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Fse-deflagration-index-v1.svg (SVG file, nominally 900 × 600 pixels, file size: 11 KB)
Summary
The 20-litre sphere used to measure the deflagration index: compressed air blows the dust from the dust chamber through a perforated dispersion ring, and an igniter at the centre ignites the cloud after a set delay. Based on Zalosh (2002), pp. 3-403 to 3-404.
Original illustration for Deflagration index, level 4 Expert.
- Source basis: Zalosh (2002), p. 3-403, Figure 3-16.1 (redraw, do not copy) and text on pp. 3-403 to 3-404 (dust chamber, dispersion ring, spark or pyrotechnic igniter at the centre, ignition after a time delay)
- Alt text: Cross-section of a 20-litre steel sphere with a dust chamber below, a dispersion ring inside and an igniter at the centre.
Licensing
New drawing by Fire Safety Academy. © Fire Safety Academy.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:46, 2 November 2026 | | 900 × 600 (11 KB) | Jan (talk | contribs) | Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity |
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