[Stoves] Mis-information

[Paul Anderson]

Stovers,

Extremely interesting videos (TWO of them)   See below, parts A and B.:

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

Part A:

On 3/18/2018 6:02 PM, lh cheng wrote:
> Sorry guys, I find the video: 
> https://www.youtube.com/watch?v=wzN-cYR84_Y ,the date is later than 
> the video in Dr. Anderson's message.
>
> 2018-03-19 6:52 GMT+08:00 lh cheng <lhkind at gmail.com 
> <mailto:lhkind at gmail.com>>:
>
>     This guy might be misled by another guy. that another guy in a
>     video (sorry I can't remember the address), make a  glass TLUD
>     stove, and showed that the smoke (gas) move out from primary air
>     hole into the layer between inner and out cylinder, then upward
>     and then re-enter the inner cylinder. that help him to explain why
>     the flame jet out from the secondary air holes.
>
>     His experiment did show some smoke move this way somehow. but it
>     is not the mainstream.
>
Comment by PSA:   Impressive.   Very much a demonstration that raises 
questions.  Downward flows.   But mot totally downward (unknown 
percentage, to be studied)..

And then at the end, there is a "click here" box to go to further work.

Part B.

That box takes you to

https://www.youtube.com/watch?annotation_id=annotation_1962734105&feature=iv&src_vid=wzN-cYR84_Y&v=b0vM9aD78XY

Same fellow.   and showing clearly UPdraft.   Side by side comparisons.  
Well worth watching.

That is dated 2015.  I hope that somebody will delve into this 
further.   There is still a great deal of TLUD science to be researched.

This all is (in my opinion) support for thinking the micro-gasifier 
stoves (ACS for Advanced Cookstoves) will continue to get better and 
better, further distancing them out ahead of the stick-burner ICS 
(Improved or Inadequate Cookstoves).

Paul

>     2018-03-19 5:32 GMT+08:00 Paul Anderson <psanders at ilstu.edu
>     <mailto:psanders at ilstu.edu>>:
>
>         Stovers,
>
>         I stumbled onto this video by accident.   He is instructing
>         (64,000 views) that the air in the fuel chamber of a woodgas
>         stove (same drawings as for a TLUD) are moving DOWNWARD.
>
>         https://www.youtube.com/watch?v=FepZPaxgB3o
>         <https://www.youtube.com/watch?v=FepZPaxgB3o>
>
>         Totally bogus.
>
>         I would not even mention it to the Stoves Listserv except to
>         express my disgust and to point how what is creeping into
>         information flows about stoves.
>
>         Might be a nice challenge for students to try to PROVE the
>         direction of the air flows in TLUD stoves.   Such as an
>         increase in temperature in the bottom few cm of the fuel if
>         the hot gases were pulled downward.    Of detecting
>         combustible gases in the gap between the fuel cylinder and the
>         outer cylinder.
>
>         Paul
>
>         -- 
>         Doc  /  Dr TLUD  /  Prof. Paul S. Anderson, PhD
>         Email: psanders at ilstu.edu <mailto:psanders at ilstu.edu>
>         Skype:   paultlud    Phone: +1-309-452-7072
>         <tel:%2B1-309-452-7072>
>         Website: www.drtlud.com <http://www.drtlud.com>
>
>
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