AJ, On Dec 26, 2010, at 4:40 AM, [email protected] wrote:
> On Sunday 26 December 2010 01:00:07 Richard Stanley wrote: >> Aj, >> >> It looks like you have now come to the same conclusions of several >> hundred actual users ! > > Ah, I hadn't realised it was a loaded question, still it looks like > conjecture meets practice. >>> Its a good thing when the two can meet, ovrlap and exchange...problem is in >>> getting that exchange part to work both ways,eh ? >> >> Really though for real analysis, Rok Oblak <www.rokstoves.org> > > My browser reports "server not found" > >>> Its www.rokstoves.com sorry... >> >> I agree to that excess air can well quench the fire but what is >> happening in the combustion of the hollow core Bq is a bit different.. >> It is picking up radiated heat from the burning core (at its >> combustion chamber-end) and that has the effect of heating the incoming >> feed air supply. > > This radiative feedback is probably important, there were experiments with > lots of different shaped holes by the early pyrotechnic rocket pioneers > with this hole shape for solid propellants. It's not necessarily only the > air that benefits. > > >> The combustion zone if untended, tends to creep back >> out through the whole briquette. > > Which is what happens with a tlud stove if you think about it, the > difference is the space between the end of the briquette and the > pyrolysis front is kept oxygen free. The question is how uniformly does > the fire creep back in a horizontal feed. >>> Thats one for you Rok ! // Richard _______________________________________________ Stoves mailing list to Send a Message to the list, use the email address Stoves mailing list 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://www.bioenergylists.org/ [email protected] http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org
