文章基本信息

标题：Numerical Study on the Effect of Tube Rows on the Heat Transfer Characteristic of Dimpled Fin
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作者：Xuehong Wu ; Lihua Feng ; Dandan Liu 等
期刊名称：Advances in Mechanical Engineering
印刷版ISSN：1687-8140
电子版ISSN：1687-8140
出版年度：2014
卷号：2014
DOI：10.1155/2014/637052
出版社：Sage Publications Ltd.
摘要：The dimpled fin has excellent heat transfer performance and has attracted a lot of attention to apply on the fin and tube heat exchanger. A study presents to investigate the effects of number of tube rows on the air-side heat transfer characteristics of dimpled fin for velocity ranging from 1 to 3 m/s. The and are used to evaluate the heat transfer performance of the heat exchanger. The results show that the dimpled arrangement can change the mainstream direction, increase the disturbance, and enhance the heat transfer. With the increase of the number of tube rows, the average Nusselt number decreases and and increase gradually. Compared with the multipipe tube rows, the performance of two-row tube is better.