Table 1 Model calculation Parameters.

From: Study on effects of the train-induced airflow on the temperature field of single-track high-speed railway tunnels in cold regions

Material

Density

(\(kg \cdot {m^{ - 3}}\))

Specific Heat Capacity (\(J \cdot {(kg \cdot {}^{ \circ }C)^{ - 1}}\))

Thermal conductivity

(\(W \cdot {(m \cdot k)^{ - 1}}\))

Air

1.23

1.003

0.02

Lining

2500

0.92

1.74

Surrounding rock

1700

1.021

2.3