Experimental study on enhancing convective heat transfer at outer asymmetrical finned tubes

WANG Yunlei; HE Guangyan; ZHANG Baosheng

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Experimental study on enhancing convective heat transfer at outer asymmetrical finned tubes

更新时间：2025-09-28

- Experimental study on enhancing convective heat transfer at outer asymmetrical finned tubes
- Thermal Power Generation Vol. 44, Issue 1, Pages: 34-38(2015)
- 作者机构：
  
  中国矿业大学电力工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK124;TK172
- Published：2015
- 稿件说明：
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WANG Yunlei, HE Guangyan, ZHANG Baosheng. Experimental study on enhancing convective heat transfer at outer asymmetrical finned tubes[J]. Thermal power generation, 2015, 44(1): 34-38.
DOI：

WANG Yunlei, HE Guangyan, ZHANG Baosheng. Experimental study on enhancing convective heat transfer at outer asymmetrical finned tubes[J]. Thermal power generation, 2015, 44(1): 34-38. DOI：

摘要

提出一种新型非对称翅片管式换热器

通过不同工况的实验

研究其传热过程和传热效果

并通过计算传热系数比较其与环状翅片管管束和光管管束的传热性能。结果表明:非对称翅片管对流体的扰动强于环状翅片管和光管;相同参数条件下

非对称翅片管换热器的换热效果优于环状翅片管和光管式换热器;采取相同面积的换热面

非对称翅片管换热器比环状翅片管换热器更加紧凑。

Abstract

A new kind of asymmetrical finned tube heat exchanger was designed.The heat transfer process and effect of the asymmetrical finned tube were experimentally studied under four working conditions.Moreover

its heat transfer performance was compared with that of the ring-fin tube and smooth tube

through the heat transfer coefficient calculation.The results show that

this asymmetrical finned tube does stronger disturbance to the flow than the ring-fin tube and smooth tube

it has better heat transfer effect than the other two tubes

and with the same heating surface area

it is more compact than the ring-fin tube.

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