Experimental study on heat transfer enhancement with water spraying in heat exchanger

DU Hong; XU Tongtong; DU Jiang

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Experimental study on heat transfer enhancement with water spraying in heat exchanger

Thermal Power Generation Vol. 42, Issue 10, Pages: 94-97(2013)

更新时间：2025-09-28

- Experimental study on heat transfer enhancement with water spraying in heat exchanger
- 作者机构：
  
  1. 西安恒瑞工程流体设备有限公司
  2. 西安交通大学动力工程多相流国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK172
- Published：2013
- 稿件说明：
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DU Hong, XU Tongtong, DU Jiang. Experimental study on heat transfer enhancement with water spraying in heat exchanger[J]. Thermal Power Generation, 2013, 42(10): 94-97.
DOI：

DU Hong, XU Tongtong, DU Jiang. Experimental study on heat transfer enhancement with water spraying in heat exchanger[J]. Thermal Power Generation, 2013, 42(10): 94-97. DOI：

摘要

通过实验研究了干、湿工况下空气冷却器单排管翅片管的传热和阻力特性。结果表明

在同样条件下加湿后阻力增加

风速越大阻力增加越多;加湿后由于表面的蒸发使换热系数随之增加。根据实验结果分析给出了加湿后空气冷却器的换热系数计算关联式

为室外空气冷却器的设计提供参考。

Abstract

The development of air-cooling technology effectively saves water resources.But it is largely influenced by the environmental temperature.So water spray system is applied to improve cooling capacity of the equipments and enhance heat exchange property of the air side heat exchanger.Against the single-row fin tube

the characteristics of heat transfer and flow resistance of the air cooler under dry and wet condition were experimentally investigated.Results showed that

under the same conditions

not only the flow resistance but also the heat transfer coefficient increased after the water was sprayed.According to the experimental data

expression of the heat transfer coefficient was obtained

providing technical support for design of the outdoor air cooler.

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