the biggest variable and having it cover all but the front end and final end as the fire dies down should take care of that (as you do). 

 What type of stove and fuel? 


Regards

Frank




> On Nov 30, 2015, at 7:11 AM, Crispin Pemberton-Pigott <crispinpigott at outlook.com> wrote:
> 
> Dear Friends
>  
> I reported recently a small stove that was very clean-burning and I was able to run a simple test on it a few days ago.
>  
> Attached is the performance in terms of mass loss, nominal firepower and average cooking power.
>  
> The cooking power was calculated from the average thermal efficiency, ignoring the first 16 minutes during which the fire was getting established. The cooking efficiency was 56.9% averaged over 83 minutes.
>  
> Pretty impressive.
> Crispin
>  
> <Small TLUD.xlsx>_______________________________________________
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