> Thanks for linking us to the report from Georgia Institute of Technology. Dated April 2011. So most of those students are probably graduated by now. I think Marc Pare might have known those students and Professor Colton.
I don't know the students personally, but I am in contact with Dr. Colton. I participated in the same studio a year before. Happy to make an introduction if anyone would like to know more. Best, Marc Paré B.S. Mechanical Engineering Georgia Institute of Technology | Université de Technologie de Compiègne my cv, etc. | http://notwandering.com On Sun, Sep 30, 2012 at 9:39 AM, Paul Anderson <[email protected]> wrote: > Crispin and all, (Christa might want to use these diagrams in the > revision of the Micro-Gasification Manual) > > Thanks for linking us to the report from Georgia Institute of > Technology. Dated April 2011. So most of those students are probably > graduated by now. I think Marc Pare might have known those students and > Professor Colton. > > I really like the graphics that show the differences in the devices for > producing biochar. See pages 6, 9, 10, and especially pages 51 and 52 > (pages of the digital document, not the numbers printed on the sheets in > the report). The "Story Board" is very well done for understanding what > is happening in each of the 3 variations shown!!! > > Some notes: > 1. Page 51 story board shows the method that Peter Hurst used in his > video. The story board well illustrates why this method does NOT work > very well. That is: TLUD heat starts at the top, which is not the right > place when you are trying to heat a retort. > > 2. Page 52 shows the John Rogers design of a TLUD in a barrel. > > 3. The students eventually did a retort with a fire at the bottom see > page 10. > > 4. Analysis: The students watched two YouTube videos, one by Peter Hurst > and one by John Rogers. Fine. But there is no indication in the report > or in the References of any examination of what preceded and influenced the > work of Hurst and Rogers. Result was that they appear to have missed some > crucial components. Specifically there seems to be no use of the > "concentrator disk" in the TLUD experimental unit, a crucial component > devised separately by Wendelbo and Anderson. The Rogers unit functions but > is not optimal. > > 5. Now that the report is getting some wider circulation, I hope that > those who read it will not take it as gospel. Users and experimenters > should search the literature about the smaller TLUDs and about biochar > barrels etc. that several of us have presented in earlier years and have > been presenting recently at conferences such as ETHOS-2012 in > Kirkland/Seattle and the USBI-2012 in Sonoma. > > Anderson ETHOS-2012 presentation: Barrel-size Micro-gasification for > Combined Heat and Biochar (CHAB) in “Mini” Industries can be > found at: > > > http://www.vrac.iastate.edu/ethos/files/ethos2012/SunAM/Anderson_Microgasification%20for%20combined%20heat%20and%20biochar%20in%20Mini%20Industries.pdf > > A video of my USBI presentation is available at: > > http://2012.biochar.us.com/profile/80/paul-s-anderson > > > Personally, I like the bottomless-biochar-barrel for many situations and > for its ease of construction. One was prepared and used twice at the > recent First Biochar Summer School, in Potsdam, Germany. > > A LOT OF WORK STILL NEEDS TO BE DONE ABOUT BARREL-SIZE TLUDS AND BIOCHAR > PRODUCTION. > > Paul > > Paul S. Anderson, PhD aka "Dr TLUD" > Email: [email protected] Skype: paultlud Phone: +1-309-452-7072 > Website: www.drtlud.com > > On 9/29/2012 6:03 PM, Crispin Pemberton-Pigott wrote: > > Dear Friends**** > > ** ** > > *ACREST MOBILE CHARCOAL KILN***** > > http://www-old.me.gatech.edu/jonathan.colton/detm/kilnfinalreport.pdf**** > > ** ** > > Regards**** > > Crispin**** > > ** ** > > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web > pagehttp://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/ > > >
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