Different ventilation schemes
Ventilation and smoke extraction for metro systems
Article REF: SE2082 V1
Different ventilation schemes
Ventilation and smoke extraction for metro systems

Authors : Pierre CARLOTTI, Jean-François BURKHART, Antoine MOS, Alexandre DUSSERRE, Jean-Michel PASSELAIGUE

Publication date: March 10, 2022 | Lire en français

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3. Different ventilation schemes

3.1 Principle

As seen in section 1.5 , the basic strategy for smoke extraction is to push all the smoke in one direction and extract it from the tunnel at a point which must be less than 800 m from the fire. To repel all the smoke, a longitudinal air current, known as a "sweep",...

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