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 small-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
not available
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
Burning rate cold start 3.3 g/min 0.9 0.27
Cold start thermal efficiency 43.0% 10.0 0.23
Specific fuel consumption cold start 42.6 g/L 17.6 0.41
Temp-corrected specific consumption cold start 45.8 g/L 18.7 0.41
Temp-corrected specific energy cons cold start 0.0 kJ/L 0.0 NaN
Burning rate hot start 2.8 g/min 0.1 0.04
Hot start thermal efficiency 50.0% 1.0 0.02
Specific fuel consumption hot start 35.9 g/L 2.5 0.07
Temp-corrected specific consumption hot start 39.1 g/L 2.9 0.07
Temp-corrected specific energy cons hot start 0.0 kJ/L 0.0 NaN
Burning rate simmer 3.2 g/min 0.7 0.22
Simmer thermal efficiency 34.0% 10.0 0.29
Specific fuel consumption simmer 23.8 g/L 12.6 0.53
Temp-corrected specific energy cons simmer 0.1 kJ/L 0.0 0.0
Fuel consumed 331.0 g/task 11.0 0.03
Specific energy consumption 9338.0 kJ/task 311.4 0.03
Output
Metric Value SD (σ) Cv
Time to boil cold start 58.0 min 5.2 0.09
Temp-corrected time to boil cold start 62.4 min 5.3 0.08
Cold start firepower 1545.0 W 410.8 0.27
Time to boil hot start 58.3 min 2.9 0.05
Temp-corrected time to boil hot start 63.4 min 3.3 0.05
Hot start firepower 1314.0 W 23.7 0.02
Simmer firepower 1112.0 W 620.4 0.56
Turn down ratio 2.05 1.9 0.93