木材自燃的实验研究

World Academy of Science, Engineering and Technology, International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering Pub Date : 2009-11-01 DOI:10.5772/7398

T. Poespowati

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引用次数: 6

摘要

对木材在一定的外部热通量和不同的木材含水率下的防火性能进行了实验研究。将六种印度尼西亚木材:克鲁木、索诺木、西马拉木、坎珀木、松木和马霍尼木暴露在锥形加热器的辐射热下，导致木材表面自燃而产生稳定的火焰。采用k型热电偶测量木材表面温度。使用TC-08每隔1 s记录每次实验的温度历史。成功采集了首次点火时间和温度、末次点火时间和温度、炭化率等数据。结果表明，木材的含水率与着火温度和炭化速率有关。关键词:防火性能，含水率，木材，炭化率。

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An Experimental Study on Autoignition of Wood

Experiments were conducted to characterize fire properties of wood exposed to the certain external heat flux and under variety of wood moisture content. Six kinds of Indonesian wood: keruing, sono, cemara, kamper, pinus, and mahoni were exposed to radiant heat from a conical heater, result in appearance of a stable flame on the wood surface caused by spontaneous ignition. A thermocouple K-type was used to measure the wood surface temperature. Temperature histories were recorded throughout each experiment at 1 s intervals using a TC-08. Data of first ignition time and temperature, end ignition time and temperature, and charring rate have been successfully collected. It was found that the ignition temperature and charring rate depend on moisture content of wood. Keywords—Fire properties, moisture content, wood, charring rate.

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来源期刊

World Academy of Science, Engineering and Technology, International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering

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