Small Red Tile Design Brief

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We're designing an improved cook stove for rural Nicaragua. The stove will run on rice husk. The is our design brief after 3 weeks of work.

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Small Red Tile Design Brief

  1. 1. SMALL RED TILE biogasification stove project proposal ME jordan edwards ME isaac lockman ID peter nguyen ME marc paré ID jimmy vo ID tyler wilson by
  2. 2. Providing safe & affordable cooking heat to rural Nicaraguans by SMALL RED TILE
  3. 3. GLOBAL CHALLENGE what kinds of health/societal/environmental issues go along with stoves? one third of the world’s population cook over a open flame open fires produce a lot of smoke approximately 1.4 million people die per year from disease related to indoor air pollution (3 people per second) challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  4. 4. GLOBAL CHALLENGE what kinds of health/societal/environmental issues go along with stoves? time and money spent gathering fuel open fires are one of the biggest sources of greenhouse gas emissions in the world burn danger from exposed flames deforestation from gathering fuel challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  5. 5. GLOBAL CHALLENGE the 8 millennium development goals the Millennium Declaration promotes a comprehensive approach that tackles a broad range of challenges simultaneously. by 2015, the world aims to have achieved eight goals for combating poverty, hunger, disease, illiteracy, environmental degradation and discrimination against women. improved cook stoves address all 8 challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  6. 6. OPPORTUNITY contributing to make cooking safer Amigos for Christ has 160 Nicaraguan families in need of cook stoves in Villa Cantalina challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  7. 7. LOCAL the lifestyle of a typical Nicaraguan family men are often not in the house, women are responsible for all of the cooking as well as childcare in 5-6 person families families are usually very poor ($1/day) and have no access to electricity they currently cook over wood fires, but the wood is running out there is very little access to alternate fuel sources except waste rice husks challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  8. 8. DESIGN INTENT our goal to overcome these challenges Design a stove that runs on rice husk that is safe and culturally accepted challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  9. 9. PATENTS what is already out there challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  10. 10. PRECEDENTS through the eyes of a ME challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  11. 11. PRECEDENTS through the eyes of an ID challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  12. 12. PRECEDENTS using and operating the stoves OPEN LOAD POWER LIGHT CLOSE IGNITE COOK REOPEN DUMP DOUSE challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  13. 13. PRECEDENTS using and operating the stoves LOAD LIGHT COOK TAP JIGGLE CLEAR DOUSE challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  14. 14. PROBLEMS not everthing is perfect BATCH CONTINUOUS this design requires this design needs a constant tapping to battery to operate. produce an even flame most people in throughout the cook nicaragua cannot time. the flame is also afford batteries relatively unstable approximately constant refilling is every 30 minutes, required approximately the flame goes every 5 minutes to out. therefore the keep an even flame. batch needs to be the char also needs to dumped every 30 be removed during this minutes time span challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  15. 15. APPROACH how we’re going to overcome this overall challenge Cooking Produce Provide Control Over Encourage Safety for Support Be Heat Cooking Process End User Cookware Maintainable Convert Provide Cleanable Rice Husk Fuel Protection to Biogas from Heat Fixable Combust Provide Load/Unload Biogas Stability Fuel Functions Constraints Lower Emissions Provide Su cient Be Easy to Priced for Market Consistent to Safe Levels Cooking Surface Operate Appropriate Heat Materials Starting/ Appropriate Stopping Manufacturing Techniques challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  16. 16. APPROACH our preliminary specifications low cost clean, controlled flame fits into the culture/environment challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  17. 17. CONCLUSION what we’re reaching for This product aims to provide safe & affordable cooking heat to rural Nicaraguans challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE
  18. 18. CONCLUSION what we have done so far challenge opportunity local intent patents precedents problems approach conclusion by SMALL RED TILE

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