Table 2
Parameters of the long-distance natural gas pipeline.
Pipeline parameter | Value |
---|---|
Size (mm) | Φ = 1016 × 17.5 |
Transportation capacity (Nm3/a) | 120 × 108 |
Pipeline length (km) | 183.5 |
Buried depth (m) | 1.5 |
Pipeline roughness (μm) | 15 |
Temperature of the gas source (°C) | 34 |
Maximum soil temperature at the buried depth (°C) | 25.2 |
Minimum soil temperature at the buried depth (°C) | 8.4 |
Annual average soil temperature at the buried depth (°C) | 15.0 |