Hong Kong - Technical Seminar – Ventilation System for Road Tunnel

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04 July 2019 19:00 - 20:30
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In road tunnels, ventilation systems 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 inside the tunnel.

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 technical talk will cover the basic design concept, design criteria and parameters under various tunnel operations, design tools for the design of tunnel ventilation system for vehicular tunnels. Also, major equipment used in the tunnel ventilation system will be introduced. This will include the use of air purification system for vehicular tunnels. Finally, testing and commissioning of the tunnel ventilation system will also be discussed.


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Ir Steven Lai and Mr Peter Wong (Please refer to event flyer for speaker biographies.)


Hong Kong Polytechnic University - Lecture Theatre N003
Hung Hom
Hong Kong

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Dr Alex Cheung

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