Test result: Kenyan Ceramic Jiko
Water boiling test (WBT)
Stove and fuel
Stove description
KCJ Standard, charcoal fuel (Dry)
Stove characteristics
Ceramic-lined, Non-traditional
Fuel type
Charcoal
Fuel description
Charcoal, dry
Fuel moisture content
0.043%
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
0
Emissions
2
Efficiency
0
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA low power CO 0.081 g/min/L
IWA low power PM 0.387 mg/min/L
IWA high power CO 30.0 g/MJ-del 11.5 0.38
IWA high power PM 298.5 mg/MJ-del 40.0 0.13
IWA efficiency  
Metric Value SD (σ) Cv
IWA low power specific consumption 0.014 MJ/min/L
IWA high power thermal efficiency 32.3% 5.2 0.16
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 1.259 g/min
IWA PM 10.133 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Fuel consumed 65.0 g/task
Cold start thermal efficiency 23.2% 2.2 0.09
Hot start thermal efficiency 41.4% 8.2 0.2
Output
Metric Value SD (σ) Cv
Cold start firepower 3859.0 W 547.0 0.14
Hot start firepower 3595.0 W 617.0 0.17
Simmer firepower 975.0 W 58.0 0.06
Mean time to boil 30.5 min 1.85 0.06
Emissions
Metric Value SD (σ) Cv
PM2.5 emissions factor (2) 1.6385 g/kg fuel
CO emissions factor (2) 230.45 g/kg fuel
CH4 emissions factor (2) 6.1765 g/kg fuel
PM2.5 emissions rate 8.184724422 mg/min
CO emissions rate 1.259 g/min