| 用热力学第二定律优化对流换热过程 |
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| 引用本文： | 赵玉珍,华放.用热力学第二定律优化对流换热过程[J].哈尔滨工业大学学报,1992,24(1):34-39. |
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| 作者姓名： | 赵玉珍 华放 |
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| 作者单位： | 哈尔滨工业大学230教研室，哈尔滨工业大学动力工程系 副教授 |
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| 摘 要： | 本文用热力学第二定律分析对流换热过程找出对流换热过程的熵产及(火用)损失方程,求出(火用)损失为最小时的Re数,从而找到最佳的流体流速及换热设备的几何尺寸,为工程应用提供了依据。
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| 关 键 词： | 对流换热过程 热力学 第二定律 |
Optimizing Convective Heat Transfer Process with the Second Law of Thermodynamics |
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| Zhao Yuzheng Hua Fang.Optimizing Convective Heat Transfer Process with the Second Law of Thermodynamics[J].Journal of Harbin Institute of Technology,1992,24(1):34-39. |
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| Authors: | Zhao Yuzheng Hua Fang |
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| Affiliation: | Zhao Yuzheng Hua Fang |
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| Abstract: | In this paper, with the second law of thermodynamics, the convective heat transfer process has been analysed and the equations of entropy produce and energy loss in that process has been presented. The Re coefficient at minimum excrgy loss has been derived to obtain the optimum flowing velocity and geometric size of apparatus, therefore to offer a basis for engineering application |
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| Keywords: | Convective heat transfer procers entropy produce exergy loss |
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