[Stoves] Combustion test of Kaliandra Pellet in UB/Prime stove

[IDRIS SHARIFF]

Dear Muhammad

I like your stove how do I get a sample.

Regards

Idris Shariff
On Dec 19, 2015 2:36 AM, "Muhammad Nurhuda" <mnurhuda at ub.ac.id> wrote:

> Dear Prof. Anderson,
>
> Thank a lot for your comments.
> It was some mistakes for explanations of opening width. The opening width
> for small flame was correct, 1 mm. But for moderate intensity and high, it
> should be between 5-10 mm and 10-15 mm, respectively. I got it after
> checking the original video segments.  For  strong intensity, the opening
> was somewhat larger than 2 cm.
> The last segment (strong intensity) is not used, since the flame is simply
> too strong for ordinary cooking.
>
> Accordingly, I will replace the video with the correct one. Please check
> the following link:
>
> https://www.youtube.com/watch?v=Ct6ZDrr4quA&feature=youtu.be
>
> Regards
> M. Nurhuda
>
>
>
> On Fri, Dec 18, 2015 at 11:52 PM, Paul Anderson <psanders at ilstu.edu>
> wrote:
>
>> Dear Prof. Nurhuda,
>>
>> Thank you for posting that video that so clearly shows the variability of
>> TLUD flames, along with measurements of the openings for each intensity on
>> your stove.
>>
>> The lowest (about 1 mm) is truly tiny, and TLUD developers everywhere
>> need to be aware of how extremely small is the opening that will continue a
>> viable TLUD flame.
>>
>> Then small changes in the opening (measured in just a few mm) can produce
>> visibly different results.
>>
>> And fully open (20 mm) is what a TLUD can have if there is essentially no
>> restriction on primary air.
>>
>> What is also shown is that the increase in the secondary air is not
>> proportional to that of the increase in primary air.  The flame keeps
>> getting taller.   Visually, that is noteworthy.   But when a pot is in
>> place, the cleanliness (low emissions) of the different flames will be
>> different.   This is that case in all natural draft (ND) TLUD stoves, as
>> far as I know.
>>
>> This illustrates one of the major advantages of having FA (fan assisted
>> or Force Air) with TLUDs.   In those cases where the proportions remain
>> constant, the fire should become visually more vigorous (turbulent) but the
>> height of the flame should stay quite low.   Perhaps not even 2 -3 cm
>> difference in height between the lowest and the highest flames, but with
>> significant increase of the heat that is sent up to the pot.
>>
>> Expect TLUD stoves to be major topics and numerous presentations at the
>> coming ETHOS meeting on 29 - 31 January in Seattle.   BTW, TODAY is the
>> official last day to send in your abstracts.   (I say "official" because
>> after today the organizers can accept or reject proposals for presentation,
>> and I have not seen any extension of the deadline.)
>>
>> 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 12/18/2015 10:08 AM, Muhammad Nurhuda wrote:
>>
>> Dear Stovers,
>>
>> Please check the following video demonstrating the combustion of
>> different flame intensity.
>>
>> https://www.youtube.com/watch?v=M6TBhzqIGZs&feature=youtu.be
>>
>> Have a nice weekend.
>>
>>
>> Kind regards
>> M. Nurhuda
>>
>>
>>
>>
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