File:Fse-optical-density-v2.svg

Fse-optical-density-v2.svg (SVG file, nominally 900 × 600 pixels, file size: 13 KB)

Summary

Transmission decreases exponentially with path length in the uniformly mixed example. Based on Mulholland (2002), pp. 2-263, 2-265–2-266.

Original illustration for Optical density, level 3 Advanced.

Source basis: Mulholland (2002), pp. 2-263, 2-265–2-266.
Alt text: For the calculated homogeneous smoke, transmission drops from 60.3 percent over one metre to 7.94 percent over five metres.
Accuracy notes: Do not label the curve visibility or show it as a room experiment; distinguish percent transmission from obscuration.

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:35, 2 November 2026		900 × 600 (13 KB)	Emma (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Short title	Transmission decreases exponentially with path length in the uniformly mixed example. Based on Mulholland (2002), pp. 2-263, 2-265–2-266.
Image title	For the calculated homogeneous smoke, transmission drops from 60.3 percent over one metre to 7.94 percent over five metres. Source basis: Mulholland (2002), pp. 2-263, 2-265–2-266.
Width	900
Height	600