Hi Rogerio, The IAP meter hood is being developed and tested. Email Sanya and she can keep you informed. I think it will cost less than $4,000 and be useful for improving stoves but not for comparison of different stoves.
[email protected] Best, Dean On Fri, Aug 2, 2013 at 3:39 AM, Rogerio carneiro de miranda < [email protected]> wrote: > Thanks Dean and Ron for the good reporting from this Stove Summer camp > > Dean please provide more details and cost of the IAP in a box system, > which seems very interesting and affordable.... > > Regards > > Rogerio > > > 2013/8/2 Dean Still <[email protected]> > >> >> >> >> [image: ARC_Logo] >> >> *Aprovecho Summer Newsletter* >> >> August 1, 2013 >> >> *Summer Stove Camp comes to a close* >> >> [image: Sidwell_StoveCamp][image: Sidwell_StoveCamp]Sometimes Stove Camp >> goes so well and summer 2013 was one of those occasions. Many folks camped >> out and cooked delicious meals for everyone. Large projects, like a couple >> of bread ovens, were made and used. Manufacturers spent long, long hours >> testing and improving their products. Everyone worked hard and made huge >> progress throughout the week, especially the two prize winners. >> >> There were two challenges for the week. One was sent to us by Jordan >> Kowalke who is working for Total Land Care in Malawi. He is designing a >> TLUD that will be used to burn wood chips for which he requested the >> assistance of Stove Camp participants. Jordan sent a list of specifications >> that the winning TLUD design must reach. This prize was awarded to Mick >> Black and Jeffrey Santiago who tweaked Paul Anderson's Quad 3 stove until >> it cleanly burned the wood chips and lasted long enough to make *posho*, >> a typical meal in Malawi. >> >> [image: Dona_Dora]The other prize was for any stove that met the Tier >> rating of 2-3-3-3-3 (Thermal Efficiency, High & Low power PM, and High and >> Low power CO). Many stoves met this criteria so participants were allowed >> to vote for their favorite. The prize was awarded to David Evitt with his >> Guatemalan Doña Dora stove which he toiled to improve all week. >> >> During camp there was a ‘shotgun’ approach of many individual tests done >> by many operators. For this we had three testing locations set-up. The two >> Laboratory Emissions Monitoring Systems (LEMS) in the lab and a new >> configuration we are calling “IAP-in-a-Box”, which is a test kitchen with a >> basic hood and collection chamber that holds the Indoor Air Pollution Meter >> (IAPM). This system was set up with the idea that testers can watch the >> live output from the meter and gauge their design’s progress without having >> to do a full test with the more complicated LEMS equipment. The >> “IAP-in-a-Box” is being documented for those who wish to test total stove >> emissions using the small, portable, IAP Meter. Please contact us if you >> are interested in getting a system. >> >> [image: Dr_TLUD_Graph]Last summer people did many tests on charcoal >> stoves and it was obvious looking at the results that although charcoal >> stoves emitted a lot of CO they were almost all very low for PM. This year >> we created a large graphic representation of all the tests on the wall and >> added to it everyday. The conclusion was that TLUDs generally produce lower >> amounts of PM than Rocket stoves but there seemed to be two classes of >> TLUDS: really clean ones and only moderately clean ones. Both Rockets and >> TLUDs were improved by paying greater attention to heat transfer. Even >> though getting excellent heat transfer is well described and doesn’t have >> to cost more it is amazing that getting more heat into the pot is so >> frequently ignored. As Dr. Winiarski and Dr. Baldwin point out, optimized >> heat transfer is a vitally import element in a good stove. >> >> [image: StoveCampFood]The progress with the TLUDs was impressive. >> Several of the stoves worked well with different fuels and had adequate >> turn down ratio. Paul Anderson helped everyone to understand TLUD mechanics >> and air control. He was joined by Ron Larson, Art Donnelly, and others who >> are evolving the TLUD approach. >> >> There is so much work that any motivated person could do, solving >> problems of the poor and moving humanity towards a more fulfilling and >> elegant future. Dean joked that even a monkey could follow the iterative >> design method and would eventually come up with innovative solutions to >> issues such as food drying, desalinization, solar heating, and stoves. All >> it takes is making a change or two per day in the prototype and seeing if >> it performs better or worse. That’s what we do here at Aprovecho and we >> hope that it catches on. >> >> Sincerely, >> >> The Aprovecho Team >> >> Photos by Simon Anderson and Sanya Detweiler. Aprovecho Research >> Center is a lab based in Cottage Grove, OR--visit the main >> website<http://aprovecho.org/lab/index.php>for more information. Please email >> [email protected] regarding subscription to these updates. >> >> >> _______________________________________________ >> 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/ > > >
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