| 木垛暴露面积与其热释放速率关系的研究 |
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| 引用本文： | 杨晓菡,卢国建,刘松林. 木垛暴露面积与其热释放速率关系的研究[J]. 消防科学与技术, 2010, 29(1) |
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| 作者姓名： | 杨晓菡 卢国建 刘松林 |
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| 作者单位： | 公安部四川消防研究所,四川,都江堰,611830 |
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| 摘 要： | 介绍木垛暴露面积计算公式,计算了试验条件中木垛的暴露面积;利用ISO 9705标准试验房间火试验测试了木垛的热释放速率峰值、达到热释放速率峰值的时间和达到峰值前的热释放速率平均值;用线性拟合的方法分析木垛暴露面积与热释放速率值之间的关系,得到了拟合系数及拟合相关系数;利用线性拟合公式预测了在已知木垛暴露面积的条件下,木垛的热释放速率值,并与试验值进行了比较分析。
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| 关 键 词： | 木垛火 暴露面积 热释放速率 线性拟合 |
Study on the relationship between the exposed area of wood crib and its heat release rate |
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| YANG Xiao-han,LU Gun-jian,LIU Song-lin. Study on the relationship between the exposed area of wood crib and its heat release rate[J]. Fire Science and Technology, 2010, 29(1) |
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| Authors: | YANG Xiao-han LU Gun-jian LIU Song-lin |
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| Affiliation: | YANG Xiao-han,LU Gun-jian,LIU Song-lin (Sichuan Fire Research Institute of MPS,Sichuan Dujiangyan 611830,China) |
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| Abstract: | The calculating formula of the exposed area of wood crib is introduced,and the exposed area of wood crib used in the experiment afterwards is calculated.The ISO 9705 standard experimental room fire test is performed to test the wood crib's peak/average heat release rate and the time reaching the peak value.The method of linear fitting is used to analyze the relationship between the exposed areas of wood crib and its heat release rate,and the fitting constant and correlation coefficient is obtained.The formu... |
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| Keywords: | wood crib fires exposed area heat release rate linear fitting |
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