File:Fse-mesh-resolution-v3.svg

Fse-mesh-resolution-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 23 KB)

Summary

Ratio D*/δx for fires of 100 kW to 5000 kW and four cell sizes; the shaded band marks the range of 5 to 10. Based on McGrattan (2007), p. 6-5.

Original illustration for Mesh resolution, level 4 Expert.

Source basis: McGrattan (2007), p. 6-5 (D* expression and the range 5 to 10); Ministry of Business, Innovation and Employment (2013), p. 219 (340 kW example with 0.1 m cells); Van Rossum (2027), §3.2 and §6.7 (ambient values)
Alt text: Chart of D* divided by cell size against heat release rate for cells of 0.05, 0.1, 0.2 and 0.4 m, with the band from 5 to 10 shaded.

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:37, 2 November 2026		900 × 600 (23 KB)	Jan (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Short title	Ratio D*/δx for fires of 100 kW to 5000 kW and four cell sizes; the shaded band marks the range of 5 to 10. Based on McGrattan (2007), p. 6-5.
Image title	Chart of D* divided by cell size against heat release rate for cells of 0.05, 0.1, 0.2 and 0.4 m, with the band from 5 to 10 shaded. Source basis: McGrattan (2007), p. 6-5 (D* expression and the range 5 to 10); Ministry of Business, Innovation and Employment (2013), p. 219 (340 kW example with 0.1 m cells); Van Rossum (2027), §3.2 and §6.7 (ambient values)
Width	900
Height	600