The 13^th International Conference Tunnel Safety and Ventilation (TSV 2026) was held in Graz from April 21-22, 2026.

We are pleased to have once again been able to create a successful international platform for knowledge-sharing and networking.
The sold-out conference brought together over 300 participants from 23 different countries, as well as 30 specialist exhibitors, offering a unique opportunity for knowledge sharing, idea exchange and the showcasing of latest products.
On behalf of the Institute of Thermodynamics and Sustainable Propulsion Systems (ITnA), we would like to express our sincere gratitude to everyone who helped make the conference such a resounding success once again.
Thanks a lot to all presenting authors for their commitment in addressing a distinguished audience and for their engagement as well as to all participants. Your attendance was fundamental in making the event a success.

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More pictures will follow soon...