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. 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
A Report on Some Experiments with the Top-Lit Up Draft (TLUD) Stove
  • Dale Andreatta, Ph.D., P.E.
slide2

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

advantage 1
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.
advantage 2
Advantage #2
  • Super clean burning
  • 5 mg Particulate Matter per liter
  • 0.5 g of CO per liter
  • Cleaner than a fan powered stove
advantage 3
Advantage #3
  • Easy to control
  • Burns for a long time with little or no user intervention (with the right fuel)
advantage 4
Advantage #4
  • Can be powerful (short time to boil)
  • Can be reasonably efficient
  • Exit temperature is generally 600-800 C
disadvantages
Disadvantages
  • Fuel-sensitive (a fan would help a lot in this respect)
  • Sensitive to how the fuel is packed
the report contains
The Report Contains
  • Detailed description of the stove, its design, construction, and operation.
the report contains11
The Report Contains
  • Detailed description of tests done with a variety of fuels.
the report contains12
The Report Contains
  • What happens when primary air is controlled, for a variety of fuels for a variety of flow rates.
as a function of primary air flow
As a function of primary air flow
  • Measure fuel burning rate
  • Measure flame height
  • Calculate air to fuel ratio
  • Calculate equivalence ratio
the report contains15
The Report Contains
  • A rough chemical analysis of the pyrolysis process.
the report contains16
The Report Contains
  • A rudimentary mathematical model of the stove.
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