Test result: Prime Square Fuelwood Regular
Water boiling test (WBT)
Stove and fuel
Stove characteristics
Portable, Batch loaded, Gasifier (TLUD), Non-traditional, Household
Fuel type
Wood
Fuel moisture content
9.6%
Fuel net calorific value
not available
Test information
Test details
not available
Testing organization
Reporting type
Third party
Country
Cambodia
Year performed
2014
Test environment
Lab
Altitude
not available
Number of replicate tests
7
Source information
Citation
not available
Source data
Test result IWA tiers of performance
Show subtiers
2
Emissions
2
Efficiency
2
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA high power CO 4.1 g/MJ-del 1.2 0.29
IWA high power PM 211.0 mg/MJ-del 36.55 0.17
IWA low power CO 0.033 g/min/L 0.01 0.3
IWA low power PM 1.82 mg/min/L 0.96 0.53
IWA efficiency  
Metric Value SD (σ) Cv
IWA high power thermal efficiency 34.1% 1.24 0.04
IWA low power specific consumption 0.031 MJ/min/L 0.003 0.1
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA high power indoor CO 0.239 g/min 0.08 0.33
IWA high power indoor PM 13.3 mg/min 1.84 0.14
Output
Metric Value SD (σ) Cv
Cold start firepower 2814.0 W 281.0 0.1
Time to boil cold start 38.0 min 5.23 0.14
Turn down ratio 1.5 0.24 0.16
Emissions
Metric Value SD (σ) Cv
CO emissions factor (2) 12.49 g/kg fuel 2.714 0.22
PM2.5 emissions factor (2) 0.668 g/kg fuel 0.133 0.2