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A Report on Some Experiments with the Top-Lit Up Draft (TLUD) Stove PowerPoint PPT Presentation


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A Report on Some Experiments with the Top-Lit Up Draft (TLUD) Stove. Dale Andreatta, Ph.D., P.E. The goal was to take an interesting stove design and apply more science than had previously been applied. . Advantage #1. Simple design Non-critical dimensions No fan

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A Report on Some Experiments with the Top-Lit Up Draft (TLUD) Stove

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A report on some experiments with the top lit up draft tlud stove l.jpg

A Report on Some Experiments with the Top-Lit Up Draft (TLUD) Stove

  • Dale Andreatta, Ph.D., P.E.


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The goal was to take an interesting stove design and apply more science than had previously been applied.


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Advantage #1

  • Simple design

  • Non-critical dimensions

  • No fan

  • The “stove” is not a specific design but a collection of ideas that can be made in a number of ways.


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Advantage #2

  • Super clean burning

  • 5 mg Particulate Matter per liter

  • 0.5 g of CO per liter

  • Cleaner than a fan powered stove


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Advantage #3

  • Easy to control

  • Burns for a long time with little or no user intervention (with the right fuel)


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Advantage #4

  • Can be powerful (short time to boil)

  • Can be reasonably efficient

  • Exit temperature is generally 600-800 C


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Disadvantages

  • Fuel-sensitive (a fan would help a lot in this respect)

  • Sensitive to how the fuel is packed


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The Report Contains

  • Detailed description of the stove, its design, construction, and operation.


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The Report Contains

  • Detailed description of tests done with a variety of fuels.


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The Report Contains

  • What happens when primary air is controlled, for a variety of fuels for a variety of flow rates.


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As a function of primary air flow

  • Measure fuel burning rate

  • Measure flame height

  • Calculate air to fuel ratio

  • Calculate equivalence ratio


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The Report Contains

  • A rough chemical analysis of the pyrolysis process.


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The Report Contains

  • A rudimentary mathematical model of the stove.


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