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2014 Heater Fuel Tests at Shawville

Test HK-M14
February 6, 2014

White birch 3.5"x3.5" crib,
35.2 lbs including 3.75 lbs kindling
15.6% moisure
ASTM spec for crib stacking
Stack temperature corrected for height.

Pisla HTT 602 door, 22" wide
Custom air frame, setup "C"
Rear grate reduced 50%,

Repeat of run HK-M12, different species, plus additional data on 95% oxygen recovery as the "end of test".

Condar Spreadsheet Results
Condar Spreadsheet Results

Condar results with the test run to 95% oxygen recovery is identical, as 95% recovery happenned at 120 minutes
(20.0% O2)

Condar Spreadsheet (includes detailed fueling data)

Animation,  5 minute intervals. Note the very smokey start upon lighting the kindling.

Video of burn at 12 minutes. Slow motion, shot at 240 frames per second.

gas analysis
Flue gas
- from lighting kindling underneath crib. Note the big CO spike at ignition, compare with opacity, below.

TESTO Excel data file

Testo graph
Testo gas graph, entire cyle

Opacity graph. Very dirty start, visible in the time lapse sequence above.

Condar filter loaded up and required an additional filter, very unusual.

Detail of thick soot deposits from the bottom ignition. Filter had a slight organic smell.

fuel load
Fuel load.

fuel load
Kindling is 3.75 lbs of split poplar at 15.5% moisture. 
Stacked load with kindling underneath.

Burn sequence.

This page was updated on February 7, 2014
This page was created on February 7, 2014