File:Fse-uncertainty-analysis-v3.svg

Fse-uncertainty-analysis-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 10 KB)

Summary

Relative uncertainty of the hot gas layer temperature rise and layer height caused by uncertainty in the heat release rate. Based on Hamins and McGrattan (2007), pp. 5-1–5-2.

Original illustration for Uncertainty analysis, level 4 Expert.

Source basis: Hamins and McGrattan (2007), p. 5-1 (HRR uncertainty 15 % to 25 %, MQH correlation) and p. 5-2 (two-thirds rule; layer height 1 % to 2 %)
Alt text: Chart: temperature uncertainty rises at two-thirds of the heat release rate uncertainty, while layer height uncertainty stays near 1 to 2 %.

Licensing

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

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:43, 2 November 2026		900 × 600 (10 KB)	Jan (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

You cannot overwrite this file.

File usage

The following page uses this file:

Uncertainty analysis

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Short title	Relative uncertainty of the hot gas layer temperature rise and layer height caused by uncertainty in the heat release rate. Based on Hamins and McGrattan (2007), pp. 5-1–5-2.
Image title	Chart: temperature uncertainty rises at two-thirds of the heat release rate uncertainty, while layer height uncertainty stays near 1 to 2 %. Source basis: Hamins and McGrattan (2007), p. 5-1 (HRR uncertainty 15 % to 25 %, MQH correlation) and p. 5-2 (two-thirds rule; layer height 1 % to 2 %)
Width	900
Height	600