File:Fse-protected-escape-route-v2.svg

Fse-protected-escape-route-v2.svg (SVG file, nominally 900 × 600 pixels, file size: 7 KB)

Summary

Pressurisation of an escape route: air leaking through a closed door, and smoke backflow through an open door at low and at high air velocity. Based on Klote (2002), p. 4-278.

Original vector illustration for Protected escape route, level 2 Intermediate.

Source basis: Klote (2002), p. 4-278 (Figures 4-12.5 to 4-12.7, redraw, do not copy) and p. 4-286 (open-door velocities)
Alt text: Door details between a smoky floor and a stair: air leaks out through a closed door; through an open door, slow air lets smoke in, fast air keeps it out.

Licensing

New drawing by Fire Safety Academy. © Fire Safety Academy.

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:34, 2 November 2026		900 × 600 (7 KB)	Lisa (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Protected escape route

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Short title	Pressurisation of an escape route: air leaking through a closed door, and smoke backflow through an open door at low and at high air velocity. Based on Klote (2002), p. 4-278.
Image title	Door details between a smoky floor and a stair: air leaks out through a closed door; through an open door, slow air lets smoke in, fast air keeps it out. Source basis: Klote (2002), p. 4-278 (Figures 4-12.5 to 4-12.7, redraw, do not copy) and p. 4-286 (open-door velocities)
Width	900
Height	600