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Fse-opposed-flow-flame-spread-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 11 KB)
Summary
Opposed-flow spread rate over 1.27 cm Douglas fir particleboard against the surface temperature ahead of the flame, from the LIFT formula and data. Below 210 °C spread does not continue; at 382 °C the surface ignites. Based on Quintiere (2002b), pp. 2-250 and 2-251.
Original illustration for Opposed-flow flame spread, level 4 Expert.
- Source basis: Quintiere (2002b), p. 2-250 (Eq. 18, minimum spread temperature) and p. 2-251 (Table 2-12.2, Douglas fir particle board 1.27 cm)
- Alt text: Rising curve of spread rate against surface temperature for particleboard, from 0.46 mm/s at 210 °C to about 94 mm/s at 370 °C, on a log scale.
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New drawing by Fire Safety Academy. © Fire Safety Academy.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:12, 2 November 2026 | | 900 × 600 (11 KB) | Jan (talk | contribs) | Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity |
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