Table 1 Thermo-physical properties of materials used in design calculations of EAHE
| Material | Density | Specific heat capacity | Thermal conductivity | Dynamic viscosity |
|---|---|---|---|---|
| (kg/m3) | (J/kg-K) | (W/m-K) | (kg/m-s) | |
| Air at 16.7 °C | 1.2185 | 1006 | 0.0253 | 1.804E-05 |
| PVC | 1380 | 900 | 0.16 | – |
| Soil | 2058 | 1843 | 0.54 | – |