不同点火位置时乳胶泡沫火蔓延特性

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张明振¹，黄冬梅^1,2*，原琪¹，王姝雯¹

1. 中国计量大学质量与安全工程学院，浙江杭州 3100182. 浙江省家具检测技术研究重点实验室，浙江杭州 310018

收稿日期:2017-11-29修回日期:2018-03-03出版日期:2018-10-22发布日期:2018-10-12
通讯作者:黄冬梅

基金资助:火灾烟气对二氧化硅气凝胶复合材料隔热性能影响机理的研究;床垫填充材料乳胶泡沫水平火蔓延行为

Flame spread characteristics of latex foam at different ignition positions

Mingzhen ZHANG¹, Dongmei HUANG^1,2*, Qi YUAN¹, Shuwen WANG¹

1. College of Quality and Safety Engineering, China Jiliang University, Hangzhou, Zhejiang 310018, China
2. Key Laboratory of Furniture Inspection Technology of Zhejiang Province, Hangzhou, Zhejiang 310018, China

Received:2017-11-29Revised:2018-03-03Online:2018-10-22Published:2018-10-12

摘要/Abstract

摘要： 在边缘点火和中间点火条件下对多孔乳胶泡沫进行小尺寸燃烧，研究了不同点火位置时火焰的蔓延过程和规律，考察了材料表面温度分布、火蔓延速率和火焰高度随时间的变化. 结果表明，边缘和中间点火时，平均火蔓延速率分别为0.42和0.24 cm/s，蔓延至整个材料表面的时间分别为84和74 s，最大火焰高度分别为68.6和82.7 cm. 随火焰区不断增大，火焰温度不断升高，传递给未燃区的热量增多，加速了材料热解，火蔓延速率增大.

引用本文

张明振黄冬梅郭晨宁王姝雯. 不同点火位置时乳胶泡沫火蔓延特性[J]. 过程工程学报, 2018, 18(5): 1029-1036.
Mingzhen ZHANG Dongmei HUANG Qi YUAN Shuwen WANG. Flame spread characteristics of latex foam at different ignition positions[J]. Chin. J. Process Eng., 2018, 18(5): 1029-1036.

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