Abstract

Problem statement: This study investigates the fire evacuation problem of the library building by using the Fire Dynamics Simulator with Evacuation (FDS+Evac.) programming. Approach: The assumption is made that the sprinkler system is installed in the building but the system is malfunction, which is considered as the worst case of the situation. The simulations are divided into 4 cases, which are case 1; the numbers of evacuating persons are 517 persons and the heat release rate is 5 MW, case 2; the numbers of evacuating persons are 517 persons and the heat release rate is 7 MW, case 3; the numbers of evacuating persons are 788 persons and the heat release rate is 5 MW and case 4; the numbers of evacuating persons are 788 persons and the heat release rate is 7 MW. Results: The results are shown that the 1st case and the 2nd case have the evacuation times of 8.63 and 8.81 min, respectively. There is no dead person found from both cases. For the 3rd and the last case, the evacuation times are 18.17 and 18.83 min, respectively. The 3rd case has 1 dead person and the last case has 18 dead persons, respectively. Conclusion: The number of evacuating person and a size of fire have a directly impact on the evacuating person. The reasons are the crowded situation of evacuation and a higher toxicity that is occurred. So, the stairway of the building has to be improved and changed to be the fire escape. This brings to the increasing in the capability of the evacuation.

Highlights

  • The simulation program of evacuation in this research is Fire Dynamics Simulator with EvacuationThe fire evacuation is a necessary activity required in various emergency situations for examples, the fire occurrence, the earthquake, a gas leak, the hostage situation and the bombing

  • The program is able to assign the initial time of evacuation or the response time in which the evacuating person can perceive the fire occurrence and react to the evacuation time

  • The source of a fire starts at the Air Handling Units (AHU) of the 3rd floor

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Summary

Introduction

The simulation program of evacuation in this research is Fire Dynamics Simulator with EvacuationThe fire evacuation is a necessary activity required in various emergency situations for examples, the fire occurrence, the earthquake, a gas leak, the hostage situation and the bombing. The evacuation time depends on various components, which are the user characteristics, the building characteristics and the building layout. (FDS+Evac) that is able to calculate only for the evacuation time but the program has not got a function to calculate the perception time and the action time. The program is able to assign the initial time of evacuation or the response time in which the evacuating person can perceive the fire occurrence and react to the evacuation time. There are other important factors influencing on the travel time, which are a population size, the evacuation speed, the congestion of the people, the door width, the evacuation route, the distance to the safe place, the building shape and dimension, behavior and familiarity to the place and the increment of toxicity in combustion process emerged from the decoration material in the building

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