开缝宽度对H型椭圆翅片管束换热及流动的影响

凌冬冬; 李永光; 马昕霞; 樊鹏远

###

DOI:10.3969/j.issn.1006-4729.2018.02.002

Journal of ShangHai University of Electric Power :2018,34(2):106-110

View/Add Comment Archive Advanced search HTML

←Previous | Next

Download full text

开缝宽度对H型椭圆翅片管束换热及流动的影响

凌冬冬, 李永光, 马昕霞, 樊鹏远

(上海电力学院能源与机械工程学院)

Influence of Slot Width on Heat Transfer and Flow of Htype Elliptical Finned Tubes

LING Dongdong, LI Yongguang, MA Xinxia, FAN Pengyuan

(School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

Abstract

Image-text

References

Similar literature

本文已被：浏览 1444次下载 1140次
Received:May 02, 2017

中文摘要: 以不同开缝宽度的H型翅片椭圆管束为研究对象，利用FLUENT软件对顺排H型翅片椭圆管束的传热特性和阻力特性进行了数值研究。研究表明，在速度小于8 m/s时，不开缝的翅片换热效果最好，但在速度较大时换热最差；开缝宽度为5 mm的翅片管束因为"气塞"，换热较差，动量损失率较大，实际生产应用中应尽量避免；开缝宽度为15 mm的翅片管束换热较好，动量损失率也较低。

中文关键词: 强化传热来流速度开缝宽度

Abstract:The numerical study on the heat transfer characteristics and resistance characteristics of the H-shaped finned elliptical tube bundles is carried out by FLUENT software.The study shows that when the velocity is less than 8 m/s,slot fins have the best heat transfer,but the heat transfer is greatest at higher speeds.Slot width of 5 mm fin tube bundle has poor heat transfer because of "air plug",and momentum loss rate is large,which should be avoided in the actual production applications.Slot width of 15 mm fin tube heat transfer is better and the momentum loss rate is also low.

keywords: heat transfer enhancement flow velocity width of slit

文章编号：20182002 中图分类号： 文献标志码：

基金项目:

Reference text:

Author Name	Affiliation	E-mail
LING Dongdong	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China	lingdong121@163.com
LI Yongguang	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
MA Xinxia	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
FAN Pengyuan	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China