Test result: StoveTec Charcoal Prototype
Water boiling test (WBT)
Stove and fuel
Stove description
StoveTec Charcoal, charcoal fuel (Dry), StoveTec "Superpot"
Stove characteristics
Ceramic-lined, Pot skirt, Non-traditional
Fuel type
Charcoal
Fuel description
Charcoal, dry
Fuel moisture content
0.061%
Fuel net calorific value
28.2 MJ/kg
Test information
Test details
WBT 4.1.2, 5 Liters of water
Testing organization
Reporting type
Third party
Country
United States
Year performed
2012
Test environment
Lab
Altitude
not available
Number of replicate tests
3
Test result IWA tiers of performance
Show subtiers
1
Emissions
3
Efficiency
0
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA low power CO 0.091 g/min/L
IWA low power PM 1.323 mg/min/L
IWA high power CO 15.65 g/MJ-del 2.8 0.18
IWA high power PM 502.0 mg/MJ-del 50.0 0.1
IWA efficiency  
Metric Value SD (σ) Cv
IWA low power specific consumption 0.014 MJ/min/L
IWA high power thermal efficiency 36.1% 2.25 0.06
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.796 g/min
IWA PM 16.475 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Fuel consumed 53.0 g/task
Cold start thermal efficiency 37.9% 3.5 0.09
Hot start thermal efficiency 34.3% 1.0 0.03
Output
Metric Value SD (σ) Cv
Cold start firepower 2603.0 W 329.0 0.13
Hot start firepower 3999.0 W 169.0 0.04
Simmer firepower 1009.0 W 66.0 0.07
Mean time to boil 27.5 min 2.0 0.07
Emissions
Metric Value SD (σ) Cv
PM2.5 emissions factor (2) 3.46 g/kg fuel
CO emissions factor (2) 185.225 g/kg fuel
CH4 emissions factor (2) 5.0145 g/kg fuel
PM2.5 emissions rate 15.84368028 mg/min
CO emissions rate 0.796 g/min