| 竖壁膜状凝结理论分析 |
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| 引用本文： | 范铭,高鹰,葛海燕. 竖壁膜状凝结理论分析[J]. 化工学报, 2000, 51(2): 278-281 |
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| 作者姓名： | 范铭 高鹰 葛海燕 |
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| 作者单位： | 东南大学动力工程系!南京210096,东南大学动力工程系!南京210096,东南大学动力工程系!南京210096 |
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| 摘 要： | 引言 膜状凝结是工程中最常见的,也是应用最广的凝结现象.
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| 关 键 词： | 膜状凝结 边界层 对流数 层流 |
THEORETICAL ANALYSIS OF FILM CONDENSATION ON A VERTICAL PLATE |
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| FanMing,GaoYing,GeHaiyan. THEORETICAL ANALYSIS OF FILM CONDENSATION ON A VERTICAL PLATE[J]. Journal of Chemical Industry and Engineering(China), 2000, 51(2): 278-281 |
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| Authors: | FanMing GaoYing GeHaiyan |
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| Abstract: | The laminar boundary layer theory is used to analyze the film condensation on a vertical plate. The calculated result is well consistent with the experiment and empirical relation of the laminar film condensation. A convection number E is presented,which shows the contribution of convection to heat-transfer in film condensation. When E is less than 1,the condensation region is controlled by conduction. When E is far less than 1,the region is called Nusselt region. When E is larger than 1,the region of condensation is controlled by convection. When E is much more than 1,Co_m is proportional to Re_L~1/3. |
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| Keywords: | film condensation boundary layer convection number laminar flow |
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