File:Fse-visibility-in-smoke-v3.svg

Fse-visibility-in-smoke-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 8 KB)

Summary

Hand calculation of visibility: from the energy released by the fire to the soot concentration, the extinction coefficient and the visibility. Based on Van Rossum (2027), §6.3–§6.5, and Mulholland (2002), pp. 2-263 and 2-265.

Original vector illustration for Visibility in smoke, level 2 Intermediate.

Source basis: Van Rossum (2027), §6.3 (mass and concentration), §6.4 (optical density), §6.5 (visibility); Mulholland (2002), p. 2-263 (K = Km m) and p. 2-265 (KS = 8 and 3)
Alt text: Five boxes joined by arrows: energy released, fuel burnt, soot mass, soot concentration, extinction coefficient, visibility.

Licensing

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:12, 2 November 2026		900 × 600 (8 KB)	Lisa (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Visibility in smoke

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Short title	Hand calculation of visibility: from the energy released by the fire to the soot concentration, the extinction coefficient and the visibility. Based on Van Rossum (2027), §6.3–§6.5, and Mulholland (2002), pp. 2-263 and 2-265.
Image title	Five boxes joined by arrows: energy released, fuel burnt, soot mass, soot concentration, extinction coefficient, visibility. Source basis: Van Rossum (2027), §6.3 (mass and concentration), §6.4 (optical density), §6.5 (visibility); Mulholland (2002), p. 2-263 (K = Km m) and p. 2-265 (KS = 8 and 3)
Width	900
Height	600