| 单程叉流翅片管束式换热器的传热分析 |
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| 引用本文： | 蔡伟华,徐国强,陶智,丁水汀.单程叉流翅片管束式换热器的传热分析[J].航空动力学报,2002,17(4):464-468. |
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| 作者姓名： | 蔡伟华 徐国强 陶智 丁水汀 |
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| 作者单位： | 北京航空航天大学,动力系,北京,100083 |
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| 摘 要： | 采用对管外流体温度进行加权平均的方法 ,应用 Laplace变换和归纳法 ,对任意 n排单程叉流翅片管束式换热器的换热和温度分布进行了分析。得到了管内 ,管外流体的温度分布和换热器效率的简洁表达式。
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| 关 键 词： | 换热器 叉流 热效率 |
| 文章编号： | 1000-8055(2002)04-0464-05 |
| 收稿时间： | 2001/9/25 0:00:00 |
| 修稿时间： | 2001年9月25日 |
An Analysis of the Effectiveness of One Pass Cross-Flow Finned Tube Bundle Heat Exchangers |
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| CAI Wei-hu,XU Guo-qiang,TAO Zhi and DING Shui-ting.An Analysis of the Effectiveness of One Pass Cross-Flow Finned Tube Bundle Heat Exchangers[J].Journal of Aerospace Power,2002,17(4):464-468. |
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| Authors: | CAI Wei-hu XU Guo-qiang TAO Zhi and DING Shui-ting |
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| Institution: | Beijing University of Aeronautics and Astronautics,Beijing100083,China;Beijing University of Aeronautics and Astronautics,Beijing100083,China;Beijing University of Aeronautics and Astronautics,Beijing100083,China;Beijing University of Aeronautics and Astronautics,Beijing100083,China |
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| Abstract: | Using the method of weighted mean value of outside fluid temperature along with the Laplace transformation and recursive procedure,an analysis of the heat transfer and temperature fields of one pass finned tube bundle cross-flow heat exchanger has been carried out.The spatial distributions of the fluid temperature fields inside and outside the tubes are presented.It is shown that for such flow arrangement,the relation for heat exchanger effectiveness has a simple explicit form. |
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| Keywords: | heat exchanger cross-flow thermal effectiveness |
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