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- Title
Estimation of heat release rate based on analysis of flame spread behavior in mattresses.
- Authors
Park, Kye‐Won; Mizuno, Masayuki; Cho, Chang‐Geun; Jeong, Jong‐Jin
- Abstract
To investigate the fire danger of mattresses, combustion experiments were conducted with a mattress installed at different heights above the floor to better understand their combustion behavior. The installation height was varied because the height of a mattress varies depending on the bed frame, and the combustion behavior is expected to change with the installation height. Experiments with a mattress installed at 0–515 mm above the floor revealed that the fire growth was faster, and the maximum heat release rate (HRR) increased with installation height. In contrast, in a series of experiments where a mattress was installed above a water pool, the flame spread rates and HRR histories were comparable for all installation heights. This demonstrate that the combustion behavior of the mattress was affected by the combustion of the molten mattress material that dropped to the floor, and this effect was influenced by the mattress installation height. Furthermore, we analyzed the HRR per unit area of mattress construction material using cone calorimeter tests to mimic the combustion taking place on the floor. Combining these results with the relation between the length of the burning part of a mattress at the front of flame spread and the HRR, we proposed a model for predicting the HRR history of mattress for a flame ignition at the center of its longitudinal side. The derived predictive model for the HRR history of mattress combustion emphasize that it is necessary to understand factors such as the intense radiant heat from the pool fire.
- Subjects
FLAME spread; MATTRESSES; HEAT release rates; FLAME
- Publication
Fire & Materials, 2024, Vol 48, Issue 2, p180
- ISSN
0308-0501
- Publication type
Article
- DOI
10.1002/fam.3176