[Stoves] Mis-information

lh cheng lhkind at gmail.com
Sun Mar 18 18:02:12 CDT 2018


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>:

> 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.
>
> 2018-03-19 5:32 GMT+08:00 Paul Anderson <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
>>
>> 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
>> Skype:   paultlud    Phone: +1-309-452-7072
>> Website:  www.drtlud.com
>>
>>
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>
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