Test result: 100 Liter Institutional Cookstove
Water boiling test (WBT)
Stove and fuel
Stove characteristics
Chimney, Pot skirt, Sunken pot, Rocket, Institutional, Non-traditional
Fuel type
Wood
Fuel description
Douglas Fir
Fuel moisture content
not available
Fuel net calorific value
not available
Test information
Test details
WBT 4.2.2 protocol
Testing organization
Reporting type
Third party
Country
United States
Year performed
2013
Test environment
Lab
Altitude
not available
Number of replicate tests
3
Source information
Citation
not available
Source data
Test result IWA tiers of performance
Show subtiers
3
Emissions
4
Efficiency
4
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA high power CO 1.3 g/MJ-del 0.5 0.38
IWA high power PM 102.0 mg/MJ-del 14.0 0.14
IWA low power CO 0.008 g/min/L 0.001 0.13
IWA low power PM 0.5 mg/min/L 0.1 0.2
IWA efficiency  
Metric Value SD (σ) Cv
IWA high power thermal efficiency 46.7% 2.3 0.05
IWA low power specific consumption 0.009 MJ/min/L 0.002 0.22
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.362 g/min 0.015 0.04
IWA PM 27.2 mg/min 9.2 0.34
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Specific energy consumption 6690.0 kJ/task 909.9 0.14
Fuel consumed 346.0 g/task 47.1 0.14
Hot start thermal efficiency 45.0% 1.0 0.02
Cold start thermal efficiency 48.0% 4.0 0.08
Output
Metric Value SD (σ) Cv
Cold start firepower 8506.0 W 209.1 0.02
Hot start firepower 9328.0 W 1032.1 0.11
Simmer firepower 6441.0 W 1716.6 0.27