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Thermo-Electric Cook Stove #2

System Level Preliminary Design Review Friday, January 15, 2010 10:30am – 12:00pm. Thermo-Electric Cook Stove #2. Cook Stove Project Design Team. Dept of Mechanical Engineering Christopher Brol (Team Lead) Aaron Dibble Ian Donahue Kevin Molocznik Dept of Industrial Engineering

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Thermo-Electric Cook Stove #2

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  1. System Level Preliminary Design Review Friday, January 15, 2010 10:30am – 12:00pm Thermo-Electric Cook Stove #2

  2. Cook Stove Project Design Team • Dept of Mechanical Engineering • Christopher Brol (Team Lead) • Aaron Dibble • Ian Donahue • Kevin Molocznik • Dept of Industrial Engineering • Neal McKimpson

  3. Cook Stove Project Background • WHO estimates more than 3 billion people rely on biomass fuels • NGO partnership with Haiti Outreach-Pwoje Espwa • Funded by EPA P3 Energy Research Grant • Develop a biomass stove with focus on improved combustion efficiency Image ref: Than, Ker. "Haiti Earthquake, Deforestation Heighten Landslide Risk." National Geographic Daily News. N.p., Jan.-Feb. 2010. Web. 14 Jan. 2010. <http://news.nationalgeographic.com/news/2010/01/100114-haiti-earthquake-landslides/>.

  4. Cook Stove Project Overview • Mission • Develop a stove design that has been optimized in such a way that it will see a significant reduction in fuel consumption and reduction in emissions, in comparison with current stoves • Considerable application of engineering principles in fluid mechanics and heat transfer

  5. Work Breakdown Structure Project Manager Chris Brol Subsystem #2 Combustion Process Kevin Molocznik Subsystem #3 Thermo/Fluids Analysis Ian Donahue Subsystem #1 Structural Design Aaron Dibble Subsystem #4 Sustainability Neal McKimpson

  6. Customer Needs Assessment

  7. Engineering Specifications

  8. Functional Decomposition Cook Food Reduce Thermal Losses Optimize Air Flow Transfer Heat to Pot Hold Pot Store Fuel Burn Fuel Load Fuel Air Hole Placement Convective Losses Conductive Losses Support Weight of Pot Stable to Tipping Efficient Burn Control Combustion Rate Clean Burn Flame Size Intensity of Heat Generated Temperature of Pot Holder Support Weight of Fuel Area Large Enough for Fuel Optimal Air/Fuel Ratio Clean Emissions Heat Flow Materials Used

  9. Stove Shell Fuel Emissions Combustion Ignition Heat Pot Weight Space Constraint Air Flow Heat Air Pot Holder Power/Fan/T.E. (P10462) Pot System Architecture

  10. Risk Assessment

  11. Concept Generation

  12. Vertical Combustion Chamber • Greatly reduces emissions • May burn equally as well as TLUD provided charcoal is only fuel used

  13. Rocket Stove • Insulated chimney creates an up-draft to burn hotter and cleaner • Flame/heat control through addition/removal of fuel

  14. Top-Lit Up-Draft Stove • 2 stage combustion • Gasification-to-Combustion • Fan greatly improves combustion

  15. Side-Mounted Fan TLUD • Uses fan to push air in from the side • Power-supply and fan could be contained within a housing • Requires insulating material

  16. TLUD Rocket Combustor • Uses chimney effect to burn up bad emissions • No fan is needed

  17. Concept Selection

  18. TLUD Rocket Combustor • Uses chimney effect to burn up bad emissions • No fan is needed

  19. Top-Lit Up-Draft Stove • 2 stage combustion • Gasification-to-Combustion • Fan greatly improves combustion

  20. Plan for Moving Forward

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