Test result: Augusta
Water boiling test (WBT)
Stove and fuel
Stove
Stove description
1 olla /5 lts
Stove characteristics
Side-feed, Non-traditional, Household, Portable, Rocket
Fuel type
Wood
Fuel description
troncos de eucalipto
Fuel moisture content
10.0%
Fuel net calorific value
18.43 MJ/kg
Test information
Test details
not available
Testing organization
Reporting type
Self reported
Country
Bolivia
Year performed
2016
Test environment
Lab
Altitude
3434 m
Number of replicate tests
3
Source information
Citation
not available
Source data
Test result IWA tiers of performance
Show subtiers
2
Emissions
2
Efficiency
1
Indoor emissions
3
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA high power CO 8.277 g/MJ-del 0.532 0.06
IWA high power PM 352.12 mg/MJ-del 45.469 0.13
IWA low power CO 0.0612 g/min/L 0.008 0.13
IWA low power PM 2.048 mg/min/L 0.937 0.46
IWA efficiency  
Metric Value SD (σ) Cv
IWA high power thermal efficiency 32.87% 0.0081 0.0
IWA low power specific consumption 0.035 MJ/min/L 0.0038 0.11
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.613 g/min 0.0621 0.1
IWA PM 26.168 mg/min 5.247 0.2
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Hot start thermal efficiency 33.79% 0.0134 0.0
Cold start thermal efficiency 31.96% 0.0045 0.0
Simmer thermal efficiency 26.105% 0.016 0.0
Specific fuel consumption cold start 62.974 g/L 1.141 0.02
Specific fuel consumption hot start 59.621 g/L 2.824 0.05
Temp-corrected specific consumption cold start 64.98 g/L 1.992 0.03
Temp-corrected specific consumption hot start 62.05 g/L 1.331 0.02
Temp-corrected specific energy cons cold start 1197.68 kJ/L 36.72 0.03
Temp-corrected specific energy cons hot start 1143.72 kJ/L 24.53 0.02
Burning rate cold start 12.33 g/min 1.094 0.09
Burning rate hot start 12.171 g/min 1.45 0.12
Burning rate simmer 7.86 g/min 0.702 0.09
Specific fuel consumption simmer 87.93 g/L 10.34 0.12
Temp-corrected specific energy cons simmer 1620.59 kJ/L 190.69 0.12
Output
Metric Value SD (σ) Cv
Cold start firepower 3789.32 W 336.248 0.09
Hot start firepower 3738.71 W 446.784 0.12
Simmer firepower 2414.52 W 215.67 0.09
Time to boil cold start 24.94 min 2.092 0.08
Time to boil hot start 23.9 min 2.386 0.1
Temp-corrected time to boil cold start 25.75 min 2.414 0.09
Temp-corrected time to boil hot start 24.92 min 2.429 0.1
Turn down ratio 1.583 0.25 0.16
Safety metrics
Metric Value SD (σ) Cv
Total safety score 88.0 points
Flames or fuel exiting chamber rating 4.0
Flames surrounding cookpot rating 2.0
Chimney shielding rating 4.0
Temperature of operational construction rating 4.0
Heat transmission to surroundings rating 4.0
Surface temperature rating 3.0
Obstructions near cooking surface rating 4.0
Containment of fuel rating 3.0
Cookstove tipping rating 4.0
Sharp edges and points rating 3.0