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2010 Heater Fuel Tests at Shawville

Test HK-L22
March 6, 2010

White birch, 49.7 lb total, incl. 3.75 lbs kindling. 29.4% 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.

Add-on bell has been extended in height by 5 courses.
Compared to last run:
Smaller load, cooler firebox.
Lower stack temperature, however lower burn rate results in higher oxygen, and slightly less overall efficiency

Condar Spreadsheet Results
Condar Spreadsheet Results

Condar Spreadsheet (includes detailed fueling data)

Animation, 2 minute intervals.

gas analysis
Flue gas
First 3 minutes of kindling are missing.

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

First 12 minutes missing. Main load was loaded at 10 minutes.

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 March 6, 2010
This page was created on March 6, 2010