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变热流条件下木材点燃时间与热流变化率关系的实验研究 被引量：5

Experimental study on relation between ignition time of wood and heat flux increasing rate exposed to variable heat flux
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摘要 实验研究了外加线性变化热流条件下木材点燃时间与热流变化率之间的关系,测量了不同种类木材在不同热流变化率下的点燃时间。通过分析实验数据发现,点燃时间和热流变化率之间符合很好的幂函数关系,而密度是影响木材着火的一个关键因素。 Experimental studies were conducted on the non-piloted ignition of wood exposed to variable heat fluxes. The ignition time was measured for different species of wood under heat fluxes increasing with time. The relation between the ignition time and the rate of increase of heat flux was found to follow a power function. Density is a key factor affecting the ignition of wood.
作者 杨立中 郭再富
机构地区 中国科学技术大学火灾科学国家重点实验室
出处 《热科学与技术》 CAS CSCD 2005年第3期224-227,共4页 Journal of Thermal Science and Technology
基金 国家重点基础研究资助项目(2001CB409603).
关键词 变热流 点燃时间 热流变化率 variable heat flux time to ignition rate of increase of heat flux
分类号 TQ351.2 [化学工程]
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参考文献11

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同被引文献49

  • 1陈则韶,陈建新,谭洋,胡芃,郭俊成.烟草导热系数与含水率、堆密度的综合关系[J].中国科学技术大学学报,2005,35(1):124-129. 被引量：10
  • 2骆介禹.森林可燃物燃烧性研究的概述[J].东北林业大学学报,1994,22(4):95-101. 被引量：15
  • 3宋长忠,方梦祥,骆仲泱,岑可法.含水木材热解和着火试验研究[J].能源工程,2007,27(2):10-16. 被引量：4
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  • 7Shields T J, Sileock G W, Murray J J. The Effects of Geometry and Ignition Mode on Ignition Times Obtained Using a Cone Calorimeter [J]. Fire Mater, 1993, 17:25-32.
  • 8Babrauskas V. Ignition Handbook [M]. Fire Science Publishers, 2003: 294-295, chapter 7.
  • 9Nakamura Y J, Kashiwagi T. Effects of Sample Orientation on Nonpiloted Ignition of Thin Poly (Methyl Methacrylate) Sheets by a Laser 1. Theoretical Prediction [J]. Combust Flame, 2005, 141:149-169.
  • 10Gotoda H, Manzello S L, SasoY, et al. Effects of Sample Orientation on Nonpiloted Ignition of Thin Poly (Methyl Methacrylate) Sheets by a Laser 2. Experimental Results [J]. Combust Flame, 2006, 145:820-835.

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热科学与技术
2005年 第3期

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