| 多离散源驱动的双扩散自然对流传输结构 |
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| 引用本文： | 李旻,杨艺,吴春亮,赵仕琦.多离散源驱动的双扩散自然对流传输结构[J].工程热物理学报,2008,29(11). |
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| 作者姓名： | 李旻 杨艺 吴春亮 赵仕琦 |
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| 作者单位： | 广东海洋大学,工程学院,广东,湛江,524088 |
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| 摘 要： | 本文通过"矢量线,,可视化方法,解析了一个方腔内由双离散热源和污染源驱动的双扩散自然对流系统的传输结构.发现在不同浮升力比下,该系统存在着三种明显不同的宏观传输结构,即由热浮升力主导的传输结构,由热质浮升力共同支配的传输结构以及由质浮升力主导的传输结构.
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| 关 键 词： | 双扩散自然对流 传输结构 矢量线 热线 质线 |
ANALYSIS OF TRANSPORT STRUCTURE OF DOUBLE DIFFUSIVE NATURAL CONVECTION INDUCED BY MULTI-DISCRETE SOURCES |
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| LI Min,YANG Yi,WU Chun-Liang,ZHAO Shi-Qi.ANALYSIS OF TRANSPORT STRUCTURE OF DOUBLE DIFFUSIVE NATURAL CONVECTION INDUCED BY MULTI-DISCRETE SOURCES[J].Journal of Engineering Thermophysics,2008,29(11). |
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| Authors: | LI Min YANG Yi WU Chun-Liang ZHAO Shi-Qi |
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| Institution: | LI Min YANG Yi WU Chun-Liang ZHAO Shi-Qi Engineering College,Guangdong Ocean University,Zhanjiang 524088,China |
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| Abstract: | In this paper, the transport structures of double diffusive natural convection in a square cavity driven by two discrete heat and mass sources were analyzed by the use ofvector linemethod. The analyses show that there obviously exist three different kinds of macrostructures of transport versus different buoyancy ratios, the first is mainly dominated by thermal buoyancy, the second is controlled by thermal and mass buoyancy forces together and the third one basically dominated by mass buoyancy. |
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| Keywords: | double diffusive natural convection transport structure vector line heatline massline |
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