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  1. 1Summary
  2. 2Licensing

Fse-mqh-correlation-v1.svg (SVG file, nominally 900 × 600 pixels, file size: 8 KB)

Summary

Energy balance on the hot upper layer: the heat released by the fire leaves with the hot gas through the opening or is lost to the walls, ceiling and floor. Based on Walton and Thomas (2002), pp. 3-172 and 3-175.

Original illustration for MQH correlation, level 4 Expert.

  • Source basis: Walton and Thomas (2002), p. 3-172 (two-layer model, plume, interface, outflow and inflow at openings) and p. 3-175 (Equations 7 and 8, heat loss approximately equal to conduction into the surfaces); Van Rossum (2027), §3.7 (energy balance on a smoke layer)
  • Alt text: Cross-section of a room fire with a hot upper layer, hot gas leaving through the top of a door, air entering below and heat flowing into walls.

Licensing

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

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Date/TimeThumbnailDimensionsUserComment
current17:16, 2 November 2026Thumbnail for version as of 17:16, 2 November 2026900 × 600 (8 KB)Jan (talk | contribs)Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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