[Stoves] More about concentrators.

[Norman Baker]

Julien;

I'm not sure I entirely understand where you put the nozzle? Where would
you suggest in my 55 gal. TLUD?

Norm

On Thu, Mar 28, 2019 at 6:58 AM Anderson, Paul <psanders at ilstu.edu> wrote:

> Julien,    (and to the Stoves Listserv, and for posting at my website
> www.drtlud.com/eposts   )
>
>
>
> Interesting.
>
> Are the nozzles with slanted walls (like in a funnel) or with straight
> sides?    What diameters at each end for what sized of TLUD gasifiers?
>
>
>
> Paul
>
>
>
> Doc / Dr TLUD / Paul S. Anderson, PhD
>
> Exec. Dir. of Juntos Energy Solutions NFP
>
> Email:  psanders at ilstu.edu       Skype:   paultlud
>
> Phone:  Office: 309-452-7072    Mobile: 309-531-4434
>
> Website:   www.drtlud.com
>
>
>
> *From:* Julien Winter <winter.julien at gmail.com>
> *Sent:* Thursday, March 28, 2019 8:31 AM
> *To:* Norman Baker <ntbakerphd at gmail.com>
>
> Hi Norm;
>
>
>
> Instead of a concentrator ring, try a nozzle.    A nozzle brings the
> burning gases together without the shape edges of a concentrator ring.
>  The sharp edges could generate soot.  A nozzle has smooth edges.   TLUD
> nozzles are being manufactured, but they are being misused!!   People are
> turning them upside down and using them to load mason jars with food.   So,
> you can find TLUD nozzels on the shelves for food canning supplies in
> hardware stores.
>
>
>
> The reason why I got into the stove burner design business about five
> years ago was because when I used concentrator rings, I got deposits on the
> bottom of pots.
>
>
>
> Cheers,
>
> Julien.
>
>
>
>
>
>
>
> On Thu, Mar 28, 2019 at 1:47 AM Norman Baker <ntbakerphd at gmail.com> wrote:
>
> Paul;
>
> I assume you mean the diameter of the stack or combustor? In prior tests
> with concentrator rings, a whole that has a diameter of 70% of the stack
> seem to be adequate. Lately, I have been going to about an 80%
> diameter.  In one publication I read the stack diameter should be at least
> 60% of the feedstock barrel diameter. Otherwise the time needed for gases
> to exit the combustor became too fast and hence too short for complete
> combustion. Is this your experience? And how about the rest of you chiming
> in on this.
>
>
>
> Norm
>
>
>
> On Wed, Mar 27, 2019 at 8:05 PM Anderson, Paul <psanders at ilstu.edu> wrote:
>
> Norm,
>
>
>
> In general, the diameter of the hole is about half of the diameter.   But
> there might not be any visible (noticeable) impact if reduced or enlarge 10
> to 20% of the size of the  hole.  Trial and error are your best bets to get
> this refined.
>
>
>
> I look forward to hearing of your results.
>
>
>
> Paul
>
>
>
>
>
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