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Fse-critical-water-application-rate-v1.svg (SVG file, nominally 900 × 600 pixels, file size: 8 KB)
Summary
Energy balance at a burning surface under water spray. Left: evaporating water removes heat. Right: on a horizontal surface a puddle also blocks flame heat and fuel vapour. Based on Tewarson (2002), pp. 3-147 to 3-148.
Original illustration for Critical water application rate, level 4 Expert.
- Source basis: Tewarson (2002), p. 3-147 (Eqs. 123 to 125: external and flame heat, re-radiation loss, heat removed by vaporisation of water) and p. 3-148 (Eq. 126: blockage of flame heat flux and escape of fuel vapours by a puddle on a horizontal surface)
- Alt text: Two cross-sections of a burning plastic slab under water spray: left, water evaporates on the surface; right, a puddle covers part of it.
Licensing
New drawing by Fire Safety Academy. © Fire Safety Academy.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:28, 2 November 2026 | | 900 × 600 (8 KB) | Jan (talk | contribs) | Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity |
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