Measured Data
Specific Heat
Experiments for specific heat [J/(kg K)], or heat capacity, were conducted using a heat flow meter on unconditioned and dried samples at 10 °C, 20 °C, 30 °C and 40 °C.
Unconditioned
Temperature (C) | Specific Heat Mean (J/kg-K) | Standard Deviation (J/kg-K) |
---|---|---|
10.0 | 956.0 | 63.0 |
20.0 | 992.0 | 59.0 |
30.0 | 1013.0 | 74.0 |
40.0 | 1007.0 | 66.0 |
Dried
Temperature (C) | Specific Heat Mean (J/kg-K) | Standard Deviation (J/kg-K) |
---|---|---|
10.0 | 956.0 | 25.0 |
20.0 | 983.0 | 22.0 |
30.0 | 1014.0 | 21.0 |
40.0 | 1025.0 | 25.0 |
Thermal Conductivity
Experiments for thermal conductivity [W/(m K)] were conducted using a heat flow meter on unconditioned and dried samples at 15 °C and either 45 °C or 65 °C.
Unconditioned
Temperature (C) | Conductivity Mean (W/m-K) | Standard Deviation (W/m-K) |
---|---|---|
15.0 | 0.072 | 0.009 |
45.0 | 0.082 | 0.010 |
Dried
Temperature (C) | Conductivity Mean (W/m-K) | Standard Deviation (W/m-K) |
---|---|---|
15.0 | 0.069 | 0.003 |
45.0 | 0.079 | 0.003 |
Mass Loss Rate (MLR)
Mass loss rate [kg/s] was measured in cone calorimeter experiments at three heat fluxes: 25 kW/m2, 50 kW/m2, and 75 kW/m2.
Cone Calorimeter: 25 kW/m2
Cone Calorimeter: 50 kW/m2
Cone Calorimeter: 75 kW/m2
Heat Release Rate Per Unit Area (HRRPUA)
Experiments for heat release per unit area [kW/m2] were conducted on samples conditioned at 20°C and 50% relative humidity using a cone calorimeter at three different heat fluxes: 25 kW/m2, 50 kW/m2, and 75 kW/m2.
Cone Calorimeter: 25 kW/m2
Cone Calorimeter: 50 kW/m2
Cone Calorimeter: 75 kW/m2
Carbon Monoxide (CO) Yield
Carbon monoxide yield was measured during cone calorimeter experiments conducted at heat fluxes of 25 kW/m2, 50 kW/m2, and 75 kW/m2.
Incident Heat Flux [kW/m²] | Mean CO Yield [g/g] | CO Yield Std. Dev. [g/g] |
---|---|---|
25 | 0.057 | 0.019 |
50 | 0.05 | 0.002 |
75 | 0.049 | 0.001 |
Specific Heat Release Rate
Experiments for specific heat release rate [W/g], were conducted using a micro-scale combustion calorimeter at a heating rate of 30 K/min.
Derived Data
Soot Yield
Soot yield [g/g] was calculated from smoke obscuration data collected in cone calorimeter experiments conducted at heat fluxes of 25 kW/m2, 50 kW/m2, and 75 kW/m2.
Incident Heat Flux [kW/m²] | Mean Soot Yield [g/g] | Soot Yield Std. Dev. [g/g] |
---|---|---|
25 | 0.137 | 0.012 |
50 | 0.12 | 0.004 |
75 | 0.115 | 0.001 |
Effective Heat of Combustion (Δhc)
Effective heat of combustion [MJ/kg] is calculated from data collected in both micro-scale combustion calorimeter experiments and cone calorimeter experiments.
Micro-scale Combustion Calorimeter
Value | R1 | R2 | R3 | Mean | Std. Dev. |
---|---|---|---|---|---|
Heat of Combustion (MJ/kg) | 15.57 | 14.65 | 14.43 | 14.88 | 0.49 |
Cone Calorimeter
Incident Heat Flux [kW/m²] | Mean Effective Heat of Combustion [MJ/kg] | Effective Heat of Combustion Std. Dev. [MJ/kg] |
---|---|---|
25 | 37.0 | 0.5 |
50 | 36.6 | 0.7 |
75 | 37.3 | 0.7 |
Band Averaged Emissivity
Band averaged emissivity was calculated from reflectance measurements conducted with an integrating sphere and Fourier transform infrared spectrometer.
Source Temperature [K] | Emissivity | Std. Dev. |
---|---|---|
600.0 | 0.970 | 0.001 |
800.0 | 0.970 | 0.001 |
1000.0 | 0.969 | 0.001 |
1200.0 | 0.968 | 0.001 |
1400.0 | 0.967 | 0.001 |
1600.0 | 0.966 | 0.001 |
1800.0 | 0.966 | 0.002 |
2000.0 | 0.966 | 0.002 |