Crispin and list
1. This looks like excellent new data. Congratulations to SeTAR for
putting this out.
2. Small correction on "H2 and CO is surprisingly constant". At the
beginning, H2 is about 1/4 as high as CO, but towards the end is 2/3 as large
(2% vs 3%). Understanding the origin of such huge numbers may be helped by
understanding why H2 relative growth is worse than CO. Of course understanding
why there is growth of both/either is critical.
I have no ideas on either topic. But these numbers further justify not
trying to consume char in a TLUD.
3. A recent article by Dean Still and others emphasized that charcoal
using stoves perform better with a small starting fuel load. If anyone at
SeTAR is listening, I think this is a very important topic and the list would
benefit a lot from hearing more on the test.
4. The label on the graph says 0% O2. Are there tests with added O2?
Results of that?
5. There are 3 or 4 vertical colored lines roughly 13 minutes apart. The
label might say "Pot". What are these about?
6. You (Crispin) were talking recently about excess air computations
involving CO. I guess that the 2% H2 number is equally important in an energy
sense as the 3% CO. True?
7. Is this a typical run or exceptionally bad? What is being done to
improve these numbers?
Ron
On Sep 6, 2013, at 1:31 PM, Crispin Pemberton-Pigott <[email protected]>
wrote:
> Dear Friends
>
> This is a plot of CO(EF) and H2(EF) for a charcoal stove.
>
> <image001.jpg>
> What do you suppose is the source this hydrogen?
>
> Note for interest that the ratio between H2 and CO is surprisingly constant
> throughout the test. It is not the ratio of the H and C in the fuel (at all).
>
> Regards
> Crispin
>
>
>
>
>
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