Effects of Thickness and Ignition Location on Flame Spread Rates in Furniture Calorimeter Tests of Polyurethane Foam

Luke D. Robson, D. Torvi, M. Obach, E. Weckman
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引用次数: 6

Abstract

Furniture calorimeter tests of polyurethane foam specimens were conducted to determine the effects of ignition location and specimen thickness on measured flame spread rates. These measurements were made using a new procedure that measured flame areas using infrared video records. Furniture calorimeter tests were conducted using specimens with thicknesses ranging between 2.5 cm and 10 cm, which were ignited in either the centre or on one edge. Flame spread rates increased with foam thickness, and flame spread rates in centre ignition tests were quicker than in edge ignition tests. These flame spread measurements will be used in a model, along with heat release rate data from cone calorimeter tests of the same foam, in order to predict heat release rates in furniture calorimeter tests of polyurethane foam slabs.
家具用聚氨酯泡沫热计试验中,厚度和点火位置对火焰蔓延速率的影响
用家具量热计对聚氨酯泡沫试样进行了试验,以确定点火位置和试样厚度对火焰蔓延速率的影响。这些测量是通过使用红外视频记录测量火焰面积的新程序进行的。使用厚度在2.5厘米至10厘米之间的样品进行家具量热计测试,在中心或一侧点燃。火焰蔓延速度随泡沫厚度的增加而增加,中心点火试验的火焰蔓延速度快于边缘点火试验。这些火焰蔓延测量值将与来自同一泡沫的锥形量热计测试的热释放率数据一起用于模型中,以便预测聚氨酯泡沫板家具量热计测试中的热释放率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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