Test result: Jiko, Ceramic
Water boiling test (WBT)
Stove and fuel
Stove description
Jiko Ceramic, charcoal fuel (Dry)
Stove characteristics
Ceramic-lined, Non-traditional
Fuel type
Charcoal
Fuel description
Charcoal, dry
Fuel moisture content
0.051%
Fuel net calorific value
28.2 MJ/kg
Test information
Test details
WBT 4.1.2, 2 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
0
Emissions
1
Efficiency
0
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA low power CO 0.125 g/min/L
IWA low power PM 0.93 mg/min/L
IWA high power CO 38.45 g/MJ-del 5.2 0.14
IWA high power PM 615.0 mg/MJ-del 270.0 0.44
IWA efficiency  
Metric Value SD (σ) Cv
IWA low power specific consumption 0.046 MJ/min/L
IWA high power thermal efficiency 25.3% 1.05 0.04
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 1.153 g/min
IWA PM 13.617 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Fuel consumed 126.0 g/task
Cold start thermal efficiency 13.9% 0.1 0.01
Hot start thermal efficiency 36.6% 2.0 0.05
Output
Metric Value SD (σ) Cv
Cold start firepower 3400.0 W 60.0 0.02
Hot start firepower 3299.0 W 187.0 0.06
Simmer firepower 1148.0 W 43.0 0.04
Mean time to boil 20.7 min 1.55 0.07
Emissions
Metric Value SD (σ) Cv
PM2.5 emissions factor (2) 2.5225 g/kg fuel
CO emissions factor (2) 246.225 g/kg fuel
CH4 emissions factor (2) 3.89985 g/kg fuel
PM2.5 emissions rate 12.05327452 mg/min
CO emissions rate 1.153 g/min