Contents
Fse-virtual-origin-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 18 KB)
Summary
Plume centreline temperature above a 5,000 kW lubricating oil pool fire with the virtual origin (0.44 m) and with the virtual origin set to zero. Based on Iqbal and Salley (2004), pp. 9-10 to 9-11, and Heskestad (2002), p. 2-6.
Original illustration for Virtual origin, level 4 Expert.
- Source basis: Iqbal and Salley (2004), p. 9-10 (example result 244 °C) and p. 9-11 (input values, z0 = 0.44 m); Heskestad (2002), p. 2-6 (plume temperature law) and p. 2-7 (not valid at and below the mean flame height)
- Alt text: Line chart: plume centreline temperature falls with height; the curve with the virtual origin lies above the one without it, mostly near the fire.
Licensing
New drawing by Fire Safety Academy. © Fire Safety Academy.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:15, 2 November 2026 | | 900 × 600 (18 KB) | Jan (talk | contribs) | Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity |
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