Test result: Oorja
Water boiling test (WBT)
Stove and fuel
Stove
Stove characteristics
Fan, Ceramic-lined, Gasifier (TLUD), Non-traditional
Fuel type
Pellets
Fuel description
Crop Residue Pellets, dry
Fuel moisture content
not available
Fuel net calorific value
16.5 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
2
Efficiency
3
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA low power CO 0.07 g/min/L
IWA low power PM 1.21 mg/min/L
IWA high power CO 1.965 g/MJ-del 0.65 0.33
IWA high power PM 74.7 mg/MJ-del 65.0 0.87
IWA efficiency  
Metric Value SD (σ) Cv
IWA low power specific consumption 0.059 MJ/min/L
IWA high power thermal efficiency 34.7% 2.3 0.07
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.219 g/min
IWA PM 4.475 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Fuel consumed 182.0 g/task
Cold start thermal efficiency 32.1% 1.0 0.03
Hot start thermal efficiency 37.2% 3.6 0.1
Output
Metric Value SD (σ) Cv
Cold start firepower 1775.0 W 107.0 0.06
Hot start firepower 2565.0 W 378.0 0.15
Simmer firepower 1417.0 W 172.0 0.12
Mean time to boil 19.2 min 1.8 0.09
Emissions
Metric Value SD (σ) Cv
PM2.5 emissions factor (2) 0.811 g/kg fuel
CO emissions factor (2) 41.0625 g/kg fuel
CH4 emissions factor (2) 1.694275 g/kg fuel
PM2.5 emissions rate 5.29947231 mg/min
CO emissions rate 0.219 g/min