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2010 Heater Fuel Tests at Shawville

Test HK-L16
February 19, 2010

First test of a control pair with cordwood. Matched set of fuel loads. Warm heater.
White birch, 54.2 lb total, incl. 3.75 lbs kindling. 28.3% 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.

Condar Spreadsheet Results
Condar Spreadsheet Results

Condar Spreadsheet (includes detailed fueling data)

Animation, 2 minute intervals.

gas analysis
Flue gas

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 spike, up to 10 minutes, is the kindling burn.
Second spike is on loading the cordwood (bottom ignition from the coal bed).
Large spike followed by a flatline -- this is the first time for this pattern. HK-L17 will be a repeat with a matched load.
PM measurement started at 10 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 27, 2010
This page was created on February 19, 2010