Research on the Changing Law of Tunnel Temperature Field and the Application of Air Curtain System in Cold Regions

<div>The interval between the two air curtains is 20 m and 30 m. (a) Velocity vector diagram with <i>D</i> = 20 m. (b) Velocity vector diagram with <i>D</i> = 30 m. (c) Tunnel temperature when <i>D</i> = 30 m.</div>

Advances in Materials Science and Engineering

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Figure 24

Figure 24: Research on the Changing Law of Tunnel Temperature Field and the Application of Air Curtain System in Cold Regions 