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:...
180 - Fire Fundamentals pt. 12 - Pressurization systems
Fire Science Show
48 minutes
3 months ago
180 - Fire Fundamentals pt. 12 - Pressurization systems
In this episode of fire science fundamentals, we cover the pressurisation systems. These are smoke control solutions used to prevent smoke from accessing protected spaces, by creating an overpressure in those spaces. Although the idea is very simple, its execution is far from that. Pressurization systems need to work in two distinct states – when all doors to the protected space are closed (over pressurization state), and when some openings are open (flow-path state). In this episode, we...
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:...
