Air-side thermal hydraulic performance of an integrated fin and micro-channel heat exchanger

Air-side thermal hydraulic performance of an integrated fin and micro-channel heat exchanger
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集成翅片和微通道换热器的空气侧热工水力性能

DOI:
10.1016/j.enconman.2010.08.026
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发表时间:
2011-02
影响因子:
10.4
通讯作者:
J. Li
J. Li
中科院分区:
工程技术1区
文献类型:
--
作者:
W.J. Zhang;S.F. Wang;J. Li

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提出了一种集成翅片微通道换热器。针对11种不同的流动深度、翅片高度、翅片间距和翅片厚度的换热器样品,进行了一系列的试验,以确定它们对空气侧热工水力性能的影响。以科尔本因子j和范宁摩擦因子f为依据,研究了不同几何结构换热器的传热系数和压降随雷诺数的变化规律。导出了j因子和f因子的一般关联式,可分别预测96%和92%的实验数据,均方根误差分别为±10%和± 12%。比较了集成翅片、多肋翅片和波纹翅片的空气侧传热和流动特性。
An integrated fin and micro-channel heat exchanger has been proposed. For 11 heat exchanger samples with different flow depth, fin height, fin pitch and fin thickness, a series of tests were conducted to determine their effect on the air-side thermal hydraulic performance. The heat transfer coefficient and pressure drop for heat exchangers with different geometrical configurations were reported in terms of Colburn factor j and Fanning friction factor f, as functions of Reynolds number. The general correlations for j and f factors were derived and can predict 96% and 92% of the experimental data, within rms errors of ±10% and ±12%, respectively. The air-side heat transfer and flow characteristics of the integrated fin were compared with that of the multi-louver fin and the wavy fin.
DOI: 10.1115/1.3644004
发表时间: 1960-06
期刊: Journal of Applied Mechanics
影响因子: --
作者:
W. Kays;A. London;E. Eckert
通讯作者: W. Kays;A. London;E. Eckert
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