Systemair

Road Tunnel Ventilation

In road tunnels ventilation rates are needed to dilute the pollutant emissions from vehicles - like Carbon Monoxide (CO), Nitrogen Oxides (NOx) and soot (particles matter) - in order to keep acceptable air quality for the users.

Just as important is controlling the effects of a fire in tunnels。 The ventilation system needs to be designed and sized to provide sufficient velocity and direction for controlling the spread of smoke and heat in the event of fire。

The ventilation systems can be configured depending on different key elements such as: length, traffic direction, gradient, flow rates, fire size and scenario etc。

Systemair provides technical expertise for the design of the ventilation systems, supplies state of the art products and gives support for the installation, commissioning and operation of the delivered systems。

Transverse ventilation

Transversal ventilation uses separate air ducts to introduce inside the tunnel set flow rates of fresh air and extract the flue air from the tunnel.

秒速赛车开户Read more about transversal ventilation

Semi-transverse ventilation

Semi-transversal ventilation uses air ducts to supply the right amount of air to accomplish the dilution of the pollutants。

Read more about semi-transverse ventilation

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