Table 1
Material properties of the solid engine components.
| Component | Material | Tmelt (K) | ρ (kg/m3) | Cp (J/kg-K) | k (W/m-K) |
|---|---|---|---|---|---|
| Cylinder liner, piston window | Quartz | 1873.15 | 2203 | 703 | 1.38 |
| Piston crown | Steel 4340 | 1700.15 | 7850 | 475 | 44.5 |
| Cylinder head | Steel 1020 | 1788.71 | 7870 | 486 | 51.9 |
| Valves | Steel 21-4N | 1788.71 | 7700 | 500 | 14.5 |
| Spark plug insulation | Al2O3 | 2345 | 3965 | 730 | 35 |
| Spark plug ground strap | NiCr8020 | 1698.15 | 8300 | 450 | 13 |
| Spark plug casing | Carbon steel | 1700 | 7830 | 434 | 63.9 |
| Spark plug core electrode | Copper | 1700 | 8930 | 385 | 401 |
| Valve seat | Valve seat material | 1800 | 7600 | 471 | 42 |