Table 1 Thermophysical properties of materials used in the computations.
From: Three-dimensional computational fluid dynamics analysis of an electric submerged arc furnace
Properties | Slag | Ferronickel | Electrodes | Firebricks |
|---|---|---|---|---|
Density [kg/m3] | 7.48 × 10−8T3–3.799 × 10−4T2 + 0.25704 T + 3294.203 | 7000 | 1800 | 2300 |
Viscosity [kg/(m s)] | 5 × 1013 T−4.776 | 0.005 | – | – |
Heat capacity [J/(kg K)] | 1700 | 525 | 1800 | 1000 |
Thermal conductivity [W/(m K)] | 1 | 15 | 18 | 1.22 |
Electrical conductivity [S/m] | 5.34 (Τ < Τmelt) 427.32 – 0.866 T + 0.000515 T2 − 7.57E − 8T3 (T > Tmelt) | 1E6−330.83 T | 25,000 | 0.01 |
Solidus temperature [K] | 1420 | 1570 | − | − |
Liquidus temperature [K] | 1450 | 1600 | − | − |
Latent heat [J/kg] | 400,000 | 290,000 | − | − |
