SMOKE MANAGEMENT AND EGRESS ANALYSIS OF THE 5 KM PAKUASHAN VEHICLE TUNNEL
TL;DRAbstract
The emergency operation modes of a 5-km vehicle tunnel with longitudinal ventilation system were analyzed in this study through computer simulation. The SES simulation result indicated that the original emergency mode was over-designed causing an exceedingly high air velocity (7.0 m/s), which could hinder evacuation during the fire. An improved version was proposed in this study, and validated through SES for flow distribution, and through 3D CFD for near-field analysis to visualize the back-layering. The spacings of cross-passages were closely examined using SIMULEX dynamic egress analysis with satisfactory results. Finally, quantitative risk assessment using Monte Carlo method was performed to confirm the effectiveness of the whole emergency procedure. For the covering abstract see ITRD E114957.
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The emergency operation modes of a 5-km vehicle tunnel with longitudinal ventilation system were analyzed in this study through computer simulation. The SES simulation result indicated that the original emergency mode was over-designed causing an exceedingly high air velocity (7.0 m/s), which could hinder evacuation during the fire. An improved version was proposed in this study, and validated through SES for flow distribution, and through 3D CFD for near-field analysis to visualize the back-layering. The spacings of cross-passages were closely examined using SIMULEX dynamic egress analysis with satisfactory results. Finally, quantitative risk assessment using Monte Carlo method was performed to confirm the effectiveness of the whole emergency procedure. For the covering abstract see ITRD E114957.
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