Experimental Study on the Temperature Field of Cold Region Tunnel under Various Groundwater Seepage Velocities

Figure 9

Variations in the surrounding rock temperature drop at different groundwater seepage velocities after 11.5 h of cooling. Average wind speed of (a) 0.606 m/s, (b) 1.002 m/s, and (c) 2.398 m/s.

(a)

(b)

(c)