| 流动蒸汽在正弦型纵槽管内凝结换热的实验研究 |
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| 引用本文： | 童正明,徐昂千. 流动蒸汽在正弦型纵槽管内凝结换热的实验研究[J]. 上海理工大学学报(社会科学版), 1990, 0(1) |
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| 作者姓名： | 童正明 徐昂千 |
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| 作者单位： | 上海机械学院动力工程学院(童正明)，上海机械学院动力工程学院(徐昂千) |
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| 摘 要： | 本文从实验的角度出发,对正弦型剖面的纵槽管进行了研究。找出了局部换热量与纵向坐标的关系。在拟合准则方程时,文中引进了一个新的特征参数L_c。并以此得到无量纲纵坐标z/L_c替代其他学者用实验段管长L来得到无量纲纵坐标z/L。且指出了原方法的不足之处。
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| 关 键 词： | 凝结 凝结换热 纵槽管 |
THE EXPERIMENT STUDY OF FLOWING STEAM CONDENSATION IN VERTICAL SINE-SHAPE FLUTED TUBE |
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| Tong Zhengming Xu Angqian. THE EXPERIMENT STUDY OF FLOWING STEAM CONDENSATION IN VERTICAL SINE-SHAPE FLUTED TUBE[J]. Journal of University of Shanghai For Science and Technilogy(Social Science), 1990, 0(1) |
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| Authors: | Tong Zhengming Xu Angqian |
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| Affiliation: | Tong Zhengming Xu Angqian |
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| Abstract: | An experiment study of heat transfer through condensation in vertical sine-shape fluted tube is made. The relationship of the local heat transfer and the vertical coordinate is discerned. When we derive the practical relationship, a new characteristic constant L_c is proposed. Then we use the L_c to display the new dimensionless vertical coordinate (z/L_c) to replace the original dimensionless vertical coodinate (z/L) obtained through the tube length used by other researchers. |
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| Keywords: | Condensation Condensation heat transfer vertical fluted tube |
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