EXPERIMENTAL AND 3D NUMERICAL STUDY OF AIR SIDE HEAT TRANSFER AND PRESSURE DROP OF SLOTTED FIN SURFACE

机译：开缝翅片表面空气传热和压降的实验和3D数值研究

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Experimental and numerical investigation of air side heat transfer and fluid flow performance of a typical slotted fin surface with "X" arrangement of strips is presented. Three-dimensional numerical computation was made in which the tube configuration is simulated with step-wise approximation, and the fin efficiency is also calculated with conjugated computation. The numerical results are verified by the experimental data and the experimental correlation of friction factor and heat transfer coefficient are provided. The performances of the slotted and plain plate fin surfaces are compared. It is found that the slotted fin-and-tube heat transfer surfaces has excellent performance compared to the plain plate fin heat transfer surfaces. The numerical results are further analyzed with the field synergy principle.

机译：给出了带“ X”形排列的典型开缝翅片表面的空气侧传热和流体流动性能的实验和数值研究。进行了三维数值计算，其中，采用逐步逼近法模拟了管的配置，并且还通过共轭计算来计算翅片效率。实验结果验证了数值结果，并给出了摩擦系数与传热系数的实验关系式。比较开槽的和平的翅片表面的性能。发现开缝的翅片管传热表面与平板翅片传热表面相比具有优异的性能。利用场协同原理对数值结果进行了进一步分析。

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来源
《International conference on enhanced, compact and ultra-compact heat exchangers: Science, engineering and technology 2005》|2005年|70-77|共8页
会议地点 Whistler(CA)
作者
W.Q.Tao; Z.G.Qu; Y.L.He;
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作者单位

Xi'an Jiaotong University, Xi'an, Shaanxi, China;

Xi'an Jiaotong University, Xi'an, Shaanxi, China;

Xi'an Jiaotong University, Xi'an, Shaanxi, China;

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正文语种 eng
中图分类热交换及其设备;
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EXPERIMENTAL AND 3D NUMERICAL STUDY OF AIR SIDE HEAT TRANSFER AND PRESSURE DROP OF SLOTTED FIN SURFACE

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