File:Fse-critical-water-application-rate-v5.svg

Fse-critical-water-application-rate-v5.svg (SVG file, nominally 900 × 600 pixels, file size: 13 KB)

Summary

Heat release rate after sprinkler activation for a 500 kW light hazard fire in the NIST suppression model, for two spray densities. Based on Fleming (2002), p. 4-87.

Original illustration for Critical water application rate, level 4 Expert.

Source basis: Fleming (2002), p. 4-86 (origin of the NIST model in wood crib tests) and p. 4-87 (equation, validity limits, 500 kW example)
Alt text: Line chart: after sprinkler activation a 500 kW fire falls to 432 kW in 60 s at 0.07 mm/s and to 172 kW at 0.205 mm/s.

Licensing

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:28, 2 November 2026		900 × 600 (13 KB)	Jan (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Critical water application rate

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Short title	Heat release rate after sprinkler activation for a 500 kW light hazard fire in the NIST suppression model, for two spray densities. Based on Fleming (2002), p. 4-87.
Image title	Line chart: after sprinkler activation a 500 kW fire falls to 432 kW in 60 s at 0.07 mm/s and to 172 kW at 0.205 mm/s. Source basis: Fleming (2002), p. 4-86 (origin of the NIST model in wood crib tests) and p. 4-87 (equation, validity limits, 500 kW example)
Width	900
Height	600