An Experimental Study on Smoke Movement by the External Wind in Road Tunnel Fires

Abstract

In this study, reduced scale experiments were carried out to evaluate the effect of external wind in a road tunnel fire. Experiments were conducted in a 1.1 m × 0.5 m × 50.4 m tunnel. 4.5 litter gasoline was used as a fuel. Temperature, oxygen and carbon monoxide concentration were measured. Smoke reaching time to the tunnel exit was affected by the external wind. When a fire was fully developed, wind effect is reduced compared with the early stage of a fire. CO concentration was reached at more than 1,500 ppm. Key words

Case Study Analysis of Database Construction for Smoke Control Simulation Experiments Using Scale Model

“…Prototype Model [3,5,6,8,[12][13][14][15][16][17][18][19][20][21][22][23][24][25] Simulation [24][25][26][27] Form of Architecture…”

“…For studies that used scale models, the minimum scale was 1:2.5, and the maximum scale was 1:50. The types of buildings analyzed for the scale-model experiments included tunnels [3,5,13,14,[17][18][19][20][21][22]27], underground railway stations [6], parking lots [12], hydroelectric power plants [26], atrium [16], and cuboid rooms [23]. Most of the experiments were performed using tunnel-type models.…”