Test result: Shengzhou Charcoal Stove
Water boiling test (WBT)
Stove and fuel
Stove characteristics
Non-traditional, Household, Portable, Batch loaded, Prototype
Fuel type
Charcoal
Fuel description
Royal Oak Brand Natural Hardwood Lump Charcoal
Fuel moisture content
not available
Fuel net calorific value
31.3 MJ/kg
Test information
Test details
WBT 4.2.3
Testing organization
Reporting type
Third party
Country
United States
Year performed
2013
Test environment
Lab
Altitude
196 m
Number of replicate tests
3
Source information
Citation
not available
Source data
private
Test result IWA tiers of performance
Show subtiers
4
Emissions
4
Efficiency
4
Indoor emissions
unrated
Safety
Performance metrics
IWA emissions  
Metric Value SD (σ) Cv
IWA high power CO 6.35 g/MJ-del 1.21 0.19
IWA high power PM 28.18 mg/MJ-del 15.27 0.54
IWA low power CO 0.0079 g/min/L 0.0009 0.11
IWA low power PM 0.0102 mg/min/L 0.0006 0.06
IWA efficiency  
Metric Value SD (σ) Cv
IWA high power thermal efficiency 46.99% 1.95 0.04
IWA low power specific consumption 0.00193 MJ/min/L 0.00019 0.1
IWA indoor emissions  
Metric Value SD (σ) Cv
IWA CO 0.407 g/min 0.103 0.25
IWA PM 1.797 mg/min 1.037 0.58
Efficiency, energy consumption and fuel use
Metric Value SD (σ) Cv
Cold start thermal efficiency 46.99% 1.95 0.04
Simmer thermal efficiency 23.4% 0.054 0.0
Specific fuel consumption cold start 25.62 g/L 0.84 0.03
Temp-corrected specific consumption cold start 22.19 g/L 0.55 0.02
Temp-corrected specific energy cons cold start 694.65 kJ/L 17.23 0.02
Burning rate cold start 4.34 g/min 0.597 0.14
Burning rate simmer 0.548 g/min 0.055 0.1
Output
Metric Value SD (σ) Cv
Cold start firepower 2266.0 W 312.0 0.14
Simmer firepower 286.0 W 29.0 0.1
Time to boil cold start 53.5 min 6.285 0.12
Temp-corrected time to boil cold start 46.39 min 5.93 0.13
Turn down ratio 8.06 0.43 0.05