[Stoves] Analysis of a two-stove cooking system

[Paul Anderson]

Crispin,

Initial response:
Typographical errors:    (truly minor, but causes the readers to pause 
to figure out the wording).
Page 2, bottom line:   Should read Stove2.   (not Stove1)
Page 4, item 3.4.1 first line:   Should read  "... efficient than 
Stove1..."   (not "...that Stove1...").

Content:
Good exercise.   Well done.   Helpful for further discussion.  Yes, 
there can be cooking systems with 2 stoves such as you describe.

But there is one issue concerning first paragraph of Item 2.5 (page 2):

The first 2 lines are fine.   But it seems that the final two lines are 
trying to say that fuel efficiency is the same as energy efficiency.   I 
read this at least 6 times.   How about some re-wording to clarify what 
you are saying.

You and I have agreed in the past that fuel efficiency and energy 
efficiency are not the same.   For Stove1 the fuel efficiency is based 
on wood fuel.   Then for Stove2 you switch to have the fuel efficiency 
based on charcoal.   But you are not giving any credit to Stove1 for 
having produced the fuel for Stove2.  And that is where Ron and I and 
others have been disagreeing with you.

We await clarification from you.

Paul

Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
Email:  psanders at ilstu.edu
Skype: paultlud      Phone: +1-309-452-7072
Website:  www.drtlud.com

On 11/28/2015 4:38 AM, Crispin Pemberton-Pigott wrote:
>
> Dear Friends
>
> As a contribution to the discussion on the ways one might rate the 
> performance of a two-stove cooking system in which one stove makes 
> charcoal and another burns it, I have drafted the attached paper for 
> discussion.
>
> I would be pleased to edit or extend it to account for ideas you may 
> have about this topic. Because charcoal making stoves could be used to 
> generate fuel use in the same home or for sale, the question as to how 
> such a system can be rated will inevitably arise.
>
> Please feel free to distribute it as you deem appropriate.
>
> Regards
>
> Crispin
>
> Crispin Pemberton-Pigott
>
> crispin at newdawn.sz <mailto:crispin at newdawn.sz>
>
> Managing Director
>
> New Dawn Engineering
>
> www.newdawnengineering.com <http://www.newdawnengineering.com/>
>
> Matsapha, Swaziland / Waterloo, Canada
>
>
>
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