Air-side flow and heat transfer for an inclined offset strip fin-tube heat exchanger with grooves

被引：0
|
作者：
Bae, JH [1 ]
Park, MH [1 ]
Lee, JH [1 ]
Oh, MD [1 ]
机构：
[1] Korea Power Engn Co Inc, Power Engn Res Inst, Yongin Shi 449713, Kyunggi Do, South Korea
来源：
HEAT TRANSFER 1998, VOL 6: GENERAL PAPERS | 1998年
关键词：
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A numerical study has been performed to suggest the 1-row inclined offset strip fin-tube heat exchanger with grooves which has a similar performance to the 2-row plain offset strip fin-tube heat exchanger and to predict their air-side local flow and heat transfer characteristics. The results indicated that the reversed geometry of the main slit between the front half and the rear half of the heat exchanger caused more pressure drop than the identical one. In addition, the heat transfer rate of the 1-row A-type inclined offset strip fin-tube heat exchanger with grooves reached about 96%similar to 99% of the 2-row offset strip fin-tube heat exchanger, and the fan power representing the energy consumption rate was reduced to 90%similar to 99%.
引用
收藏
页码：179 / 184
页数：6
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