File:Fse-t-squared-fire-v3.svg

Fse-t-squared-fire-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 14 KB)

Summary

Heat release rate of a burning foam sofa fitted by 0.1736 (t − 80)², compared with the standard fast and ultrafast t-squared fires. Based on Alpert (2002), p. 2-23 and Iqbal and Salley (2004), p. B-3.

Original vector illustration for T-squared fire, level 2 Intermediate.

Source basis: Alpert (2002), p. 2-23 (Equation 30 and Figure 2-2.3: redraw, do not copy); Iqbal and Salley (2004), p. B-3; National Research Council of Canada et al. (2005), p. 2.4-11 (incubation phase)
Alt text: Line chart: a sofa fire curve stays at zero for 80 s, then rises steeply between the standard fast and ultrafast curves.

Licensing

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:06, 2 November 2026		900 × 600 (14 KB)	Lisa (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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T-squared fire

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Short title	Heat release rate of a burning foam sofa fitted by 0.1736 (t − 80)², compared with the standard fast and ultrafast t-squared fires. Based on Alpert (2002), p. 2-23 and Iqbal and Salley (2004), p. B-3.
Image title	Line chart: a sofa fire curve stays at zero for 80 s, then rises steeply between the standard fast and ultrafast curves. Source basis: Alpert (2002), p. 2-23 (Equation 30 and Figure 2-2.3: redraw, do not copy); Iqbal and Salley (2004), p. B-3; National Research Council of Canada et al. (2005), p. 2.4-11 (incubation phase)
Width	900
Height	600