Thermofluid characteristics of frosted finned-tube heat exchangers

被引：51
|
作者：
Yan, WM [1 ]
Li, HY
Tsay, YL
机构：
[1] Huafan Univ, Dept Mechatron Engn, Taipei 223, Taiwan
[2] Natl Huwei Inst Technol, Dept Aeronaut Engn, Huwei 632, Yunlin, Taiwan
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2005年 / 48卷 / 15期
关键词：
D O I：
10.1016/j.ijheatmasstransfer.2005.02.018
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The performance of frosted finned-tube heat exchangers of different fin types is investigated by experiments in this paper. The effects of the air flow rate, the air relative humidity, the refrigerant temperature, and the fin type on the thermofluid characteristics of the heat exchangers are discussed. The time variations of the heat transfer rate, the overall heat transfer coefficient, and the pressure drop of the heat exchangers are presented. The heat transfer rate, the overall heat transfer coefficient, and the pressure drop for heat exchangers with re-direction louver fins are higher than those with flat plate fins and one-sided louver fins are. The amount of frost formation is the highest for heat exchangers with re-direction louver fins. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3073 / 3080
页数：8
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