Entries by Sam Bentson

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Watch Integrated Stove Video

Integrated stove for heating, cooking, electricity Watch a video of the downdraft rocket stove that ASAT Inc. will show in Washington D.C. at the Alliance for Green Heat/DOE sponsored Wood Stove Design Challenge from Nov 9 to 13. ASAT gratefully acknowledges support from the US Environmental Protection Agency under EPA SBIR contract number EPD18009. See […]

Smoke Distributions in a Test Kitchen

ARC has built and used two Test Kitchens and now, has by far the best one, built by Andy McClean and the three summer interns. We are looking at the distribution of smoke and the effect of opening doors and windows. Past tests with the early test kitchens showed that smoke stratified by height with […]

Patterns for Combustion Chambers

If wood gas passes into flame, it can ignite and less un-combusted smoke escapes. Which of the following patterns has the greatest potential for clean burning? Maybe “the devil is in the details”? The pattern that Dr. Winiarski often tries is downdraft/down feed. The wood is burned at the bottom of a vertical stick that […]

Testing in the laboratory and in the field

Testing in the laboratory and in the field It is important to remember that in the Aprovecho lab, the 3 Stone Fire has used less wood and made less pollution than cooking fires and high mass stoves operated by cooks in the field. The fires in the lab tests were carefully made using dry and […]