Open Access

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

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