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
Oorja biomass pellets, wet
Fuel moisture content
0.137%
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
unrated
Emissions
unrated
Efficiency
unrated
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA low power CO 0.024 g/min/L
IWA low power PM 2.56 mg/min/L
IWA high power CO 1.884 g/MJ-del 0.25 0.13
IWA high power PM 224.5 mg/MJ-del 120.0 0.53
IWA efficiency  
Metric Value SD (σ) Cv
IWA low power specific consumption 0.071 MJ/min/L
IWA high power thermal efficiency 31.3% 10.1 0.32
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.092 g/min
IWA PM 10.125 mg/min
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Fuel consumed 227.0 g/task
Cold start thermal efficiency 30.1% 7.4 0.25
Hot start thermal efficiency 32.5% 12.8 0.39
Output
Metric Value SD (σ) Cv
Cold start firepower 1689.0 W 367.0 0.22
Hot start firepower 2320.0 W 1050.0 0.45
Simmer firepower 1566.0 W 78.0 0.05
Mean time to boil 26.8 min 4.7 0.18
Emissions
Metric Value SD (σ) Cv
PM2.5 emissions factor (2) 2.2875 g/kg fuel
CO emissions factor (2) 15.82325 g/kg fuel
CH4 emissions factor (2) 3.07575 g/kg fuel
PM2.5 emissions rate 14.87889012 mg/min
CO emissions rate 0.092 g/min