Toyo

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Toyo

  1. 1. Energy Research Project Trends in fuel consumption and heating homes in Sitka, Alaska Kate Coseo ED 630 - October 2007
  2. 2. The Questions <ul><li>How much is energy is consumed heating my living space using a Toyostove L-56 stove? </li></ul><ul><li>How can I heat the space more efficiently? </li></ul>
  3. 3. Why ask such questions? <ul><li>Fuel costs are on the rise </li></ul><ul><li>80% of Sitka residents use kerosene (No. 1 fuel oil) to heat homes. </li></ul><ul><li> http://www.city-data.com/housing/houses-Sitka-Alaska.html </li></ul>
  4. 4. Background Information <ul><li>The toyostove L-56 uses No.1 fuel oil </li></ul><ul><li>The L-56 model is 92% efficient </li></ul><ul><li>There are three burn modes which produce: </li></ul><ul><ul><li>High - 22,000BTU/hr </li></ul></ul><ul><ul><li>Med - 15,000 BTU/hr </li></ul></ul><ul><ul><li>Low - 8,000BTu/hr </li></ul></ul><ul><li>Current cost of fuel/gallon is $3.322 in Sitka, Alaska </li></ul>www.toyotomiusa.com
  5. 5. Methodology <ul><li>The ToyoStove L-56 was monitored for 14 days. </li></ul><ul><li>Burn rates and amount of time burning were documented. </li></ul><ul><li>The L-56 is the only source of heat in the house. </li></ul><ul><li>The house was heated to a maximum of 70°F </li></ul>
  6. 6. Data Collection: Step 1 The following table was continued for the entire 14 day study:
  7. 7. Data Collection: Step 2 The data was then compiled in the following table :
  8. 8. Errors and Assumptions <ul><li>In order to preserve my sanity, I would check the stove every ~30 minutes to observe at which rate the stove was burning. </li></ul><ul><li>It is possible that the times I calculated at certain burn rates are not exact, however, the results still give a solid prediction. </li></ul><ul><li>When estimating yearly costs, I assumed I would be heating the house for eight months (Sept - April) </li></ul>
  9. 9. Data Analysis <ul><li>Based on the data generated, I was able to make predictions on future consumption trends. </li></ul><ul><li>The table below represents my current consumption trends. </li></ul>The yearly prediction assumes 8 months of stove use (Sept-April)
  10. 10. What if….? <ul><li>Once a baseline set of data was established, the next step was to evaluate how changing my behaviors could alter fuel consumption. </li></ul><ul><li>Because I was already turning the stove off at night and while I was at work, the challenge was to investigate how else I could decrease fuel consumption without sacrificing comfort. </li></ul><ul><li>The following slide illustrates how fuel consumption might respond if I change my lifestyle. </li></ul>
  11. 11. What if….Fuel Consumption Predictions
  12. 12. Changes in Consumption: Graphical Representation
  13. 13. Conclusions <ul><li>A greater amount of fuel was burned on weekends. </li></ul><ul><li>Manually setting the burn mode on low would reduce fuel consumption. </li></ul><ul><li>Turning the stove off during the night, and while not at home greatly reduces the amount of fuel consumed. </li></ul>
  14. 14. Questions for Further Study <ul><li>What if the home was kept at 68°F instead of 70 °F? </li></ul><ul><li>What if the door closest to the heater was not opened 25+ times/day to let the dogs out?!? </li></ul><ul><li>What if the house was better insulated? </li></ul>

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