热薄材料表面火焰传播的三维效应
Three-Dimensional Effects of Flame Spread over Thermal Thin Solid Materials
查看参考文献17篇
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文摘
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利用能够限制自然对流的水平窄通道, 对薄材料表面逆风传播火焰的三维效应进行了实验研究, 参数包括气流速度、氧气浓度、燃料宽度等.结果表明, 在足够宽的通道内, 火焰传播随燃料宽度的变化, 表现出随氧气浓度和气流速度的不同而变化的三维特性.侧面热损失和氧气扩散对火焰传播的影响, 在各种氧气浓度和气流速度下, 都限于燃料宽度小于10倍扩散长度 |
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其他语种文摘
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The three-dimensional effects of flame spread over thin materials were experimentally studied using a natural-convection-suppressing horizontal narrow-channel, and the gas flow speed, oxygen concentration, and sample widths were altered. In a sufficiently wide narrow-channel, variation of flame spread with the width of material sample shows different trends for different gas flow speed and oxygen concentration. In all the tests, the effects are limited to the samples whose widths are less than 10 times of diffusion length |
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来源
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燃烧科学与技术
,2010,16(2):137-142 【核心库】
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关键词
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热薄材料
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逆风火焰传播
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三维效应
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窄通道
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地址
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1.
中国科学院力学研究所, 中国科学院微重力重点实验室, 北京, 100190
2.
北京理工大学宇航学院, 北京, 100081
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1006-8740 |
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学科
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能源与动力工程 |
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基金
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国家自然科学基金
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中国科学院知识创新工程领域前沿项目
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文献收藏号
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CSCD:3953105
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