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  1. 1Summary
  2. 2Licensing

Fse-fuel-controlled-fire-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 9 KB)

Summary

Equivalence ratio φ against heat release rate for a room with a door of 1.08 m² and 1.8 m high: fuel controlled below φ = 1. Based on Walton and Thomas (2002), pp. 3-181, 3-184 and 3-185.

Original vector illustration for Fuel-controlled fire, level 2 Intermediate.

  • Source basis: Walton and Thomas (2002), p. 3-181 (equivalence ratio, fuel lean below 1), p. 3-184 (stoichiometric heat release rate 1,500 A0√H0) and p. 3-185 (example room; Babrauskas flashover at 750 A0√H0)
  • Alt text: Straight line of equivalence ratio against heat release rate for a room with a 1.08 m² door; markers at 500 kW, at flashover (1,087 kW) and at φ = 1 (2,173 kW).

Licensing

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

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current17:06, 2 November 2026Thumbnail for version as of 17:06, 2 November 2026900 × 600 (9 KB)Lisa (talk | contribs)Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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