IDA Tunnel
Road and Rail Tunnel Ventilation and Fire Simulation Software

IDA Tunnel is a comprehensive tunnel environment simulation software suite available from EQUA.

Road Tunnel Ventilation
DA Road Tunnel Ventilation calculates pressure, airflow, temperature as well as CO and NO, concentration in complex tunnel networks.

Tunnel fire scenarios can be simulated, in which case a user specified heatflux is added in a limited section of the tunnel. Models for smoke and combustion materials are available as well as fire size limitation according to available oxygen.

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Rail Tunnel Ventilation
IDA Tunnel relies on a truly graphical user interface for definition of the tunnel model.

A schematic representation of computational components, such as tunnel sections, branches, platforms, fans, etc. is accompanied by a 3D view, where computed results and moving trains can be animated in the context of a full 3D representation of the tunnel network.



Train movement under normal traffic and emergency conditions can be simulated, based on user-supplied acceleration, retardation, maximum power and speed prarmeters. Stochastic traffic patterns may be described to avoid artificial train synchronization effects.

The tool can, i.e. predict fire expansion and stack effect but does not deal with pressure waves. This corresponds to the level of approximation of SES.

The following information is computed:

- Radial temperature field;
- Air moisture with wall evaporation and condensation;
- Possible ice and mould build-up;
- Additional sources of moisture (occupants, sources of water or vapor);
- Additional air properties (age, carbon dioxide, particle concentration, optical extinction coefficient of fire and diesel smoke, etc.)

Please, contact EQUA Simulation for pricing.