Train tunnel ventilation method and apparatus

Details Train tunnel ventilation method and apparatus Train tunnel ventilation method and apparatus

E - Fixed Constructions

21

F

98/6

E21F 1/00 (2006.01)

Patent

CA 1047824

TRAIN TUNNEL VENTILATION METHOD AND APPARATUS ABSTRACT OF THE DISCLOSURE A train tunnel is ventilated by closing an exit end of the tunnel as a train approaches the entrance end, so that during passage through the tunnel the train acts as a loose piston moving through a long closed cylinder, to cause a rapid airflow rearwardly around the train. -1-

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