Jet Fan System

Jet fan system generates air flow inside a tunnel by fan air blow. It effectively uses the piston effect by vehicles and natural winds to boost ventilation. Efficient air flow control makes the system very cost-effective.
with bidirectional traffic or smoke exhaust from a tunnel with unidirectional traffic, while a booster fan which produces unidirectional air flow is used for ventilation in a tunnel with unidirectional traffic

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