Heat Transfer of Boiling R134a and R142b on a 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

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

Updated：2026-01-06

- Heat Transfer of Boiling R134a and R142b on a Twisted Tube with Machine Processed Porous Surface
- Chinese Journal of Chemical Engineering Vol. 16, Issue 3, Pages: 492-496(2008)
- Affiliations：
  
  1. Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, South China University of Technology,Guangzhou,China,510640
  2. Zhuhai Gree Corporation,Zhuhai,China,519070
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2008
- Accepted：
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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.
DOI：

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. DOI：

摘要

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.

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