File:Fse-ventilation-factor-v1.svg

Fse-ventilation-factor-v1.svg (SVG file, nominally 900 × 600 pixels, file size: 7 KB)

Summary

The ventilation factor and the normalised opening factor have different dimensions. Based on Walton and Thomas (2002), p. 3-174, and Lie (2002), p. 4-203.

Original illustration for Ventilation factor, level 3 Advanced.

Source basis: Walton and Thomas (2002), p. 3-174; Lie (2002), p. 4-203.
Alt text: A room opening defines area times square-root height, which is divided by enclosing area to obtain the opening factor.
Accuracy notes: Do not label either quantity dimensionless or use floor area for the enclosing area.

Licensing

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:34, 2 November 2026		900 × 600 (7 KB)	Emma (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Ventilation factor

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Short title	The ventilation factor and the normalised opening factor have different dimensions. Based on Walton and Thomas (2002), p. 3-174, and Lie (2002), p. 4-203.
Image title	A room opening defines area times square-root height, which is divided by enclosing area to obtain the opening factor. Source basis: Walton and Thomas (2002), p. 3-174; Lie (2002), p. 4-203.
Width	900
Height	600