Heat Transfer of Boiling R134a and R142b on a Twisted Tube with Machine Processed Porous Surface

›› 2008, Vol. 16 ›› Issue (3): 492-496.

• • 上一篇

Heat Transfer of Boiling R134a and R142b on a Twisted Tube with Machine Processed Porous Surface

高学农¹, 尹辉斌¹, 黄玉优², 凌双梅¹, 张正国¹, 方玉堂¹

1. Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, South China University of Technology, Guangzhou 510640, China;
2. Zhuhai Gree Corporation, Zhuhai 519070, China

收稿日期:2007-09-25 修回日期:2008-04-10 出版日期:2008-06-28 发布日期:2008-06-28
通讯作者: GAO Xuenong,E-mail:cexngao@scut.edu.cn
基金资助:
Guangdong Provincial Scientific and Technological Development Program (2004B10201008)

Heat Transfer of Boiling R134a and R142b on a Twisted Tube with Machine Processed Porous Surface

GAO Xuenong¹, YIN Huibin¹, HUANG Yuyou², LING Shuangmei¹, ZHANG Zhengguo¹, FANG Yutang¹

1. Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, South China University of Technology, Guangzhou 510640, China;
2. Zhuhai Gree Corporation, Zhuhai 519070, China

Received:2007-09-25 Revised:2008-04-10 Online:2008-06-28 Published:2008-06-28
Supported by:
Guangdong Provincial Scientific and Technological Development Program (2004B10201008)

摘要/Abstract

摘要： The objective of this work was to investigate nucleate pool boiling heat transfer performance and mechanism of R134a and R142b on a twisted tube with machine processed porous surface(T-MPPS tube)as well as to determine its potential application to flooded refrigerant evaporators.In the experimental range,the boiling heat transfer coefficients of R134a on a T-MPPS tube were 1.8-2.0 times larger than those of R134a on a plain tube. In addition,the developed experimental correlations verified that the predictions of the heat transfer coefficients of boiling R134a and R142b on a T-MPPS tube at the experimental conditions were considerably accurate.

关键词: nucleate pool boiling, heat transfer enhancement, twisted tube with machine processed porous surface

Abstract: The objective of this work was to investigate nucleate pool boiling heat transfer performance and mechanism of R134a and R142b on a twisted tube with machine processed porous surface(T-MPPS tube)as well as to determine its potential application to flooded refrigerant evaporators.In the experimental range,the boiling heat transfer coefficients of R134a on a T-MPPS tube were 1.8-2.0 times larger than those of R134a on a plain tube. In addition,the developed experimental correlations verified that the predictions of the heat transfer coefficients of boiling R134a and R142b on a T-MPPS tube at the experimental conditions were considerably accurate.

Key words: nucleate pool boiling, heat transfer enhancement, twisted tube with machine processed porous surface

高学农, 尹辉斌, 黄玉优, 凌双梅, 张正国, 方玉堂. Heat Transfer of Boiling R134a and R142b on a Twisted Tube with Machine Processed Porous Surface[J]. , 2008, 16(3): 492-496.

GAO Xuenong, YIN Huibin, HUANG Yuyou, LING Shuangmei, ZHANG Zhengguo, FANG Yutang. Heat Transfer of Boiling R134a and R142b on a Twisted Tube with Machine Processed Porous Surface[J]. , 2008, 16(3): 492-496.

参考文献

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Heat Transfer of Boiling R134a and R142b on a Twisted Tube with Machine Processed Porous Surface

Heat Transfer of Boiling R134a and R142b on a Twisted Tube with Machine Processed Porous Surface

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