Fig 1.
Model of the experimental compartment.
Fig 2.
Sketch of the bolt system of a compartment window.
Table 1.
Experimental settings.
Fig 3.
The flame on the surface of wood blocks of Test 8: (a) bright light blue flame; (b) bright yellow flame; (c) vertical flame; (d) intense smoldering and appearance of high temperature area; (e) appearance of flame (f) rapid covering of flame on the surface of the wood blocks.
Fig 4.
Temperature curves of the Test 8: (I) alcohol burning; (II) woodblocks steadily burning; (III) woodblocks transition from complete burning to incomplete burning; (IV) wood blocks smoldering; (V) gas exchange and smoldering intensely; (VI) wood blocks steadily burning again.
Fig 5.
Gas component concentration curves of Test 8: (I) alcohol burning; (II) woodblocks steadily burning; (III) woodblocks transition from complete burning to incomplete burning; (IV) woodblocks smoldering; (V) gas exchange and intense smoldering; (VI) woodblocks steadily burning again.
Fig 6.
The corresponding times of the experimental processes.
Fig 7.
Effect of the compartment window area on backdraft time.
Fig 8.
Effect of the upper surface area of woodblocks on backdraft time.