Jet-fan systems effectively control smoke in car parks by creating directed airflows that transport smoke from one point to another, similar to how longitudinal ventilation works in tunnels. These systems offer cost-effectiveness and simplicity by eliminating ductwork while providing powerful smoke management capabilities when properly designed and understood. • Jet Fans create momentum transfer through air entrainment rather than directly moving smoke • Two distinct operational modes exist:...
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Jet-fan systems effectively control smoke in car parks by creating directed airflows that transport smoke from one point to another, similar to how longitudinal ventilation works in tunnels. These systems offer cost-effectiveness and simplicity by eliminating ductwork while providing powerful smoke management capabilities when properly designed and understood. • Jet Fans create momentum transfer through air entrainment rather than directly moving smoke • Two distinct operational modes exist:...
187 - Smouldering of preserved timber with Wenxuan Wu
Fire Science Show
54 minutes
1 month ago
187 - Smouldering of preserved timber with Wenxuan Wu
Can a tiny amount of bio-protective coating completely change the fire behaviour of mass timber logs? If you asked me that some time ago, I would say it would probably be neutral. Can a 0.5 x 0.5 m free-standing log of timber smoulder through without any external exposure to fire? If you asked me that some time ago, I would say no, and base that on observations of dozens of logs like this. Yet, in Australia they’ve burned. And the hypothesis was that it has something to do with the preservati...
Fire Science Show
Jet-fan systems effectively control smoke in car parks by creating directed airflows that transport smoke from one point to another, similar to how longitudinal ventilation works in tunnels. These systems offer cost-effectiveness and simplicity by eliminating ductwork while providing powerful smoke management capabilities when properly designed and understood. • Jet Fans create momentum transfer through air entrainment rather than directly moving smoke • Two distinct operational modes exist:...
