Air-side heat transfer and friction characteristics of wavy fin-and-tube heat exchangers under dehumidifying conditions

LIU Jinping; DAI Shaobi; YE Liping

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Air-side heat transfer and friction characteristics of wavy fin-and-tube heat exchangers under dehumidifying conditions

更新时间：2025-12-10

- Air-side heat transfer and friction characteristics of wavy fin-and-tube heat exchangers under dehumidifying conditions
- CIESC Journal Issue 10, Pages: 2438-2445(2009)
- 作者机构：
  
  华南理工大学电力学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 October 2009，
  
  Published：05 October 2009
- 稿件说明：
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LIU Jinping, DAI Shaobi, YE Liping. Air-side heat transfer and friction characteristics of wavy fin-and-tube heat exchangers under dehumidifying conditions[J]. CIESC Journal, 2009, (10): 2438-2445.
DOI：

LIU Jinping, DAI Shaobi, YE Liping. Air-side heat transfer and friction characteristics of wavy fin-and-tube heat exchangers under dehumidifying conditions[J]. CIESC Journal, 2009, (10): 2438-2445. DOI：

摘要

研究了析湿工况下1、2排波纹翅片管换热器空气侧换热与压降特性，结果表明：管排数对空气侧换热特性的影响明显，2排管的换热因子要比1排管的换热因子大约60%，而管排数对空气侧摩擦因数影响则不明显;翅片效率随冷水入口温度的降低而增加，随入口风速的增加而快速降低;与其他学者的预测模型相比，换热因子偏小30％。

Abstract

The air-side heat transfer and friction characteristics of one-row and two-row wavy fin-and-tube heat exchanger under dehumidifying condition were studied experimentally.The results showed that the heat transfer factor was strongly related to the number of rows

and the heat transfer factor of tworow heat exchanger was 60% greater than that of onerow one.The effect of the number of rows on the friction factors could be negligible.Fin efficiency increased as inlet water temperature decreased

while it decreased as wind velocity increased.The experimental value of heat transfer factor was 30% lower than that predicted by the Pirompugd correlation .

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