| 平板热管蒸发段多孔介质内流动和传热分析 |
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| 引用本文： | 胡聪香,彭晓峰.平板热管蒸发段多孔介质内流动和传热分析[J].工程热物理学报,2007,28(Z2):21-24. |
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| 作者姓名： | 胡聪香 彭晓峰 |
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| 作者单位： | 相变与界面传递现象实验室,清华大学,北京,100084 |
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| 摘 要： | 通过假定平板热管多孔芯内流体的压力分布,对流动和传热进行了分析,得出结论:边界对于速度分布和流量计算的影响比惯性影响大,对于液层的分布二者影响都很小;多孔介质底部温度分布均匀,热流密度方向基本垂直于边界.
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| 关 键 词： | 多孔吸液芯 达西定律 边界影响 惯性影响 |
| 文章编号： | 0253-231X(2007)Suppl.2-0021-04 |
| 修稿时间： | 2007年1月12日 |
ANALYSIS OF FLOW AND HEAT TRANSFER IN THE EVAPORATOR POROUS WICK STRUCTURE OF A FLAT HEAT PIPE |
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| HU Cong-Xiang,PENG Xiao-Feng.ANALYSIS OF FLOW AND HEAT TRANSFER IN THE EVAPORATOR POROUS WICK STRUCTURE OF A FLAT HEAT PIPE[J].Journal of Engineering Thermophysics,2007,28(Z2):21-24. |
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| Authors: | HU Cong-Xiang PENG Xiao-Feng |
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| Abstract: | With given pressure distribution,the present study analyzes the flow and heat transfer. The results shows that the boundary effects on the flow rate were more significant than inertia,and both boundary and inertia had few effects on fluid layer thickness and velocity distribution;the bottom of porous layer was at a quite uniform temperature,and the heat fluxes were almost normal to the solid boundary. |
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| Keywords: | porous wick structure Darcy's law boundary effect inertia effect |
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