Technical

The Future of Tunnel Ventilation Design: CFD and Beyond

How computational fluid dynamics is transforming the way we design ventilation systems for underground infrastructure — and what comes next.

15 November 2025·6 min read·Engineering TeamTechnical
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Tunnel ventilation design has evolved significantly over the past decade. Traditional empirical methods are being supplemented — and in many cases replaced — by advanced CFD modelling that allows engineers to simulate fire scenarios, airflow patterns, and smoke behaviour with unprecedented accuracy. At Tomaers, we have applied these techniques across 25+ tunnel projects globally.

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tunnel ventilationCFDfire safetyinfrastructure