- ARCHITECTURAL INST JAPAN
This paper aims to explain and analyze the test results of the fire behavior of real-size bed mattress products when subjected to an open flame burner system with a total heat supply of 27 kW according to the ISO 12949 method. These results were analyzed in terms of the heat release rate, flame height, temperature, and flame-spread rate using an equation. A normal bed mattress without any fire retardant treatment has a peak heat release rate (HRR) of more than 3 MW before 300 s. After ignition, only a few minutes are allowable for the evacuation of the occupants, making it important to prevent the ignition of the bed mattress or to adopt a retardant bed mattress. The flame heights measured by analyzing a video showed good agreement with the mean flame height estimated from the dimensionless HRR calculated using the burning area in an experiment with a non-flame retardant bed mattress. Finally, the mean flame-spread rate interpolated from the measured temperature rising data at several points on the bed mattress in an experiment with a non-flame retardant bed mattress was consistent with the proposed calculation model.
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