Test result: CookClean CookMate
Water boiling test (WBT)
Stove and fuel
Stove characteristics
Batch loaded, Household, Non-traditional, Portable, Pot skirt
Fuel type
Charcoal
Fuel description
Charcoal produced from cutting of Azadirachta indica (Neem tree, Indian Lilac).
Fuel moisture content
0.00802%
Fuel net calorific value
28.2 MJ/kg
Test information
Test details
These results are for the medium-sized CookMate, following the WBT 4.1.2 protocol. Volume of pot used was 7.5 liters.
Reporting type
Third party
Country
Ghana
Year performed
2012
Test environment
Lab
Altitude
not available
Number of replicate tests
3
Source information
Citation
Obriri, HA., August 2012. Report on Testing of CookMate Charcoal Stoves. Council for Scientific and Industrial Research.
Source data
Test result IWA tiers of performance
Show subtiers
unrated
Emissions
unrated
Efficiency
unrated
Indoor emissions
unrated
Safety
Performance metrics
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Specific energy consumption 13623.0 kJ/task 508.7 0.04
Fuel consumed 483.0 g/task 18.0 0.04
Hot start thermal efficiency 51.0% 11.0 0.22
Cold start thermal efficiency 37.0% 5.0 0.14
Simmer thermal efficiency 54.0% 7.0 0.13
Specific fuel consumption cold start 71.8 g/L 9.8 0.14
Specific fuel consumption hot start 52.1 g/L 13.0 0.25
Temp-corrected specific consumption cold start 76.9 g/L 9.4 0.12
Temp-corrected specific consumption hot start 56.6 g/L 13.8 0.24
Temp-corrected specific energy cons cold start 0.0 kJ/L 0.0 NaN
Temp-corrected specific energy cons hot start 0.0 kJ/L 0.0 NaN
Burning rate cold start 3.6 g/min 0.9 0.25
Burning rate hot start 2.8 g/min 1.0 0.36
Burning rate simmer 2.2 g/min 0.7 0.32
Specific fuel consumption simmer 29.9 g/L 8.2 0.27
Temp-corrected specific energy cons simmer 0.1 kJ/L 0.0 0.0
Output
Metric Value SD (σ) Cv
Cold start firepower 1678.0 W 402.6 0.24
Hot start firepower 1307.0 W 490.5 0.38
Simmer firepower 1141.0 W 303.4 0.27
Time to boil cold start 87.3 min 26.6 0.3
Time to boil hot start 82.3 min 34.4 0.42
Temp-corrected time to boil cold start 93.1 min 25.8 0.28
Temp-corrected time to boil hot start 89.5 min 37.4 0.42
Turn down ratio 1.49 0.3 0.2