Kevin, Note that I used the phrase "sufficiently uniform". I have experimented with several forms of loose biomass in no way as uniform as rice hulls, such as coffee husks. Some work quite nicely.
But I would not venture a guess about the wooden spheres you describe. I like to see a certain resistance to air or gas flow. We can't say much until we run tests. Thanks. Paul On Wed, Aug 14, 2013 at 5:04 AM, Kevin <[email protected]> wrote: > ** > Dear Paul > > ----- Original Message ----- > *From:* Paul Olivier <[email protected]> > *To:* Discussion of biomass cooking stoves<[email protected]> > *Sent:* Tuesday, August 13, 2013 6:38 PM > *Subject:* Re: [Stoves] corn cobs and char? > > Ron, > > In a TLUD it's all about the uniformity of air flow. > If corn cobs were cut to the same length, they just might be sufficiently > uniform. > > # I think it is a bit more complex that "unifiorm length." With a given > species of fuel, I think it is more a relation of relative size (that would > determine pressure drop and uniformity of flow across the fuel bed), and > surface area and diameter of the fuel particle. (That will have a large > impact on fuel burning characteristics.) > > For example, consider a TLUD running on wood spheres of say 1/4" daimeter, > and 1" diameter. Such stoves would have quite different operating > characteristics. > > Best wishes, > > Kevin > > > > > Thanks. > > Paul Olivier > > > On Wed, Aug 14, 2013 at 1:54 AM, Ronal W. Larson < > [email protected]> wrote: > >> List: >> >> Anyone have any data on using corn cobs in char-making stoves? The >> supply would seem to be large and likely low cost.. >> >> Ron >> _______________________________________________ >> Stoves mailing list >> >> to Send a Message to the list, use the email address >> [email protected] >> >> to UNSUBSCRIBE or Change your List Settings use the web page >> >> http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org >> >> for more Biomass Cooking Stoves, News and Information see our web site: >> http://stoves.bioenergylists.org/ >> >> > > > -- > Paul A. Olivier PhD > 26/5 Phu Dong Thien Vuong > Dalat > Vietnam > > Louisiana telephone: 1-337-447-4124 (rings Vietnam) > Mobile: 090-694-1573 (in Vietnam) > Skype address: Xpolivier > http://www.esrla.com/ > > ------------------------------ > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://stoves.bioenergylists.org/ > > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://stoves.bioenergylists.org/ > > > -- Paul A. Olivier PhD 26/5 Phu Dong Thien Vuong Dalat Vietnam Louisiana telephone: 1-337-447-4124 (rings Vietnam) Mobile: 090-694-1573 (in Vietnam) Skype address: Xpolivier http://www.esrla.com/
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