| 森林火灾中烟气流动与传热特性研究 |
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| 引用本文： | 杨景标,马晓茜.森林火灾中烟气流动与传热特性研究[J].林业科技,2002,27(6):25-29. |
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| 作者姓名： | 杨景标 马晓茜 |
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| 作者单位： | 华南理工大学电力学院，广州 510640 |
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| 基金项目： | 国家自然科学基金资助项目 (30 0 70 6 2 9) |
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| 摘 要： | 考虑山坡的斜度、风速、烟气的流动方向与水平面夹角变化等因素 ,计算了烟气所能蔓延到的区域。同时 ,计算了烟气羽流各截面的质量流量和热流密度。此外 ,还计算了林木表面与烟气换热的热流密度和总换热量。在此基础上分析了山坡斜度和风速对烟气运动的影响 ,从而对林火的蔓延发展进行分析和预测。
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| 关 键 词： | 森林火灾 烟气流动 传热 山坡斜度 |
| 文章编号： | 1001-9499(2002)06-0025-05 |
| 修稿时间： | 2002年5月20日 |
Study on the Characteristics of Smoke Flow and Heat Transfer for Forest Fire |
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| YANG Jingbiao.Study on the Characteristics of Smoke Flow and Heat Transfer for Forest Fire[J].Forestry Science & Technology,2002,27(6):25-29. |
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| Authors: | YANG Jingbiao |
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| Abstract: | The region that the smoke can spread was calculated considered multiple factors such as the slope of the hill,the wind velocity,the change of the angle between the smoke and the lever and so on.At the same time,the mass flow rate and the heat flux density of each cross section of smoke flow were calculated as well.In addition,the total quantity and the density of heat transfer between the smoke and the surface of the different woods.Based on these,the influence of the slope of the hill and the wind velocity to the smoke motion was analyzed,and the spread of the forest fire was forecasted as well. |
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| Keywords: | Forest fire Smoke flow Heat transfer Slope of hill |
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