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2010 Heater Fuel Crib Tests at Shawville

Test HK-L18
February 21, 2010

Fuel load similar to HK-L16 and L17. Warm heater.
White birch, 51.6 lb total, incl. 3.75 lbs kindling. 31.7% moisture.
North-South loading. Largest pieces first. Loaded onto a coal bed (Colorado method)
Efficiency is calculated at 95% oxygen recovery (Colorado method).
Stack temperature corrected for height.

Modified bell from HK-L17.

Condar Spreadsheet Results
Condar Spreadsheet Results

Condar Spreadsheet (includes detailed fueling data)

Animation, 2 minute intervals.

gas analysis
Flue gas
Compared to last run, bigger CO spike at the beginning, and long stretch of very low CO

Testo graph
Graph from Testo analyzer. 30 second sampling intervals.
The green line tracks the CO/CO2 ratio.

TESTO Excel data file
Raw data file

The tallest spike is when the main fuel load went in (bottom ignition from the coal bed).
PM measurement started at 8 minutes, and does not include the kindling burn.

fuel load
Fuel load.
Stacking is North-South, with largest pieces on bottom, onto a coal bed.
fuel load
Fuel load. Pieces are ordered smallest to largest, left to right. Stacking was from right to left (largest pieces on the bottom).

burn sequence
Burn sequence.

This page was updated on February 21, 2010
This page was created on February 21, 2010