三种大管径翅管式换热器传热与阻力特性的试验研究

唐凌虹; 谢公南; 曾敏; 王海刚; 韩武涛; 王秋旺

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三种大管径翅管式换热器传热与阻力特性的试验研究

专题研究 | 更新时间：2025-12-08

- 三种大管径翅管式换热器传热与阻力特性的试验研究
- Experimental Investigation on Heat Transfer and Flow Friction Characteristics in Three Types of Plate Fin-and-Tube Heat Exchangers
- 西安交通大学学报 2007年41卷第5期页码：521-525
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
  
  : 2006-09-08. 作者简介: 唐凌虹(1979～),男,博士生;王秋旺(联系人),男,教授,博士生导师. 基金项目: 教育部“新世纪优秀人才支持计划”资助项目(NCET-04-0938);国家自然科学基金资助项目(50576080)
- DOI：
  中图分类号： TK124
- 网络首发：2007-05-10，
  
  纸质出版：2007
- 稿件说明：
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唐凌虹, 谢公南, 曾敏, 等. 三种大管径翅管式换热器传热与阻力特性的试验研究[J]. 西安交通大学学报, 2007,41(5):521-525.

唐凌虹, 谢公南, 曾敏, et al. Experimental Investigation on Heat Transfer and Flow Friction Characteristics in Three Types of Plate Fin-and-Tube Heat Exchangers[J]. 2007, 41(5): 521-525.
唐凌虹, 谢公南, 曾敏, 等. 三种大管径翅管式换热器传热与阻力特性的试验研究[J]. 西安交通大学学报, 2007,41(5):521-525. DOI：

唐凌虹, 谢公南, 曾敏, et al. Experimental Investigation on Heat Transfer and Flow Friction Characteristics in Three Types of Plate Fin-and-Tube Heat Exchangers[J]. 2007, 41(5): 521-525. DOI：

摘要

为考察不同翅片形式以及管排数对空气侧强化传热的影响

分别对9排和12排带平直、开缝、纵向涡3种翅片形式共6个翅片管换热器元件空气侧的传热及阻力性能进行了试验研究

发现开缝翅片管换热器的传热性能高于带纵向涡翅片管换热器和平直翅片管换热器

但阻力相应也增加

带纵向涡发生器的翅片传热性能略低于开缝翅片

但阻力却只比平直翅片稍大

这表明采用这种翅片形式可获得较好的综合性能.不同管排数的同一片型换热器的努塞尔数及阻力因子相差很小

可以认为与管排数无关.在试验的雷诺数范围内针对各个试件整理出了传热和阻力的经验关联式

可为相关的理论研究和工程应用提供参考.

Abstract

Air side heat transfer and friction characteristics in three nine-row and three twelve-row fin-and-tube heat exchanger cores with varied types of fin configurations are experimentally investigated. The test cores consist of three extended surfaces such as plain fins(PF)

slit fins(SF)and fins with longitudinal vortex generator(LVG). It is shown that SF offers higher heat transfer and flow friction than the other two fin surfaces. The heat transfer of LVG is slightly lower than that of SF while the corresponding flow friction is slightly larger than that of PF

and LVG in heat exchanger enables to perform better. The effects of number of tube rows on the same kind of fin surface are ignorable. The heat transfer and friction factor correlations for three fin surfaces are obtained in a wide range of Reynolds numbers for the further research and engineering applications.

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references

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