Abstract
Road emergency events are very dangerous, especially if they happen in tunnels. If such an event occurs with the presence of fire, self-evacuation is the most important. From experience from catastrophic events in Alpine tunnels, people can only have a few minutes to rescue. It was also reason that a lot of changes in technology and safety tunnel equipment have been legislatively adopted. Then if we want to help rescue people, we need experienced tunnel operators, who know the principles of tunnel ventilation control with fire and smoke. This paper is about simulation of emergency events in virtual tunnel of Tunnel Traffic & Operation Simulator (Simulator) and about simulations of smoke stratification on the basis of Computer Fluid Dynamics (CFD) models.
Highlights
Operational safety of road tunnels depends on many factors
The main factor is the behaviour of road tunnel users and there are many factors, e.g. presence and condition of safety and technological equipment, experience and preparedness of tunnel operators and other parts of the rescue system
In cooperation with Institute of Informatics of Slovak Academy of Sciences we are preparing to expand Simulator on the most realistic visualizations of the smoke spread in case of a fire in the virtual road tunnel (Fig. 1)
Summary
Operational safety of road tunnels depends on many factors. The main factor is the behaviour of road tunnel users and there are many factors, e.g. presence and condition of safety and technological equipment, experience and preparedness of tunnel operators and other parts of the rescue system. The correct choice of traffic-operation state and consistent optimal managing of emergency event are a key element to achieve successful solution of an event/incident. Simulator built from the project Centre of Transport Research creates the possibilities to simulate a variety of tunnel incidents. In cooperation with Institute of Informatics of Slovak Academy of Sciences we are preparing to expand Simulator ( year) on the most realistic visualizations of the smoke spread in case of a fire in the virtual road tunnel (Fig. 1). 3D visualization of smoke development in road tunnel Fig. 1. 3D visualization of smoke development in road tunnel
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